./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00c9e1a099c677823479bd4f594077c4ede4cb4c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:48:52,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:48:52,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:48:52,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:48:52,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:48:52,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:48:52,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:48:52,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:48:52,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:48:52,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:48:52,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:48:52,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:48:52,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:48:52,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:48:52,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:48:52,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:48:52,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:48:52,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:48:52,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:48:52,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:48:52,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:48:52,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:48:52,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:48:52,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:48:52,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:48:52,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:48:52,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:48:52,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:48:52,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:48:52,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:48:52,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:48:52,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:48:52,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:48:52,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:48:52,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:48:52,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:48:52,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:48:52,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:48:52,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:48:52,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:48:52,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:48:52,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:48:52,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:48:52,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:48:52,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:48:52,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:48:52,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:48:52,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:48:52,998 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:48:52,998 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:48:52,999 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:48:52,999 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:48:52,999 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:48:52,999 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:48:52,999 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:48:53,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:48:53,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:48:53,000 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:48:53,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:48:53,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:48:53,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:48:53,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:48:53,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:48:53,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:48:53,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:48:53,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:48:53,005 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:48:53,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:48:53,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:48:53,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:48:53,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:48:53,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:48:53,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:48:53,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:48:53,008 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:48:53,008 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00c9e1a099c677823479bd4f594077c4ede4cb4c [2021-08-27 15:48:53,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:48:53,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:48:53,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:48:53,238 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:48:53,238 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:48:53,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-08-27 15:48:53,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ccd997c/6135f280223640e4b40a27d1df7f8b6c/FLAG0bfe9a165 [2021-08-27 15:48:53,825 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:48:53,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-08-27 15:48:53,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ccd997c/6135f280223640e4b40a27d1df7f8b6c/FLAG0bfe9a165 [2021-08-27 15:48:54,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ccd997c/6135f280223640e4b40a27d1df7f8b6c [2021-08-27 15:48:54,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:48:54,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:48:54,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:48:54,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:48:54,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:48:54,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:54,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b91c927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54, skipping insertion in model container [2021-08-27 15:48:54,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:54,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:48:54,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:48:54,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[10913,10926] [2021-08-27 15:48:54,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:48:54,606 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:48:54,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[10913,10926] [2021-08-27 15:48:54,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:48:54,719 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:48:54,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54 WrapperNode [2021-08-27 15:48:54,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:48:54,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:48:54,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:48:54,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:48:54,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:54,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:58,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:48:58,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:48:58,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:48:58,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:48:58,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:58,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:58,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:48:58,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:49:00,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:49:00,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:49:01,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:49:01,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:49:01,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:49:01,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:49:01,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:49:01,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (1/1) ... [2021-08-27 15:49:01,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:01,569 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) [2021-08-27 15:49:01,590 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 [2021-08-27 15:49:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 15:49:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:49:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:49:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:49:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:49:46,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:49:46,410 INFO L299 CfgBuilder]: Removed 40731 assume(true) statements. [2021-08-27 15:49:46,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:49:46 BoogieIcfgContainer [2021-08-27 15:49:46,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:49:46,447 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:49:46,447 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:49:46,450 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:49:46,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:49:46,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:48:54" (1/3) ... [2021-08-27 15:49:46,452 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69e03e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:49:46, skipping insertion in model container [2021-08-27 15:49:46,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:49:46,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:48:54" (2/3) ... [2021-08-27 15:49:46,452 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69e03e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:49:46, skipping insertion in model container [2021-08-27 15:49:46,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:49:46,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:49:46" (3/3) ... [2021-08-27 15:49:46,453 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2021-08-27 15:49:46,495 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:49:46,495 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:49:46,495 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:49:46,495 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:49:46,495 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:49:46,496 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:49:46,496 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:49:46,496 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:49:46,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:47,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:49:47,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:49:47,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:49:47,346 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] [2021-08-27 15:49:47,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:49:47,347 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:49:47,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:47,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:49:47,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:49:47,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:49:47,723 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] [2021-08-27 15:49:47,723 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:49:47,732 INFO L791 eck$LassoCheckResult]: Stem: 31548#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 27945#L-1true havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 13937#L481true havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 35694#L454true select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 18040#L454-1true select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 14839#L454-2true select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 6777#L454-3true select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 31863#L454-4true select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 4211#L454-5true select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 13524#L454-6true select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 2235#L454-7true select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 40227#L473true havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 33293#L489true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 10434#L492true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~3 := 0; 44185#L492-1true valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 39139#L549true main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 39020#L3107true assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 28589#L2951true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 15462#L1617-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 35778#L1623-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 20808#L2989true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 690#L1617-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 30276#L1623-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 17916#L3027true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 24353#L1617-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3547#L1623-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 30175#L3094true havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 44164#L1876-1true [2021-08-27 15:49:47,732 INFO L793 eck$LassoCheckResult]: Loop: 44164#L1876-1true assume !false; 13435#L1685true assume test_~splverifierCounter~0 < 4; 12922#L1686true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5936#L1692true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet55;havoc test_#t~nondet55; 8038#L1696true assume 0 != test_~tmp___9~0; 32165#L1697true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 20140#L1697-1true test_~op1~0 := 1; 44164#L1876-1true [2021-08-27 15:49:47,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:47,737 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-27 15:49:47,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:49:47,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003049313] [2021-08-27 15:49:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:49:47,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:49:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:49:47,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:49:47,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003049313] [2021-08-27 15:49:47,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003049313] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:49:47,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:49:47,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:49:47,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824922484] [2021-08-27 15:49:47,990 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:49:47,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:47,991 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-27 15:49:47,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:49:47,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964942086] [2021-08-27 15:49:47,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:49:47,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:49:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:49:47,998 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:49:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:49:48,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:49:48,061 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:49:48,061 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:49:48,061 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:49:48,061 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:49:48,062 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:49:48,062 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:48,062 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:49:48,062 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:49:48,062 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:49:48,062 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:49:48,062 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:49:48,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:49:48,152 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:49:48,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:48,155 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) [2021-08-27 15:49:48,171 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 [2021-08-27 15:49:48,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:49:48,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:48,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 15:49:48,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:48,216 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) [2021-08-27 15:49:48,217 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 [2021-08-27 15:49:48,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:49:48,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:48,250 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:49:48,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-27 15:49:48,265 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:49:48,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:49:48,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:49:48,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:49:48,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:49:48,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:48,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:49:48,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:49:48,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:49:48,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:49:48,266 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:49:48,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:48,335 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:49:48,339 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:49:48,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:48,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:48,348 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) [2021-08-27 15:49:48,349 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 [2021-08-27 15:49:48,351 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 [2021-08-27 15:49:48,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:49:48,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:49:48,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:49:48,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:49:48,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:49:48,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:49:48,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:49:48,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:49:48,392 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:49:48,393 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:49:48,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:48,414 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) [2021-08-27 15:49:48,439 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:49:48,439 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:49:48,440 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:49:48,440 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-08-27 15:49:48,440 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 [2021-08-27 15:49:48,457 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 [2021-08-27 15:49:48,459 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:49:48,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:48,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:49:48,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:49:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:48,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:49:48,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:49:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:49:48,835 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 [2021-08-27 15:49:48,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:49,792 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 [2021-08-27 15:49:53,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 44692 states, 44691 states have (on average 1.6403078919693004) internal successors, (73307), 44691 states have internal predecessors, (73307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 222831 states and 364384 transitions. Complement of second has 7 states. [2021-08-27 15:49:53,412 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 [2021-08-27 15:49:53,413 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) [2021-08-27 15:49:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219108 transitions. [2021-08-27 15:49:53,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-27 15:49:53,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:53,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-27 15:49:53,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:53,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-27 15:49:53,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:53,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222831 states and 364384 transitions. [2021-08-27 15:49:54,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-27 15:49:54,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222831 states to 990 states and 1812 transitions. [2021-08-27 15:49:54,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-27 15:49:54,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-27 15:49:54,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-27 15:49:54,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:49:54,654 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-27 15:49:54,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-27 15:49:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-27 15:49:54,699 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) [2021-08-27 15:49:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-27 15:49:54,700 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-27 15:49:54,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:49:54,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:49:54,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:49:54,704 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) [2021-08-27 15:49:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:49:54,747 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-27 15:49:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:49:54,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-27 15:49:54,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:49:54,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-27 15:49:54,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-27 15:49:54,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-27 15:49:54,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-27 15:49:54,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:49:54,752 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:49:54,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-27 15:49:54,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-27 15:49:54,767 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) [2021-08-27 15:49:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-27 15:49:54,768 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:49:54,769 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:49:54,769 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:49:54,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-27 15:49:54,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:49:54,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:49:54,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:49:54,773 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] [2021-08-27 15:49:54,773 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:49:54,773 INFO L791 eck$LassoCheckResult]: Stem: 269324#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 269262#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 269240#L481 havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268790#L454 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268791#L454-1 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268859#L454-2 select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 268860#L454-3 select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269044#L454-4 select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269260#L454-5 select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269156#L454-6 select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269135#L454-7 select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 269136#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 269163#L489 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 269225#L493 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 269061#L498 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 268932#L503 assume 0 == ~__SELECTED_FEATURE_Sign~0; 268897#L508 assume 0 == ~__SELECTED_FEATURE_Verify~0; 268898#L513 assume 0 == ~__SELECTED_FEATURE_Sign~0; 268818#L518 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 268819#L492-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 268947#L549 main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 268948#L3107 assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 269144#L2951 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269145#L1617-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269018#L1623-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 269019#L2989 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 268771#L1617-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 268772#L1623-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 268848#L3027 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269078#L1617-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 268865#L1623-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 269296#L3094 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 269297#L1876-1 assume !false; 268998#L1685 [2021-08-27 15:49:54,774 INFO L793 eck$LassoCheckResult]: Loop: 268998#L1685 assume test_~splverifierCounter~0 < 4; 268999#L1686 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 269268#L1692 assume !(0 == test_~op1~0); 268908#L1709 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet56;havoc test_#t~nondet56; 269093#L1714 assume 0 != test_~tmp___8~0; 268895#L1715 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 268872#L1715-1 test_~op2~0 := 1; 268828#L1876-1 assume !false; 268998#L1685 [2021-08-27 15:49:54,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:54,774 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-27 15:49:54,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:49:54,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613042095] [2021-08-27 15:49:54,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:49:54,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:49:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:49:54,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:49:54,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613042095] [2021-08-27 15:49:54,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613042095] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:49:54,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:49:54,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:49:54,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256664509] [2021-08-27 15:49:54,863 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:49:54,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:54,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-27 15:49:54,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:49:54,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293312142] [2021-08-27 15:49:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:49:54,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:49:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:49:54,869 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:49:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:49:54,877 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:49:54,916 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:49:54,916 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:49:54,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:49:54,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:49:54,917 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:49:54,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:54,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:49:54,917 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:49:54,917 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:49:54,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:49:54,918 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:49:54,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:54,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:54,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:54,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:54,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:54,993 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:49:54,993 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:49:54,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:54,994 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) [2021-08-27 15:49:54,995 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 [2021-08-27 15:49:54,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:49:54,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:55,037 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 [2021-08-27 15:49:55,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:55,039 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) [2021-08-27 15:49:55,040 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 [2021-08-27 15:49:55,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:49:55,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:55,063 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:49:55,080 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 [2021-08-27 15:49:55,080 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:49:55,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:49:55,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:49:55,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:49:55,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:49:55,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:55,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:49:55,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:49:55,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:49:55,081 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:49:55,081 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:49:55,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:55,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:55,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:55,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:55,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:55,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:49:55,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:49:55,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:55,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:55,149 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) [2021-08-27 15:49:55,163 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 [2021-08-27 15:49:55,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:49:55,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:49:55,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:49:55,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:49:55,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:49:55,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:49:55,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:49:55,174 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 [2021-08-27 15:49:55,188 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:49:55,191 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:49:55,191 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:49:55,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:55,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:55,192 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) [2021-08-27 15:49:55,193 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 [2021-08-27 15:49:55,194 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:49:55,194 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:49:55,195 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:49:55,195 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-08-27 15:49:55,217 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 [2021-08-27 15:49:55,217 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:49:55,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:55,485 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 [2021-08-27 15:49:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:55,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:49:55,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:49:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:55,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:49:55,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:49:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:49:55,694 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 [2021-08-27 15:49:55,694 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) [2021-08-27 15:49:55,778 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. [2021-08-27 15:49:55,779 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 [2021-08-27 15:49:55,779 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) [2021-08-27 15:49:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-27 15:49:55,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-27 15:49:55,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:55,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-27 15:49:55,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:55,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-27 15:49:55,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:55,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-27 15:49:55,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-27 15:49:55,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-27 15:49:55,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-27 15:49:55,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-27 15:49:55,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-27 15:49:55,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:49:55,797 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-27 15:49:55,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-27 15:49:55,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-27 15:49:55,821 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) [2021-08-27 15:49:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-27 15:49:55,823 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-27 15:49:55,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:49:55,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:49:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:49:55,825 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) [2021-08-27 15:49:56,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:49:56,087 INFO L93 Difference]: Finished difference Result 1039 states and 1893 transitions. [2021-08-27 15:49:56,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:49:56,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1893 transitions. [2021-08-27 15:49:56,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:49:56,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1893 transitions. [2021-08-27 15:49:56,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-08-27 15:49:56,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-08-27 15:49:56,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1893 transitions. [2021-08-27 15:49:56,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:49:56,094 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2021-08-27 15:49:56,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1893 transitions. [2021-08-27 15:49:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-08-27 15:49:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.821944177093359) internal successors, (1893), 1038 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1893 transitions. [2021-08-27 15:49:56,106 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2021-08-27 15:49:56,106 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2021-08-27 15:49:56,106 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:49:56,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1893 transitions. [2021-08-27 15:49:56,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:49:56,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:49:56,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:49:56,110 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:49:56,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:49:56,110 INFO L791 eck$LassoCheckResult]: Stem: 274130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 274050#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 274025#L481 havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273570#L454 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273571#L454-1 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273646#L454-2 select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273647#L454-3 select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273824#L454-4 select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274049#L454-5 select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273941#L454-6 select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273920#L454-7 select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 273921#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 273948#L489 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 274009#L493 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 273842#L498 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 273713#L503 assume 0 == ~__SELECTED_FEATURE_Sign~0; 273680#L508 assume !(0 == ~__SELECTED_FEATURE_Verify~0); 273681#L512 assume 0 != ~__SELECTED_FEATURE_Sign~0; 273890#L513 assume 0 == ~__SELECTED_FEATURE_Sign~0; 273600#L518 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 273601#L492-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 273726#L549 main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 273727#L3107 assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 273929#L2951 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 273930#L1617-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273794#L1623-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 273795#L2989 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 273557#L1617-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273558#L1623-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 273635#L3027 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 273859#L1617-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273652#L1623-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 274097#L3094 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 274098#L1876-1 assume !false; 274191#L1685 assume test_~splverifierCounter~0 < 4; 274062#L1686 [2021-08-27 15:49:56,111 INFO L793 eck$LassoCheckResult]: Loop: 274062#L1686 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 274063#L1692 assume !(0 == test_~op1~0); 273690#L1709 assume !(0 == test_~op2~0); 273860#L1727 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet57;havoc test_#t~nondet57; 273861#L1732 assume 0 != test_~tmp___7~0; 273594#L1733 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 273596#L1733-1 test_~op3~0 := 1; 273614#L1876-1 assume !false; 274051#L1685 assume test_~splverifierCounter~0 < 4; 274062#L1686 [2021-08-27 15:49:56,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:56,111 INFO L82 PathProgramCache]: Analyzing trace with hash -274677724, now seen corresponding path program 1 times [2021-08-27 15:49:56,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:49:56,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876932339] [2021-08-27 15:49:56,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:49:56,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:49:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:49:56,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:49:56,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876932339] [2021-08-27 15:49:56,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876932339] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:49:56,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:49:56,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:49:56,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198156594] [2021-08-27 15:49:56,192 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:49:56,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:56,192 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-27 15:49:56,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:49:56,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666284621] [2021-08-27 15:49:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:49:56,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:49:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:49:56,201 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:49:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:49:56,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:49:56,252 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:49:56,253 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:49:56,253 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:49:56,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:49:56,253 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:49:56,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:49:56,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:49:56,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:49:56,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:49:56,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:49:56,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,323 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:49:56,323 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:49:56,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,337 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) [2021-08-27 15:49:56,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:49:56,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:56,354 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 [2021-08-27 15:49:56,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:49:56,361 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: [] [2021-08-27 15:49:56,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 15:49:56,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,385 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) [2021-08-27 15:49:56,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:49:56,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:56,418 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 [2021-08-27 15:49:56,425 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:49:56,425 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet57=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet57=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:49:56,443 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 [2021-08-27 15:49:56,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,444 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) [2021-08-27 15:49:56,447 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 [2021-08-27 15:49:56,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:49:56,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:56,462 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:49:56,462 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: [] [2021-08-27 15:49:56,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 15:49:56,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,489 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) [2021-08-27 15:49:56,498 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 [2021-08-27 15:49:56,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:49:56,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:56,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-27 15:49:56,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,522 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) [2021-08-27 15:49:56,522 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 [2021-08-27 15:49:56,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:49:56,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:49:56,587 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:49:56,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 15:49:56,590 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:49:56,590 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:49:56,590 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:49:56,591 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:49:56,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:49:56,591 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,591 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:49:56,591 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:49:56,591 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:49:56,591 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:49:56,591 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:49:56,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:49:56,669 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:49:56,669 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:49:56,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,685 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) [2021-08-27 15:49:56,686 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 [2021-08-27 15:49:56,687 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 [2021-08-27 15:49:56,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:49:56,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:49:56,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:49:56,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:49:56,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:49:56,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:49:56,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:49:56,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:49:56,739 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 [2021-08-27 15:49:56,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,740 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) [2021-08-27 15:49:56,747 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 [2021-08-27 15:49:56,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:49:56,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:49:56,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:49:56,753 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:49:56,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:49:56,755 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:49:56,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:49:56,758 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 [2021-08-27 15:49:56,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:49:56,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-27 15:49:56,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,798 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) [2021-08-27 15:49:56,799 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 [2021-08-27 15:49:56,801 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 [2021-08-27 15:49:56,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:49:56,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:49:56,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:49:56,807 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:49:56,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:49:56,808 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:49:56,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:49:56,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:49:56,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 15:49:56,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,839 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) [2021-08-27 15:49:56,840 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 [2021-08-27 15:49:56,841 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 [2021-08-27 15:49:56,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:49:56,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:49:56,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:49:56,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:49:56,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:49:56,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:49:56,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:49:56,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:49:56,870 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:49:56,870 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:49:56,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:56,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:56,877 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) [2021-08-27 15:49:56,903 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:49:56,903 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:49:56,903 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:49:56,904 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-08-27 15:49:56,921 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 [2021-08-27 15:49:56,922 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 [2021-08-27 15:49:56,922 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:49:56,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:49:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:57,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:49:57,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:49:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:49:57,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:49:57,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:49:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:49:57,206 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 [2021-08-27 15:49:57,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858 Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:57,263 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2228 states and 4084 transitions. Complement of second has 4 states. [2021-08-27 15:49:57,263 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 [2021-08-27 15:49:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2021-08-27 15:49:57,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 9 letters. [2021-08-27 15:49:57,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:57,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 44 letters. Loop has 9 letters. [2021-08-27 15:49:57,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:57,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 18 letters. [2021-08-27 15:49:57,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:49:57,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4084 transitions. [2021-08-27 15:49:57,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:49:57,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-08-27 15:49:57,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:49:57,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:49:57,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:49:57,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:49:57,271 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:49:57,271 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:49:57,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:49:57,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:49:57,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:49:57,272 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:49:57,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:49:57,272 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:49:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:49:57,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:49:57,272 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:49:57,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:49:57,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:49:57,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:49:57,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:49:57,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:49:57,273 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:49:57,273 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:49:57,273 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:49:57,273 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:49:57,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:49:57,273 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:49:57,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:49:57,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:49:57 BoogieIcfgContainer [2021-08-27 15:49:57,278 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:49:57,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:49:57,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:49:57,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:49:57,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:49:46" (3/4) ... [2021-08-27 15:49:57,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:49:57,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:49:57,282 INFO L168 Benchmark]: Toolchain (without parser) took 63164.86 ms. Allocated memory was 54.5 MB in the beginning and 9.7 GB in the end (delta: 9.6 GB). Free memory was 28.9 MB in the beginning and 7.5 GB in the end (delta: -7.5 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.1 GB. [2021-08-27 15:49:57,285 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.3 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:49:57,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.08 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 28.7 MB in the beginning and 37.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:49:57,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 3542.62 ms. Allocated memory was 69.2 MB in the beginning and 918.6 MB in the end (delta: 849.3 MB). Free memory was 37.0 MB in the beginning and 302.3 MB in the end (delta: -265.3 MB). Peak memory consumption was 582.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:49:57,286 INFO L168 Benchmark]: Boogie Preprocessor took 3288.61 ms. Allocated memory was 918.6 MB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 302.3 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 327.2 MB. Max. memory is 16.1 GB. [2021-08-27 15:49:57,289 INFO L168 Benchmark]: RCFGBuilder took 44892.45 ms. Allocated memory was 2.8 GB in the beginning and 9.7 GB in the end (delta: 6.9 GB). Free memory was 2.0 GB in the beginning and 8.4 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-08-27 15:49:57,289 INFO L168 Benchmark]: BuchiAutomizer took 10831.62 ms. Allocated memory is still 9.7 GB. Free memory was 8.4 GB in the beginning and 7.5 GB in the end (delta: 856.7 MB). Peak memory consumption was 856.7 MB. Max. memory is 16.1 GB. [2021-08-27 15:49:57,290 INFO L168 Benchmark]: Witness Printer took 2.46 ms. Allocated memory is still 9.7 GB. Free memory is still 7.5 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:49:57,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.3 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.08 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 28.7 MB in the beginning and 37.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 3542.62 ms. Allocated memory was 69.2 MB in the beginning and 918.6 MB in the end (delta: 849.3 MB). Free memory was 37.0 MB in the beginning and 302.3 MB in the end (delta: -265.3 MB). Peak memory consumption was 582.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 3288.61 ms. Allocated memory was 918.6 MB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 302.3 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 327.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 44892.45 ms. Allocated memory was 2.8 GB in the beginning and 9.7 GB in the end (delta: 6.9 GB). Free memory was 2.0 GB in the beginning and 8.4 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 10831.62 ms. Allocated memory is still 9.7 GB. Free memory was 8.4 GB in the beginning and 7.5 GB in the end (delta: 856.7 MB). Peak memory consumption was 856.7 MB. Max. memory is 16.1 GB. * Witness Printer took 2.46 ms. Allocated memory is still 9.7 GB. Free memory is still 7.5 GB. There was no memory consumed. Max. memory is 16.1 GB. * 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. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.2s. Büchi inclusion checks took 6.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 90.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 1.1s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 148259 SDtfs, 148248 SDslu, 221619 SDs, 0 SdLazy, 36 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 267.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:49:57,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 15:49:57,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...