./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec4_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_spec4_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 92951fcd680afa428e4cc8d86a88a954867e81da ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:49:50,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:49:50,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:49:50,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:49:50,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:49:50,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:49:50,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:49:50,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:49:50,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:49:50,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:49:50,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:49:51,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:49:51,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:49:51,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:49:51,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:49:51,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:49:51,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:49:51,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:49:51,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:49:51,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:49:51,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:49:51,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:49:51,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:49:51,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:49:51,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:49:51,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:49:51,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:49:51,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:49:51,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:49:51,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:49:51,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:49:51,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:49:51,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:49:51,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:49:51,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:49:51,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:49:51,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:49:51,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:49:51,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:49:51,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:49:51,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:49:51,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:49:51,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:49:51,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:49:51,071 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:49:51,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:49:51,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:49:51,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:49:51,073 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:49:51,073 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:49:51,073 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:49:51,073 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:49:51,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:49:51,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:49:51,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:49:51,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:49:51,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:49:51,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:49:51,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:49:51,077 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:49:51,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92951fcd680afa428e4cc8d86a88a954867e81da [2021-08-27 15:49:51,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:49:51,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:49:51,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:49:51,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:49:51,368 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:49:51,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2021-08-27 15:49:51,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef084953/996fc10f119046dbbfa1e7fc4a037c0c/FLAGfbcdf945e [2021-08-27 15:49:51,913 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:49:51,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2021-08-27 15:49:51,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef084953/996fc10f119046dbbfa1e7fc4a037c0c/FLAGfbcdf945e [2021-08-27 15:49:52,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef084953/996fc10f119046dbbfa1e7fc4a037c0c [2021-08-27 15:49:52,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:49:52,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:49:52,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:49:52,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:49:52,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:49:52,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:52,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fded3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52, skipping insertion in model container [2021-08-27 15:49:52,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:52,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:49:52,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:49:52,470 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_spec4_productSimulator.cil.c[18559,18572] [2021-08-27 15:49:52,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:49:52,571 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:49:52,591 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_spec4_productSimulator.cil.c[18559,18572] [2021-08-27 15:49:52,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:49:52,674 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:49:52,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52 WrapperNode [2021-08-27 15:49:52,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:49:52,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:49:52,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:49:52,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:49:52,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:52,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:55,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:49:55,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:49:55,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:49:55,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:49:55,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:55,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:56,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:56,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:57,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:58,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:58,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:58,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:49:58,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:49:58,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:49:58,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:49:58,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (1/1) ... [2021-08-27 15:49:58,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:58,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:58,765 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 15:49:58,781 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 15:49:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 15:49:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:49:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:49:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:49:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:50:35,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:50:35,335 INFO L299 CfgBuilder]: Removed 35867 assume(true) statements. [2021-08-27 15:50:35,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:50:35 BoogieIcfgContainer [2021-08-27 15:50:35,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:50:35,363 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:50:35,363 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:50:35,365 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:50:35,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:50:35,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:49:52" (1/3) ... [2021-08-27 15:50:35,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635a1d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:50:35, skipping insertion in model container [2021-08-27 15:50:35,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:50:35,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:52" (2/3) ... [2021-08-27 15:50:35,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635a1d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:50:35, skipping insertion in model container [2021-08-27 15:50:35,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:50:35,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:50:35" (3/3) ... [2021-08-27 15:50:35,368 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2021-08-27 15:50:35,398 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:50:35,399 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:50:35,399 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:50:35,399 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:50:35,399 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:50:35,399 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:50:35,399 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:50:35,399 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:50:35,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34804 states, 34803 states have (on average 1.6079935637732379) internal successors, (55963), 34803 states have internal predecessors, (55963), 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 15:50:36,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:50:36,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:36,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:36,111 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 15:50:36,112 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:36,112 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:50:36,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34804 states, 34803 states have (on average 1.6079935637732379) internal successors, (55963), 34803 states have internal predecessors, (55963), 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 15:50:36,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:50:36,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:36,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:36,416 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 15:50:36,416 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:36,425 INFO L791 eck$LassoCheckResult]: Stem: 24392#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(115, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(22);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(11);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(19);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string87.base, #t~string87.offset, 1);call write~init~int(100, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(10, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(25);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 21426#L-1true havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~36, main_~tmp~17;havoc main_~retValue_acc~36;havoc main_~tmp~17;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 33163#L2048true havoc select_features_#t~ret61, select_features_#t~ret62, select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 28602#L2021true select_features_#t~ret61 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret61;havoc select_features_#t~ret61;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 676#L2021-1true select_features_#t~ret62 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret62;havoc select_features_#t~ret62;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 25289#L2021-2true select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 2110#L2021-3true select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 31169#L2021-4true select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret65;havoc select_features_#t~ret65;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 18574#L2021-5true select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 14294#L2021-6true select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 28214#L2021-7true select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 13039#L2040true havoc valid_product_#res;havoc valid_product_~retValue_acc~24, valid_product_~tmp~15;havoc valid_product_~retValue_acc~24;havoc valid_product_~tmp~15; 8391#L2056true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 27430#L2059true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~15 := 0; 2770#L2059-1true valid_product_~retValue_acc~24 := valid_product_~tmp~15;valid_product_#res := valid_product_~retValue_acc~24; 20295#L2116true main_#t~ret82 := valid_product_#res;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 5299#L2712true assume 0 != main_~tmp~17;havoc setup_#t~nondet77, setup_#t~nondet79, setup_#t~nondet81, 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; 26301#L2556true 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; 18141#L1994-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 20034#L2000-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string76.base, #t~string76.offset;havoc setup_#t~nondet77;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 14458#L2594true 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; 34344#L1994-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6153#L2000-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 13596#L2632true 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; 14360#L1994-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 28506#L2000-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81; 5123#L2699true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1377#L293-1true [2021-08-27 15:50:36,425 INFO L793 eck$LassoCheckResult]: Loop: 1377#L293-1true assume !false; 21904#L102true assume test_~splverifierCounter~0 < 4; 34790#L103true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3658#L109true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet7;havoc test_#t~nondet7; 5605#L113true assume 0 != test_~tmp___9~0; 3017#L114true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 26867#L114-1true test_~op1~0 := 1; 1377#L293-1true [2021-08-27 15:50:36,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:36,430 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-27 15:50:36,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:36,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894467] [2021-08-27 15:50:36,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:36,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:36,730 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 15:50:36,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:50:36,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894467] [2021-08-27 15:50:36,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894467] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:50:36,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:50:36,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:50:36,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644261427] [2021-08-27 15:50:36,741 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:50:36,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:36,742 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-27 15:50:36,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:36,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883375708] [2021-08-27 15:50:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:36,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:36,753 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:50:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:36,804 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:50:36,852 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:36,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:36,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:36,853 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:36,853 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:50:36,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:36,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:36,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:36,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:50:36,854 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:36,854 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:36,865 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 15:50:36,871 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 15:50:36,874 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 15:50:36,877 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 15:50:36,935 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:36,936 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:50:36,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:36,938 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 15:50:36,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:36,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:36,955 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 15:50:36,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 15:50:36,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:36,982 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 15:50:36,983 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 15:50:36,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:50:36,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:37,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:50:37,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 15:50:37,025 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:37,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:37,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:37,025 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:37,025 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:50:37,025 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:37,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:37,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:37,025 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:50:37,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:37,026 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:37,026 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 15:50:37,032 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 15:50:37,037 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 15:50:37,040 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 15:50:37,093 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:37,096 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:50:37,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:37,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:37,098 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 15:50:37,099 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 15:50:37,101 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 15:50:37,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:37,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:37,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:37,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:37,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:37,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:37,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:37,124 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:50:37,128 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:50:37,128 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:50:37,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:37,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:37,130 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 15:50:37,131 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 15:50:37,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:50:37,132 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:50:37,132 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:50:37,132 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 15:50:37,148 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 15:50:37,150 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:50:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:37,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:50:37,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:37,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:50:37,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:37,455 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 15:50:37,464 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 15:50:37,512 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 34804 states, 34803 states have (on average 1.6079935637732379) internal successors, (55963), 34803 states have internal predecessors, (55963), 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 15:50:38,516 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 15:50:41,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 34804 states, 34803 states have (on average 1.6079935637732379) internal successors, (55963), 34803 states have internal predecessors, (55963), 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 173391 states and 278624 transitions. Complement of second has 7 states. [2021-08-27 15:50:41,824 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 15:50:41,826 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 15:50:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167076 transitions. [2021-08-27 15:50:42,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 167076 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-27 15:50:42,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:42,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 167076 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-27 15:50:42,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:42,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 167076 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-27 15:50:42,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:42,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173391 states and 278624 transitions. [2021-08-27 15:50:43,013 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-27 15:50:43,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173391 states to 990 states and 1812 transitions. [2021-08-27 15:50:43,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-27 15:50:43,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-27 15:50:43,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-27 15:50:43,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:43,025 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-27 15:50:43,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-27 15:50:43,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-27 15:50:43,087 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 15:50:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-27 15:50:43,088 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-27 15:50:43,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:50:43,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:50:43,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:50:43,093 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 15:50:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:50:43,146 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-27 15:50:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:50:43,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-27 15:50:43,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:50:43,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-27 15:50:43,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-27 15:50:43,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-27 15:50:43,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-27 15:50:43,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:43,154 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:50:43,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-27 15:50:43,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-27 15:50:43,165 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 15:50:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-27 15:50:43,165 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:50:43,166 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:50:43,166 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:50:43,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-27 15:50:43,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:50:43,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:43,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:43,169 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 15:50:43,169 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:43,169 INFO L791 eck$LassoCheckResult]: Stem: 209995#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(115, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(22);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(11);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(19);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string87.base, #t~string87.offset, 1);call write~init~int(100, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(10, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(25);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 209941#L-1 havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~36, main_~tmp~17;havoc main_~retValue_acc~36;havoc main_~tmp~17;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209942#L2048 havoc select_features_#t~ret61, select_features_#t~ret62, select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209668#L2021 select_features_#t~ret61 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret61;havoc select_features_#t~ret61;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209669#L2021-1 select_features_#t~ret62 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret62;havoc select_features_#t~ret62;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209974#L2021-2 select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209542#L2021-3 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209543#L2021-4 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret65;havoc select_features_#t~ret65;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209630#L2021-5 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209631#L2021-6 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209890#L2021-7 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 209891#L2040 havoc valid_product_#res;havoc valid_product_~retValue_acc~24, valid_product_~tmp~15;havoc valid_product_~retValue_acc~24;havoc valid_product_~tmp~15; 209490#L2056 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209464#L2060 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209465#L2065 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209685#L2070 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209632#L2075 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209593#L2080 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209640#L2085 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~15 := 1; 209628#L2059-1 valid_product_~retValue_acc~24 := valid_product_~tmp~15;valid_product_#res := valid_product_~retValue_acc~24; 209629#L2116 main_#t~ret82 := valid_product_#res;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 209933#L2712 assume 0 != main_~tmp~17;havoc setup_#t~nondet77, setup_#t~nondet79, setup_#t~nondet81, 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; 209919#L2556 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; 209852#L1994-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209719#L2000-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string76.base, #t~string76.offset;havoc setup_#t~nondet77;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209810#L2594 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; 209811#L1994-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209459#L2000-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209443#L2632 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; 209444#L1994-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209483#L2000-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81; 209962#L2699 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 209994#L293-1 assume !false; 209622#L102 [2021-08-27 15:50:43,169 INFO L793 eck$LassoCheckResult]: Loop: 209622#L102 assume test_~splverifierCounter~0 < 4; 209623#L103 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209813#L109 assume !(0 == test_~op1~0); 209814#L126 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet8;havoc test_#t~nondet8; 209604#L131 assume 0 != test_~tmp___8~0; 209606#L132 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209784#L132-1 test_~op2~0 := 1; 209507#L293-1 assume !false; 209622#L102 [2021-08-27 15:50:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:43,170 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-27 15:50:43,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:43,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270785606] [2021-08-27 15:50:43,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:43,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:43,256 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 15:50:43,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:50:43,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270785606] [2021-08-27 15:50:43,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270785606] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:50:43,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:50:43,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:50:43,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781185250] [2021-08-27 15:50:43,258 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:50:43,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:43,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-27 15:50:43,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:43,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363015709] [2021-08-27 15:50:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:43,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:43,269 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:50:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:43,274 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:50:43,315 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:43,315 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:43,315 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:43,315 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:43,315 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:50:43,315 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:43,315 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:43,315 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:43,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:50:43,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:43,316 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:43,317 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 15:50:43,321 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 15:50:43,323 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 15:50:43,327 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 15:50:43,331 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 15:50:43,404 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:43,404 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:50:43,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:43,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:43,405 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 15:50:43,406 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 15:50:43,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:43,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:43,446 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 15:50:43,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:43,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:43,447 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 15:50:43,448 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 15:50:43,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:50:43,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:43,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:50:43,491 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 15:50:43,491 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:43,491 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:43,491 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:43,491 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:43,491 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:50:43,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:43,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:43,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:43,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:50:43,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:43,492 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:43,493 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 15:50:43,497 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 15:50:43,499 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 15:50:43,502 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 15:50:43,506 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 15:50:43,569 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:43,569 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:50:43,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:43,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:43,570 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 15:50:43,571 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 15:50:43,572 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 15:50:43,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:43,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:43,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:43,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:43,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:43,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:43,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:43,594 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:50:43,596 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:50:43,596 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:50:43,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:43,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:43,601 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 15:50:43,602 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 15:50:43,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:50:43,603 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:50:43,603 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:50:43,603 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 15:50:43,618 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 15:50:43,619 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:50:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:43,871 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 15:50:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:43,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:50:43,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:44,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:50:44,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:44,057 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 15:50:44,057 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 15:50:44,057 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 15:50:44,168 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 15:50:44,168 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 15:50:44,168 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 15:50:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-27 15:50:44,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-27 15:50:44,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:44,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-27 15:50:44,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:44,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-27 15:50:44,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:44,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-27 15:50:44,175 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-27 15:50:44,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-27 15:50:44,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-27 15:50:44,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-27 15:50:44,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-27 15:50:44,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:44,184 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-27 15:50:44,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-27 15:50:44,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-27 15:50:44,197 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 15:50:44,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-27 15:50:44,198 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-27 15:50:44,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:50:44,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:50:44,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:50:44,199 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 15:50:44,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:50:44,618 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-08-27 15:50:44,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:50:44,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:44,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:50:44,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-27 15:50:44,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-08-27 15:50:44,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-08-27 15:50:44,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:44,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:44,625 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:50:44,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:44,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-08-27 15:50:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8209817131857555) internal successors, (1892), 1038 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:50:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-27 15:50:44,636 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:50:44,636 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:50:44,636 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:50:44,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:44,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:50:44,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:44,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:44,639 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:44,639 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:44,639 INFO L791 eck$LassoCheckResult]: Stem: 214804#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(115, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(22);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(11);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(19);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string87.base, #t~string87.offset, 1);call write~init~int(100, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(10, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(25);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 214736#L-1 havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~36, main_~tmp~17;havoc main_~retValue_acc~36;havoc main_~tmp~17;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214737#L2048 havoc select_features_#t~ret61, select_features_#t~ret62, select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214450#L2021 select_features_#t~ret61 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret61;havoc select_features_#t~ret61;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214451#L2021-1 select_features_#t~ret62 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret62;havoc select_features_#t~ret62;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214772#L2021-2 select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214328#L2021-3 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214329#L2021-4 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret65;havoc select_features_#t~ret65;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214414#L2021-5 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214415#L2021-6 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214681#L2021-7 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 214682#L2040 havoc valid_product_#res;havoc valid_product_~retValue_acc~24, valid_product_~tmp~15;havoc valid_product_~retValue_acc~24;havoc valid_product_~tmp~15; 214270#L2056 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 214244#L2060 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214245#L2065 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 214469#L2070 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 214470#L2074 assume 0 != ~__SELECTED_FEATURE_Verify~0; 214416#L2075 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214379#L2080 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 214515#L2084 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214424#L2085 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~15 := 1; 214412#L2059-1 valid_product_~retValue_acc~24 := valid_product_~tmp~15;valid_product_#res := valid_product_~retValue_acc~24; 214413#L2116 main_#t~ret82 := valid_product_#res;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 214728#L2712 assume 0 != main_~tmp~17;havoc setup_#t~nondet77, setup_#t~nondet79, setup_#t~nondet81, 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; 214714#L2556 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; 214638#L1994-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214503#L2000-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string76.base, #t~string76.offset;havoc setup_#t~nondet77;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214595#L2594 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; 214596#L1994-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214248#L2000-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214229#L2632 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; 214230#L1994-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214269#L2000-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81; 214757#L2699 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 214799#L293-1 assume !false; 214840#L102 assume test_~splverifierCounter~0 < 4; 214801#L103 [2021-08-27 15:50:44,640 INFO L793 eck$LassoCheckResult]: Loop: 214801#L103 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214598#L109 assume !(0 == test_~op1~0); 214599#L126 assume !(0 == test_~op2~0); 214391#L144 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet9;havoc test_#t~nondet9; 214547#L149 assume 0 != test_~tmp___7~0; 214548#L150 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214573#L150-1 test_~op3~0 := 1; 214293#L293-1 assume !false; 214586#L102 assume test_~splverifierCounter~0 < 4; 214801#L103 [2021-08-27 15:50:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1345931480, now seen corresponding path program 1 times [2021-08-27 15:50:44,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:44,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64229037] [2021-08-27 15:50:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:44,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:44,702 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 15:50:44,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:50:44,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64229037] [2021-08-27 15:50:44,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64229037] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:50:44,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:50:44,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:50:44,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728564049] [2021-08-27 15:50:44,706 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:50:44,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:44,707 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-27 15:50:44,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:44,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569723843] [2021-08-27 15:50:44,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:44,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:44,712 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:50:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:44,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:50:44,761 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:44,761 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:44,761 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:44,761 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:44,761 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:50:44,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:44,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:44,761 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:44,761 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:50:44,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:44,761 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:44,762 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 15:50:44,764 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 15:50:44,767 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 15:50:44,769 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 15:50:44,773 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 15:50:44,775 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 15:50:44,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:44,839 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:50:44,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:44,840 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 15:50:44,887 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 15:50:44,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:44,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:44,910 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:50:44,910 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 15:50:44,939 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 15:50:44,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:44,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:44,940 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 15:50:44,942 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 15:50:44,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:44,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:44,960 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:50:44,960 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:50:44,978 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 15:50:44,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:44,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:44,980 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 15:50:44,980 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 15:50:44,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:44,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:45,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:50:45,003 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 15:50:45,070 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 15:50:45,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,072 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 15:50:45,073 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 15:50:45,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:45,075 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:45,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 15:50:45,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,113 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 15:50:45,113 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 15:50:45,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:50:45,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:45,185 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:50:45,190 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 15:50:45,190 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:45,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:45,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:45,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:45,190 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:50:45,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:45,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:45,190 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:50:45,190 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:45,190 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:45,191 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 15:50:45,197 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 15:50:45,199 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 15:50:45,201 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 15:50:45,206 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 15:50:45,208 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 15:50:45,296 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:45,296 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:50:45,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,312 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 15:50:45,314 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 15:50:45,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:45,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:45,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:45,320 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:50:45,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:45,322 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:50:45,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:45,325 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 15:50:45,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:50:45,352 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 15:50:45,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,353 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 15:50:45,355 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 15:50:45,357 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 15:50:45,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:45,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:45,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:45,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:45,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:45,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:45,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:45,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:50:45,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 15:50:45,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,437 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 15:50:45,438 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 15:50:45,439 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 15:50:45,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:45,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:45,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:45,446 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:50:45,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:45,446 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:50:45,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:45,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:50:45,494 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 15:50:45,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,509 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 15:50:45,527 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 15:50:45,527 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 15:50:45,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:45,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:45,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:45,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:45,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:45,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:45,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:45,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:50:45,557 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:50:45,557 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:50:45,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:45,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:45,573 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 15:50:45,595 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 15:50:45,595 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:50:45,595 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:50:45,596 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:50:45,596 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 15:50:45,610 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 15:50:45,611 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:50:45,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:45,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:50:45,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:45,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:50:45,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:45,890 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 15:50:45,891 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 15:50:45,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:50:45,944 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2228 states and 4083 transitions. Complement of second has 4 states. [2021-08-27 15:50:45,944 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 15:50:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:50:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-08-27 15:50:45,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-08-27 15:50:45,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:45,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-08-27 15:50:45,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:45,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-08-27 15:50:45,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:45,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-08-27 15:50:45,952 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:50:45,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-08-27 15:50:45,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:50:45,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:50:45,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:50:45,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:50:45,952 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:45,952 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:45,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:50:45,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:50:45,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:50:45,953 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:50:45,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:50:45,953 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:50:45,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:50:45,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:50:45,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:50:45,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:50:45,953 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:50:45,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:50:45,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:50:45,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:50:45,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:50:45 BoogieIcfgContainer [2021-08-27 15:50:45,957 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:50:45,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:50:45,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:50:45,957 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:50:45,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:50:35" (3/4) ... [2021-08-27 15:50:45,959 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:50:45,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:50:45,960 INFO L168 Benchmark]: Toolchain (without parser) took 53751.82 ms. Allocated memory was 83.9 MB in the beginning and 10.7 GB in the end (delta: 10.6 GB). Free memory was 56.4 MB in the beginning and 8.9 GB in the end (delta: -8.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-08-27 15:50:45,963 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 34.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:50:45,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.54 ms. Allocated memory is still 83.9 MB. Free memory was 56.1 MB in the beginning and 56.8 MB in the end (delta: -674.1 kB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:45,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 3090.29 ms. Allocated memory was 83.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 56.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 769.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:45,965 INFO L168 Benchmark]: Boogie Preprocessor took 2964.87 ms. Allocated memory was 1.5 GB in the beginning and 4.4 GB in the end (delta: 2.9 GB). Free memory was 1.1 GB in the beginning and 3.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 444.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:45,965 INFO L168 Benchmark]: RCFGBuilder took 36630.55 ms. Allocated memory was 4.4 GB in the beginning and 10.5 GB in the end (delta: 6.1 GB). Free memory was 3.8 GB in the beginning and 9.5 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-08-27 15:50:45,967 INFO L168 Benchmark]: BuchiAutomizer took 10594.43 ms. Allocated memory was 10.5 GB in the beginning and 10.7 GB in the end (delta: 241.2 MB). Free memory was 9.5 GB in the beginning and 8.9 GB in the end (delta: 557.9 MB). Peak memory consumption was 799.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:45,968 INFO L168 Benchmark]: Witness Printer took 1.99 ms. Allocated memory is still 10.7 GB. Free memory is still 8.9 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:50:45,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 34.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 464.54 ms. Allocated memory is still 83.9 MB. Free memory was 56.1 MB in the beginning and 56.8 MB in the end (delta: -674.1 kB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 3090.29 ms. Allocated memory was 83.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 56.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 769.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2964.87 ms. Allocated memory was 1.5 GB in the beginning and 4.4 GB in the end (delta: 2.9 GB). Free memory was 1.1 GB in the beginning and 3.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 444.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 36630.55 ms. Allocated memory was 4.4 GB in the beginning and 10.5 GB in the end (delta: 6.1 GB). Free memory was 3.8 GB in the beginning and 9.5 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 10594.43 ms. Allocated memory was 10.5 GB in the beginning and 10.7 GB in the end (delta: 241.2 MB). Free memory was 9.5 GB in the beginning and 8.9 GB in the end (delta: 557.9 MB). Peak memory consumption was 799.1 MB. Max. memory is 16.1 GB. * Witness Printer took 1.99 ms. Allocated memory is still 10.7 GB. Free memory is still 8.9 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 10.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.4s. Büchi inclusion checks took 5.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 91.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 1.0s 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: 114528 SDtfs, 114023 SDslu, 171025 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 439.9ms 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: 37ms 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 15:50:45,995 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 15:50:46,214 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...