./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_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_spec8_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 eb8f08f8ba9fbcaa5eb5da3695b78ff747dcddff .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:38:49,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:38:49,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:38:49,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:38:49,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:38:49,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:38:49,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:38:49,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:38:49,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:38:49,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:38:49,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:38:49,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:38:49,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:38:49,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:38:49,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:38:49,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:38:49,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:38:49,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:38:49,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:38:49,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:38:49,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:38:49,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:38:49,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:38:49,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:38:49,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:38:49,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:38:49,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:38:49,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:38:49,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:38:49,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:38:49,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:38:49,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:38:49,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:38:49,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:38:49,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:38:49,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:38:49,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:38:49,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:38:49,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:38:49,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:38:49,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:38:49,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:38:49,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:38:49,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:38:49,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:38:49,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:38:49,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:38:49,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:38:49,921 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:38:49,921 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:38:49,921 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:38:49,921 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:38:49,922 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:38:49,922 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:38:49,922 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:38:49,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:38:49,923 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:38:49,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:38:49,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:38:49,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:38:49,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:38:49,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:38:49,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:38:49,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:38:49,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:38:49,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:38:49,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:38:49,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:38:49,926 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:38:49,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb8f08f8ba9fbcaa5eb5da3695b78ff747dcddff [2021-08-31 03:38:50,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:38:50,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:38:50,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:38:50,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:38:50,185 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:38:50,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2021-08-31 03:38:50,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36571e3a7/2475fbb435654b6eb55e0f4e0aa78a4b/FLAGaf13161e1 [2021-08-31 03:38:50,671 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:38:50,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2021-08-31 03:38:50,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36571e3a7/2475fbb435654b6eb55e0f4e0aa78a4b/FLAGaf13161e1 [2021-08-31 03:38:50,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36571e3a7/2475fbb435654b6eb55e0f4e0aa78a4b [2021-08-31 03:38:50,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:38:50,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:38:50,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:38:50,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:38:50,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:38:50,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:38:50" (1/1) ... [2021-08-31 03:38:50,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:50, skipping insertion in model container [2021-08-31 03:38:50,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:38:50" (1/1) ... [2021-08-31 03:38:50,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:38:50,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:38:51,089 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_spec8_productSimulator.cil.c[72946,72959] [2021-08-31 03:38:51,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:38:51,097 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:38:51,182 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_spec8_productSimulator.cil.c[72946,72959] [2021-08-31 03:38:51,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:38:51,208 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:38:51,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51 WrapperNode [2021-08-31 03:38:51,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:38:51,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:38:51,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:38:51,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:38:51,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:51,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:54,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:38:54,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:38:54,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:38:54,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:38:54,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:54,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:54,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:54,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:55,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:56,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:56,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:56,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:38:56,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:38:56,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:38:56,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:38:56,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (1/1) ... [2021-08-31 03:38:56,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:38:56,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:38:56,901 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 03:38:56,908 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 03:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-31 03:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:38:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:39:03,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:39:03,367 INFO L299 CfgBuilder]: Removed 35931 assume(true) statements. [2021-08-31 03:39:03,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:39:03 BoogieIcfgContainer [2021-08-31 03:39:03,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:39:03,394 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:39:03,394 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:39:03,396 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:39:03,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:39:03,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:38:50" (1/3) ... [2021-08-31 03:39:03,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1054990f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:39:03, skipping insertion in model container [2021-08-31 03:39:03,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:39:03,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:38:51" (2/3) ... [2021-08-31 03:39:03,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1054990f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:39:03, skipping insertion in model container [2021-08-31 03:39:03,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:39:03,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:39:03" (3/3) ... [2021-08-31 03:39:03,403 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2021-08-31 03:39:03,439 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:39:03,439 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:39:03,440 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:39:03,440 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:39:03,440 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:39:03,440 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:39:03,440 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:39:03,440 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:39:03,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 03:39:04,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-31 03:39:04,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:39:04,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:39:04,221 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 03:39:04,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:39:04,221 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:39:04,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 03:39:04,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-31 03:39:04,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:39:04,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:39:04,535 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 03:39:04,535 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:39:04,544 INFO L791 eck$LassoCheckResult]: Stem: 24207#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(115, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(17);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(17);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(17);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(12);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(18);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(13);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(34);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(22);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(44);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(44);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(11);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(19);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string163.base, #t~string163.offset, 1);call write~init~int(100, #t~string163.base, 1 + #t~string163.offset, 1);call write~init~int(10, #t~string163.base, 2 + #t~string163.offset, 1);call write~init~int(0, #t~string163.base, 3 + #t~string163.offset, 1);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string166.base, #t~string166.offset, 1);call write~init~int(100, #t~string166.base, 1 + #t~string166.offset, 1);call write~init~int(10, #t~string166.base, 2 + #t~string166.offset, 1);call write~init~int(0, #t~string166.base, 3 + #t~string166.offset, 1);~__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;~head~0.base, ~head~0.offset := 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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 21488#L-1true havoc main_#res;havoc main_#t~ret158, main_~retValue_acc~44, main_~tmp~26;havoc main_~retValue_acc~44;havoc main_~tmp~26;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 16181#L88true havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 2171#L61true select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 32893#L61-1true select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 1564#L61-2true select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret10;havoc select_features_#t~ret10;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 27045#L61-3true select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 20557#L61-4true select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 30375#L61-5true select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 29918#L61-6true select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 26870#L61-7true select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 4460#L80true havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 27852#L96true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 17935#L99true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0 := 0; 6987#L99-1true valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 22552#L156true main_#t~ret158 := valid_product_#res;main_~tmp~26 := main_#t~ret158;havoc main_#t~ret158; 33412#L3317true assume 0 != main_~tmp~26;havoc setup_#t~nondet153, setup_#t~nondet155, setup_#t~nondet157, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 3075#L3161true 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; 7354#L1885-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 15763#L1891-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string152.base, #t~string152.offset;havoc setup_#t~nondet153;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 1194#L3199true 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; 22748#L1885-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4741#L1891-11true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string154.base, #t~string154.offset;havoc setup_#t~nondet155;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 7534#L3237true 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; 31632#L1885-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4291#L1891-17true setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string156.base, #t~string156.offset;havoc setup_#t~nondet157; 24208#L3304true havoc test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, 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~1, 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~1;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; 11880#L403-1true [2021-08-31 03:39:04,546 INFO L793 eck$LassoCheckResult]: Loop: 11880#L403-1true assume !false; 1249#L212true assume test_~splverifierCounter~0 < 4; 27117#L213true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 26992#L219true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet16;havoc test_#t~nondet16; 18419#L223true assume 0 != test_~tmp___9~0; 22376#L224true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 7229#L224-1true test_~op1~0 := 1; 11880#L403-1true [2021-08-31 03:39:04,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:39:04,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-31 03:39:04,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:39:04,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295221190] [2021-08-31 03:39:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:39:04,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:39:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:39:04,824 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 03:39:04,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:39:04,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295221190] [2021-08-31 03:39:04,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295221190] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:39:04,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:39:04,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:39:04,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758672404] [2021-08-31 03:39:04,831 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:39:04,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:39:04,831 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-31 03:39:04,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:39:04,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47619102] [2021-08-31 03:39:04,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:39:04,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:39:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:39:04,840 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:39:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:39:04,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:39:04,906 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:39:04,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:39:04,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:39:04,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:39:04,907 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:39:04,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:04,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:39:04,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:39:04,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration1_Loop [2021-08-31 03:39:04,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:39:04,908 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:39:04,918 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 03:39:04,924 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 03:39:04,928 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 03:39:04,930 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 03:39:04,992 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:39:04,992 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:39:04,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:04,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:04,995 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 03:39:05,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:39:05,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:05,015 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 03:39:05,044 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 03:39:05,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:05,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:05,046 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 03:39:05,047 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 03:39:05,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:39:05,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:39:05,070 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:39:05,088 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 03:39:05,089 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:39:05,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:39:05,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:39:05,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:39:05,089 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:39:05,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:05,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:39:05,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:39:05,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration1_Loop [2021-08-31 03:39:05,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:39:05,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:39:05,090 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 03:39:05,096 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 03:39:05,101 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 03:39:05,104 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 03:39:05,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:39:05,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:39:05,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:05,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:05,167 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 03:39:05,168 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 03:39:05,170 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 03:39:05,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:39:05,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:39:05,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:39:05,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:39:05,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:39:05,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:39:05,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:39:05,192 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:39:05,198 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:39:05,198 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:39:05,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:39:05,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:39:05,200 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 03:39:05,202 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 03:39:05,205 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:39:05,205 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:39:05,206 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:39:05,206 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 03:39:05,225 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 03:39:05,226 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:39:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:39:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:39:05,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:39:05,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:39:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:39:05,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:39:05,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:39:05,536 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 03:39:05,559 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 03:39:05,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 03:39:06,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 03:41:18,551 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 173231 states and 278304 transitions. Complement of second has 7 states. [2021-08-31 03:41:18,553 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 03:41:18,556 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 03:41:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166884 transitions. [2021-08-31 03:41:18,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-31 03:41:18,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:18,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-31 03:41:18,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:18,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-31 03:41:18,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:18,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173231 states and 278304 transitions. [2021-08-31 03:41:19,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-31 03:41:19,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173231 states to 990 states and 1812 transitions. [2021-08-31 03:41:19,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-31 03:41:19,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-31 03:41:19,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-31 03:41:19,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:41:19,723 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-31 03:41:19,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-31 03:41:19,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-31 03:41:19,767 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 03:41:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-31 03:41:19,769 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-31 03:41:19,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:41:19,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 03:41:19,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 03:41:19,774 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 03:41:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:41:21,477 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-31 03:41:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 03:41:21,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-31 03:41:21,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-31 03:41:21,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-31 03:41:21,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-31 03:41:21,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-31 03:41:21,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-31 03:41:21,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:41:21,487 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-31 03:41:21,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-31 03:41:21,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-31 03:41:21,494 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 03:41:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-31 03:41:21,496 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-31 03:41:21,496 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-31 03:41:21,496 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:41:21,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-31 03:41:21,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-31 03:41:21,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:41:21,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:41:21,499 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 03:41:21,499 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:41:21,499 INFO L791 eck$LassoCheckResult]: Stem: 209802#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(115, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(17);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(17);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(17);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(12);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(18);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(13);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(34);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(22);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(44);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(44);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(11);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(19);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string163.base, #t~string163.offset, 1);call write~init~int(100, #t~string163.base, 1 + #t~string163.offset, 1);call write~init~int(10, #t~string163.base, 2 + #t~string163.offset, 1);call write~init~int(0, #t~string163.base, 3 + #t~string163.offset, 1);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string166.base, #t~string166.offset, 1);call write~init~int(100, #t~string166.base, 1 + #t~string166.offset, 1);call write~init~int(10, #t~string166.base, 2 + #t~string166.offset, 1);call write~init~int(0, #t~string166.base, 3 + #t~string166.offset, 1);~__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;~head~0.base, ~head~0.offset := 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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 209746#L-1 havoc main_#res;havoc main_#t~ret158, main_~retValue_acc~44, main_~tmp~26;havoc main_~retValue_acc~44;havoc main_~tmp~26;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209555#L88 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209493#L61 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209494#L61-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209442#L61-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret10;havoc select_features_#t~ret10;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209443#L61-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209425#L61-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209357#L61-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209358#L61-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209570#L61-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 209649#L80 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 209686#L96 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209604#L100 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209333#L105 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209489#L110 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209465#L115 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209472#L120 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209758#L125 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 209426#L99-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 209427#L156 main_#t~ret158 := valid_product_#res;main_~tmp~26 := main_#t~ret158;havoc main_#t~ret158; 209520#L3317 assume 0 != main_~tmp~26;havoc setup_#t~nondet153, setup_#t~nondet155, setup_#t~nondet157, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 209521#L3161 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; 209620#L1885-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209382#L1891-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string152.base, #t~string152.offset;havoc setup_#t~nondet153;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209705#L3199 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; 209470#L1885-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209393#L1891-11 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string154.base, #t~string154.offset;havoc setup_#t~nondet155;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209716#L3237 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; 209777#L1885-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209336#L1891-17 setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string156.base, #t~string156.offset;havoc setup_#t~nondet157; 209803#L3304 havoc test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, 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~1, 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~1;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; 209804#L403-1 assume !false; 209782#L212 [2021-08-31 03:41:21,500 INFO L793 eck$LassoCheckResult]: Loop: 209782#L212 assume test_~splverifierCounter~0 < 4; 209645#L213 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209646#L219 assume !(0 == test_~op1~0); 209485#L236 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet17;havoc test_#t~nondet17; 209359#L241 assume 0 != test_~tmp___8~0; 209361#L242 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209506#L242-1 test_~op2~0 := 1; 209402#L403-1 assume !false; 209782#L212 [2021-08-31 03:41:21,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:21,500 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-31 03:41:21,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:21,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576137423] [2021-08-31 03:41:21,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:21,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:21,560 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 03:41:21,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:41:21,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576137423] [2021-08-31 03:41:21,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576137423] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:41:21,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:41:21,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:41:21,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213722009] [2021-08-31 03:41:21,561 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:41:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:21,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-31 03:41:21,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:21,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095886322] [2021-08-31 03:41:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:21,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:21,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:21,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:41:21,616 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:41:21,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:41:21,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:41:21,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:41:21,616 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:41:21,616 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:21,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:41:21,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:41:21,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration2_Loop [2021-08-31 03:41:21,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:41:21,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:41:21,618 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 03:41:21,622 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 03:41:21,632 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 03:41:21,635 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 03:41:21,637 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 03:41:21,691 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:41:21,692 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:41:21,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:21,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:21,700 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 03:41:21,702 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 03:41:21,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:41:21,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:21,733 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:41:21,734 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0=5, ULTIMATE.start_test_#t~nondet17=5} Honda state: {ULTIMATE.start_test_~tmp___8~0=5, ULTIMATE.start_test_#t~nondet17=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:41:21,751 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 03:41:21,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:21,753 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 03:41:21,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:41:21,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:21,772 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 03:41:21,798 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 03:41:21,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:21,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:21,799 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 03:41:21,801 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 03:41:21,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:41:21,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:21,832 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:41:21,850 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 03:41:21,850 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:41:21,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:41:21,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:41:21,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:41:21,850 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:41:21,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:21,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:41:21,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:41:21,851 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration2_Loop [2021-08-31 03:41:21,851 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:41:21,851 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:41:21,851 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 03:41:21,855 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 03:41:21,857 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 03:41:21,859 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 03:41:21,860 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 03:41:21,927 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:41:21,927 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:41:21,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:21,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:21,940 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 03:41:21,972 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 03:41:21,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:41:21,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:41:21,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:41:21,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:41:21,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:41:21,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:41:21,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:41:21,984 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 03:41:22,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:41:22,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:41:22,014 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:41:22,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:22,015 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 03:41:22,016 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 03:41:22,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:41:22,017 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:41:22,017 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:41:22,018 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 03:41:22,038 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 03:41:22,038 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:41:22,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:22,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:41:22,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:41:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:22,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:41:22,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:41:22,262 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 03:41:22,263 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 03:41:22,263 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 03:41:23,833 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 03:41:23,833 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 03:41:23,834 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 03:41:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-31 03:41:23,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-31 03:41:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:23,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-31 03:41:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:23,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-31 03:41:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:23,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-31 03:41:23,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-31 03:41:23,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-31 03:41:23,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-31 03:41:23,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-31 03:41:23,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-31 03:41:23,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:41:23,853 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-31 03:41:23,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-31 03:41:23,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-31 03:41:23,873 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 03:41:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-31 03:41:23,875 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-31 03:41:23,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:41:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:41:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:41:23,877 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 03:41:24,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:41:24,644 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-08-31 03:41:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:41:24,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-08-31 03:41:24,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-31 03:41:24,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-31 03:41:24,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-08-31 03:41:24,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-08-31 03:41:24,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-08-31 03:41:24,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:41:24,656 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-31 03:41:24,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-08-31 03:41:24,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-08-31 03:41:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8209817131857555) internal successors, (1892), 1038 states have internal predecessors, (1892), 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 03:41:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-31 03:41:24,666 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-31 03:41:24,667 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-31 03:41:24,667 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:41:24,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-08-31 03:41:24,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-31 03:41:24,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:41:24,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:41:24,671 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, 1] [2021-08-31 03:41:24,671 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:41:24,672 INFO L791 eck$LassoCheckResult]: Stem: 214623#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(115, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(17);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(17);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(17);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(12);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(10);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(18);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(13);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(34);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(22);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(44);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(44);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(11);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(19);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string163.base, #t~string163.offset, 1);call write~init~int(100, #t~string163.base, 1 + #t~string163.offset, 1);call write~init~int(10, #t~string163.base, 2 + #t~string163.offset, 1);call write~init~int(0, #t~string163.base, 3 + #t~string163.offset, 1);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string166.base, #t~string166.offset, 1);call write~init~int(100, #t~string166.base, 1 + #t~string166.offset, 1);call write~init~int(10, #t~string166.base, 2 + #t~string166.offset, 1);call write~init~int(0, #t~string166.base, 3 + #t~string166.offset, 1);~__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;~head~0.base, ~head~0.offset := 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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 214541#L-1 havoc main_#res;havoc main_#t~ret158, main_~retValue_acc~44, main_~tmp~26;havoc main_~retValue_acc~44;havoc main_~tmp~26;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214342#L88 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214280#L61 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214281#L61-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214222#L61-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret10;havoc select_features_#t~ret10;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214223#L61-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214210#L61-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214139#L61-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214140#L61-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214360#L61-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 214440#L80 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 214474#L96 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214388#L99 assume 0 != ~__SELECTED_FEATURE_Decrypt~0; 214389#L100 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214119#L105 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214403#L109 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214276#L110 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214250#L115 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214259#L120 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214555#L125 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 214211#L99-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 214212#L156 main_#t~ret158 := valid_product_#res;main_~tmp~26 := main_#t~ret158;havoc main_#t~ret158; 214301#L3317 assume 0 != main_~tmp~26;havoc setup_#t~nondet153, setup_#t~nondet155, setup_#t~nondet157, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 214302#L3161 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; 214410#L1885-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214167#L1891-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string152.base, #t~string152.offset;havoc setup_#t~nondet153;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214498#L3199 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; 214257#L1885-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214178#L1891-11 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string154.base, #t~string154.offset;havoc setup_#t~nondet155;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214509#L3237 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; 214578#L1885-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214122#L1891-17 setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string156.base, #t~string156.offset;havoc setup_#t~nondet157; 214624#L3304 havoc test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, 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~1, 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~1;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; 214625#L403-1 assume !false; 214641#L212 assume test_~splverifierCounter~0 < 4; 214436#L213 [2021-08-31 03:41:24,676 INFO L793 eck$LassoCheckResult]: Loop: 214436#L213 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214437#L219 assume !(0 == test_~op1~0); 214270#L236 assume !(0 == test_~op2~0); 214147#L254 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet18;havoc test_#t~nondet18; 214253#L259 assume 0 != test_~tmp___7~0; 214574#L260 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214205#L260-1 test_~op3~0 := 1; 214187#L403-1 assume !false; 214614#L212 assume test_~splverifierCounter~0 < 4; 214436#L213 [2021-08-31 03:41:24,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:24,676 INFO L82 PathProgramCache]: Analyzing trace with hash -307546040, now seen corresponding path program 1 times [2021-08-31 03:41:24,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:24,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067592076] [2021-08-31 03:41:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:24,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:24,733 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 03:41:24,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:41:24,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067592076] [2021-08-31 03:41:24,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067592076] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:41:24,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:41:24,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:41:24,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634394721] [2021-08-31 03:41:24,734 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:41:24,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:24,734 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-31 03:41:24,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:24,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192403490] [2021-08-31 03:41:24,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:24,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:24,739 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:24,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:41:24,788 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:41:24,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:41:24,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:41:24,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:41:24,788 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:41:24,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:24,788 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:41:24,788 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:41:24,788 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration3_Loop [2021-08-31 03:41:24,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:41:24,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:41:24,789 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 03:41:24,791 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 03:41:24,795 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 03:41:24,796 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 03:41:24,800 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 03:41:24,802 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 03:41:24,857 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:41:24,857 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:41:24,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:24,861 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 03:41:24,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:41:24,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:24,879 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 03:41:24,892 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:41:24,892 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 03:41:24,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 03:41:24,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:24,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:24,912 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 03:41:24,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:41:24,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:24,939 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 03:41:24,940 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:41:24,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet18=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet18=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:41:24,957 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 03:41:24,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:24,962 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 03:41:24,962 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 03:41:24,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:41:24,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:24,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:41:24,974 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 03:41:24,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 03:41:24,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:24,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:24,994 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 03:41:24,997 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 03:41:24,999 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:41:24,999 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:25,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-08-31 03:41:25,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:25,025 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 03:41:25,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:41:25,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:41:25,060 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 03:41:25,101 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:41:25,107 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 03:41:25,107 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:41:25,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:41:25,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:41:25,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:41:25,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:41:25,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:41:25,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:41:25,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration3_Loop [2021-08-31 03:41:25,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:41:25,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:41:25,108 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 03:41:25,112 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 03:41:25,114 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 03:41:25,117 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 03:41:25,120 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 03:41:25,122 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 03:41:25,176 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:41:25,176 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:41:25,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:25,177 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 03:41:25,178 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 03:41:25,179 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 03:41:25,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:41:25,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:41:25,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:41:25,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:41:25,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:41:25,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:41:25,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:41:25,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:41:25,205 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 03:41:25,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:25,209 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 03:41:25,210 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 03:41:25,211 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 03:41:25,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:41:25,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:41:25,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:41:25,217 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 03:41:25,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:41:25,218 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 03:41:25,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:41:25,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:41:25,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-08-31 03:41:25,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:25,246 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 03:41:25,247 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 03:41:25,247 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 03:41:25,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:41:25,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:41:25,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:41:25,253 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 03:41:25,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:41:25,255 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 03:41:25,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:41:25,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:41:25,295 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 03:41:25,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:25,296 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 03:41:25,296 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 03:41:25,298 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 03:41:25,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:41:25,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:41:25,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:41:25,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:41:25,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:41:25,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:41:25,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:41:25,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:41:25,325 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:41:25,325 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:41:25,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:25,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:25,326 INFO L229 MonitoredProcess]: Starting monitored process 20 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 03:41:25,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:41:25,331 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:41:25,331 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:41:25,332 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 03:41:25,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 03:41:25,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-31 03:41:25,347 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:41:25,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:25,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:41:25,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:41:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:25,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:41:25,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:41:25,566 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 03:41:25,567 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 03:41:25,567 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 03:41:26,552 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 4083 transitions. Complement of second has 4 states. [2021-08-31 03:41:26,552 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 03:41:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 03:41:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-08-31 03:41:26,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-08-31 03:41:26,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:26,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-08-31 03:41:26,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:26,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-08-31 03:41:26,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:41:26,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-08-31 03:41:26,559 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:41:26,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-08-31 03:41:26,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:41:26,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:41:26,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:41:26,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:41:26,563 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:41:26,563 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:41:26,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:41:26,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:41:26,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:41:26,564 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 03:41:26,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:41:26,565 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-31 03:41:26,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 03:41:26,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-31 03:41:26,566 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:41:26,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-31 03:41:26,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:41:26,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:41:26,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:41:26,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:41:26,566 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:41:26,566 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:41:26,566 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:41:26,566 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 03:41:26,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 03:41:26,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:41:26,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 03:41:26,568 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 03:41:26,572 INFO L158 Benchmark]: Toolchain (without parser) took 155867.08ms. Allocated memory was 54.5MB in the beginning and 10.9GB in the end (delta: 10.8GB). Free memory was 28.6MB in the beginning and 8.7GB in the end (delta: -8.7GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2021-08-31 03:41:26,575 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:41:26,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.41ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 28.4MB in the beginning and 37.6MB in the end (delta: -9.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-08-31 03:41:26,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 2936.70ms. Allocated memory was 69.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 37.6MB in the beginning and 751.1MB in the end (delta: -713.5MB). Peak memory consumption was 562.7MB. Max. memory is 16.1GB. [2021-08-31 03:41:26,576 INFO L158 Benchmark]: Boogie Preprocessor took 2725.79ms. Allocated memory was 1.2GB in the beginning and 3.6GB in the end (delta: 2.4GB). Free memory was 751.1MB in the beginning and 3.0GB in the end (delta: -2.2GB). Peak memory consumption was 420.5MB. Max. memory is 16.1GB. [2021-08-31 03:41:26,578 INFO L158 Benchmark]: RCFGBuilder took 6516.15ms. Allocated memory was 3.6GB in the beginning and 9.7GB in the end (delta: 6.1GB). Free memory was 3.0GB in the beginning and 8.4GB in the end (delta: -5.5GB). Peak memory consumption was 707.8MB. Max. memory is 16.1GB. [2021-08-31 03:41:26,580 INFO L158 Benchmark]: BuchiAutomizer took 143176.88ms. Allocated memory was 9.7GB in the beginning and 10.9GB in the end (delta: 1.2GB). Free memory was 8.4GB in the beginning and 8.7GB in the end (delta: -247.5MB). Peak memory consumption was 963.6MB. Max. memory is 16.1GB. [2021-08-31 03:41:26,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.41ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 28.4MB in the beginning and 37.6MB in the end (delta: -9.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2936.70ms. Allocated memory was 69.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 37.6MB in the beginning and 751.1MB in the end (delta: -713.5MB). Peak memory consumption was 562.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2725.79ms. Allocated memory was 1.2GB in the beginning and 3.6GB in the end (delta: 2.4GB). Free memory was 751.1MB in the beginning and 3.0GB in the end (delta: -2.2GB). Peak memory consumption was 420.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6516.15ms. Allocated memory was 3.6GB in the beginning and 9.7GB in the end (delta: 6.1GB). Free memory was 3.0GB in the beginning and 8.4GB in the end (delta: -5.5GB). Peak memory consumption was 707.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 143176.88ms. Allocated memory was 9.7GB in the beginning and 10.9GB in the end (delta: 1.2GB). Free memory was 8.4GB in the beginning and 8.7GB in the end (delta: -247.5MB). Peak memory consumption was 963.6MB. 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 03:41:26,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 03:41:26,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-31 03:41:27,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...