./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec3_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_spec3_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 3f1e83e5fa13e39f94e2e0711907f1263f014245 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:49:21,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:49:21,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:49:21,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:49:21,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:49:21,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:49:21,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:49:21,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:49:21,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:49:21,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:49:21,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:49:21,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:49:21,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:49:21,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:49:21,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:49:21,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:49:21,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:49:21,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:49:21,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:49:21,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:49:21,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:49:21,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:49:21,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:49:21,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:49:21,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:49:21,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:49:21,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:49:21,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:49:21,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:49:21,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:49:21,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:49:21,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:49:21,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:49:21,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:49:21,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:49:21,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:49:21,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:49:21,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:49:21,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:49:21,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:49:21,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:49:21,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:49:21,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:49:21,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:49:21,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:49:21,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:49:21,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:49:21,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:49:21,784 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:49:21,784 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:49:21,784 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:49:21,784 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:49:21,785 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:49:21,785 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:49:21,786 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:49:21,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:49:21,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:49:21,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:49:21,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:49:21,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:49:21,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:49:21,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:49:21,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:49:21,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:49:21,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:49:21,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:49:21,804 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:49:21,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:49:21,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:49:21,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:49:21,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:49:21,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:49:21,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:49:21,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:49:21,807 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:49:21,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f1e83e5fa13e39f94e2e0711907f1263f014245 [2021-08-27 15:49:22,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:49:22,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:49:22,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:49:22,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:49:22,116 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:49:22,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2021-08-27 15:49:22,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ca34ff0/f767ccb4a87e441c897a004fa29d061a/FLAG280a09203 [2021-08-27 15:49:22,639 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:49:22,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2021-08-27 15:49:22,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ca34ff0/f767ccb4a87e441c897a004fa29d061a/FLAG280a09203 [2021-08-27 15:49:22,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ca34ff0/f767ccb4a87e441c897a004fa29d061a [2021-08-27 15:49:22,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:49:22,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:49:22,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:49:22,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:49:22,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:49:22,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:49:22" (1/1) ... [2021-08-27 15:49:22,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a88f161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:22, skipping insertion in model container [2021-08-27 15:49:22,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:49:22" (1/1) ... [2021-08-27 15:49:22,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:49:22,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:49:22,971 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_spec3_productSimulator.cil.c[8926,8939] [2021-08-27 15:49:23,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:49:23,238 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:49:23,256 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_spec3_productSimulator.cil.c[8926,8939] [2021-08-27 15:49:23,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:49:23,376 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:49:23,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23 WrapperNode [2021-08-27 15:49:23,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:49:23,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:49:23,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:49:23,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:49:23,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:23,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:26,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:49:26,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:49:26,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:49:26,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:49:26,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:26,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:27,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:27,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:28,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:29,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:29,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:30,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:49:30,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:49:30,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:49:30,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:49:30,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (1/1) ... [2021-08-27 15:49:30,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:49:30,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:49:30,551 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 15:49:30,587 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 15:49:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 15:49:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:49:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:49:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:49:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:50:10,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:50:10,951 INFO L299 CfgBuilder]: Removed 36635 assume(true) statements. [2021-08-27 15:50:10,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:50:10 BoogieIcfgContainer [2021-08-27 15:50:10,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:50:10,982 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:50:10,982 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:50:10,985 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:50:10,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:50:10,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:49:22" (1/3) ... [2021-08-27 15:50:10,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aa5576d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:50:10, skipping insertion in model container [2021-08-27 15:50:10,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:50:10,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:49:23" (2/3) ... [2021-08-27 15:50:10,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aa5576d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:50:10, skipping insertion in model container [2021-08-27 15:50:10,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:50:10,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:50:10" (3/3) ... [2021-08-27 15:50:10,988 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2021-08-27 15:50:11,018 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:50:11,019 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:50:11,019 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:50:11,019 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:50:11,019 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:50:11,019 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:50:11,019 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:50:11,019 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:50:11,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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 15:50:11,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:50:11,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:11,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:11,896 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 15:50:11,896 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:11,897 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:50:11,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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 15:50:12,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:50:12,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:12,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:12,281 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 15:50:12,281 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:12,286 INFO L791 eck$LassoCheckResult]: Stem: 25497#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(12);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(10);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(18);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(34);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(22);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(44);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(44);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(11);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(19);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string153.base, #t~string153.offset, 1);call write~init~int(100, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(10, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(16);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(15);call #t~string170.base, #t~string170.offset := #Ultimate.allocOnStack(16);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 22591#L-1true havoc main_#res;havoc main_#t~ret148, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 29557#L306true havoc select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45, select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 17236#L279true select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 11935#L279-1true select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 264#L279-2true select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 33152#L279-3true select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 26458#L279-4true select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret43;havoc select_features_#t~ret43;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 15619#L279-5true select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 6658#L279-6true select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 12410#L279-7true select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret46;havoc select_features_#t~ret46; 12094#L298true havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 1081#L314true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 14499#L317true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~5 := 0; 25080#L317-1true valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 2667#L374true main_#t~ret148 := valid_product_#res;main_~tmp~25 := main_#t~ret148;havoc main_#t~ret148; 5499#L3286true assume 0 != main_~tmp~25;havoc setup_#t~nondet143, setup_#t~nondet145, setup_#t~nondet147, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 6849#L3130true 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; 5266#L3077-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 19286#L3083-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string142.base, #t~string142.offset;havoc setup_#t~nondet143;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 9556#L3168true 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; 23830#L3077-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 10226#L3083-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string144.base, #t~string144.offset;havoc setup_#t~nondet145;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 22483#L3206true 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; 20956#L3077-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 21679#L3083-17true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string146.base, #t~string146.offset;havoc setup_#t~nondet147; 14203#L3273true havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 21035#L1988-1true [2021-08-27 15:50:12,286 INFO L793 eck$LassoCheckResult]: Loop: 21035#L1988-1true assume !false; 81#L1797true assume test_~splverifierCounter~0 < 4; 11102#L1798true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 14085#L1804true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet122;havoc test_#t~nondet122; 34717#L1808true assume 0 != test_~tmp___9~0; 24141#L1809true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 28923#L1809-1true test_~op1~0 := 1; 21035#L1988-1true [2021-08-27 15:50:12,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:12,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-27 15:50:12,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:12,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350240823] [2021-08-27 15:50:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:12,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:12,627 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 15:50:12,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:50:12,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350240823] [2021-08-27 15:50:12,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350240823] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:50:12,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:50:12,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:50:12,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526011935] [2021-08-27 15:50:12,643 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:50:12,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:12,645 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-27 15:50:12,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:12,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326337899] [2021-08-27 15:50:12,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:12,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:12,657 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:50:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:12,699 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:50:12,752 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:12,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:12,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:12,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:12,753 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:50:12,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:12,754 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:12,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:12,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:50:12,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:12,754 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:12,779 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 15:50:12,786 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 15:50:12,792 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 15:50:12,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:50:12,873 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:12,874 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:50:12,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:12,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:12,881 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 15:50:12,889 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 15:50:12,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:12,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:12,916 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 15:50:12,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:12,917 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 15:50:12,919 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 15:50:12,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:50:12,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:12,938 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:50:12,954 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 15:50:12,955 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:12,955 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:12,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:12,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:12,955 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:50:12,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:12,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:12,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:12,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:50:12,956 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:12,956 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:12,957 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 15:50:12,976 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 15:50:12,981 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 15:50:12,985 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 15:50:13,055 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:13,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:50:13,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:13,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:13,069 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 15:50:13,080 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 15:50:13,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:13,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:13,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:13,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:13,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:13,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:13,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:13,093 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 15:50:13,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:50:13,130 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:50:13,130 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:50:13,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:13,152 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 15:50:13,217 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 15:50:13,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:50:13,217 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:50:13,218 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:50:13,218 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 15:50:13,260 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 15:50:13,263 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:50:13,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:13,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:50:13,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:13,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:50:13,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:13,692 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 15:50:13,703 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 15:50:13,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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 15:50:14,846 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 15:50:18,040 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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 180271 states and 290272 transitions. Complement of second has 7 states. [2021-08-27 15:50:18,041 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 15:50:18,043 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 15:50:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174180 transitions. [2021-08-27 15:50:18,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-27 15:50:18,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:18,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-27 15:50:18,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:18,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-27 15:50:18,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:18,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180271 states and 290272 transitions. [2021-08-27 15:50:19,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-27 15:50:19,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180271 states to 990 states and 1812 transitions. [2021-08-27 15:50:19,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-27 15:50:19,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-27 15:50:19,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-27 15:50:19,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:19,301 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-27 15:50:19,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-27 15:50:19,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-27 15:50:19,353 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 15:50:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-27 15:50:19,354 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-27 15:50:19,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:50:19,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:50:19,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:50:19,365 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 15:50:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:50:19,433 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-27 15:50:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:50:19,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-27 15:50:19,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:50:19,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-27 15:50:19,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-27 15:50:19,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-27 15:50:19,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-27 15:50:19,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:19,442 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:50:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-27 15:50:19,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-27 15:50:19,457 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 15:50:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-27 15:50:19,458 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:50:19,458 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:50:19,458 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:50:19,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-27 15:50:19,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:50:19,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:19,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:19,462 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 15:50:19,463 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:19,463 INFO L791 eck$LassoCheckResult]: Stem: 218253#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(12);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(10);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(18);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(34);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(22);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(44);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(44);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(11);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(19);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string153.base, #t~string153.offset, 1);call write~init~int(100, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(10, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(16);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(15);call #t~string170.base, #t~string170.offset := #Ultimate.allocOnStack(16);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 218212#L-1 havoc main_#res;havoc main_#t~ret148, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 218117#L306 havoc select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45, select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217912#L279 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217913#L279-1 select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217823#L279-2 select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217824#L279-3 select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217895#L279-4 select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret43;havoc select_features_#t~ret43;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217896#L279-5 select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218032#L279-6 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218033#L279-7 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret46;havoc select_features_#t~ret46; 218190#L298 havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 218191#L314 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 218147#L318 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 217704#L323 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 217705#L328 assume 0 == ~__SELECTED_FEATURE_Sign~0; 218189#L333 assume 0 == ~__SELECTED_FEATURE_Verify~0; 217897#L338 assume 0 == ~__SELECTED_FEATURE_Sign~0; 217840#L343 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~5 := 1; 218157#L317-1 valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 218131#L374 main_#t~ret148 := valid_product_#res;main_~tmp~25 := main_#t~ret148;havoc main_#t~ret148; 217855#L3286 assume 0 != main_~tmp~25;havoc setup_#t~nondet143, setup_#t~nondet145, setup_#t~nondet147, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 217856#L3130 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; 217984#L3077-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217985#L3083-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string142.base, #t~string142.offset;havoc setup_#t~nondet143;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 218107#L3168 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; 218215#L3077-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217747#L3083-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string144.base, #t~string144.offset;havoc setup_#t~nondet145;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 217748#L3206 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; 217987#L3077-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217716#L3083-17 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string146.base, #t~string146.offset;havoc setup_#t~nondet147; 218024#L3273 havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 218088#L1988-1 assume !false; 217826#L1797 [2021-08-27 15:50:19,463 INFO L793 eck$LassoCheckResult]: Loop: 217826#L1797 assume test_~splverifierCounter~0 < 4; 217737#L1798 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 217738#L1804 assume !(0 == test_~op1~0); 217841#L1821 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet123;havoc test_#t~nondet123; 217886#L1826 assume 0 != test_~tmp___8~0; 217888#L1827 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 217905#L1827-1 test_~op2~0 := 1; 217825#L1988-1 assume !false; 217826#L1797 [2021-08-27 15:50:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:19,463 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-27 15:50:19,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:19,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15927847] [2021-08-27 15:50:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:19,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:19,569 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 15:50:19,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:50:19,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15927847] [2021-08-27 15:50:19,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15927847] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:50:19,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:50:19,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:50:19,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634777121] [2021-08-27 15:50:19,570 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:50:19,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:19,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-27 15:50:19,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:19,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248989629] [2021-08-27 15:50:19,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:19,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:19,584 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:50:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:19,591 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:50:19,642 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:19,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:19,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:19,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:19,643 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:50:19,643 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:19,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:19,643 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:19,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:50:19,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:19,643 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:19,644 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 15:50:19,650 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 15:50:19,657 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 15:50:19,660 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 15:50:19,662 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 15:50:19,729 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:19,729 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:50:19,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:19,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:19,730 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 15:50:19,731 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 15:50:19,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:19,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:19,777 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 15:50:19,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:19,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:19,779 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 15:50:19,780 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 15:50:19,781 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:50:19,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:19,803 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:50:19,828 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 15:50:19,828 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:19,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:19,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:19,828 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:19,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:50:19,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:19,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:19,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:19,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:50:19,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:19,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:19,830 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 15:50:19,835 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 15:50:19,838 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 15:50:19,841 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 15:50:19,847 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 15:50:19,924 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:19,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:50:19,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:19,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:19,929 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 15:50:19,930 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 15:50:19,970 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 15:50:19,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:19,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:19,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:19,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:19,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:19,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:19,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:19,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:50:20,009 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:50:20,010 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:50:20,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:20,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:20,011 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 15:50:20,012 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 15:50:20,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:50:20,014 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:50:20,014 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:50:20,014 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 15:50:20,039 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 15:50:20,040 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:50:20,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:20,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:50:20,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:20,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:50:20,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:20,368 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 15:50:20,369 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 15:50:20,369 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 15:50:20,478 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 15:50:20,479 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 15:50:20,479 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 15:50:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-27 15:50:20,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-27 15:50:20,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:20,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-27 15:50:20,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:20,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-27 15:50:20,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:20,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-27 15:50:20,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-27 15:50:20,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-27 15:50:20,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-27 15:50:20,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-27 15:50:20,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-27 15:50:20,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:20,497 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-27 15:50:20,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-27 15:50:20,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-27 15:50:20,514 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 15:50:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-27 15:50:20,516 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-27 15:50:20,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:50:20,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:50:20,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:50:20,517 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 15:50:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:50:20,905 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-08-27 15:50:20,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:50:20,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:20,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:50:20,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-27 15:50:20,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-08-27 15:50:20,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-08-27 15:50:20,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:20,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:50:20,913 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:50:20,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:20,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-08-27 15:50:20,925 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 15:50:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-27 15:50:20,927 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:50:20,927 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:50:20,927 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:50:20,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-08-27 15:50:20,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:50:20,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:50:20,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:50:20,930 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 15:50:20,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:50:20,931 INFO L791 eck$LassoCheckResult]: Stem: 223042#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(12);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(10);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(18);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(34);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(22);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(44);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(44);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(11);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(19);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string153.base, #t~string153.offset, 1);call write~init~int(100, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(10, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(16);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(15);call #t~string170.base, #t~string170.offset := #Ultimate.allocOnStack(16);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 222998#L-1 havoc main_#res;havoc main_#t~ret148, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 222903#L306 havoc select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45, select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222695#L279 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222696#L279-1 select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222610#L279-2 select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222611#L279-3 select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222681#L279-4 select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret43;havoc select_features_#t~ret43;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222682#L279-5 select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222816#L279-6 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222817#L279-7 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret46;havoc select_features_#t~ret46; 222976#L298 havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 222977#L314 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222933#L318 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 222490#L323 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222491#L328 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 222974#L332 assume 0 != ~__SELECTED_FEATURE_Verify~0; 222975#L333 assume 0 == ~__SELECTED_FEATURE_Verify~0; 222683#L338 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 222626#L342 assume 0 != ~__SELECTED_FEATURE_Keys~0; 222627#L343 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~5 := 1; 222943#L317-1 valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 222917#L374 main_#t~ret148 := valid_product_#res;main_~tmp~25 := main_#t~ret148;havoc main_#t~ret148; 222642#L3286 assume 0 != main_~tmp~25;havoc setup_#t~nondet143, setup_#t~nondet145, setup_#t~nondet147, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 222643#L3130 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; 222766#L3077-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222767#L3083-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string142.base, #t~string142.offset;havoc setup_#t~nondet143;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 222893#L3168 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; 223001#L3077-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222533#L3083-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string144.base, #t~string144.offset;havoc setup_#t~nondet145;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 222534#L3206 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; 222769#L3077-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222502#L3083-17 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string146.base, #t~string146.offset;havoc setup_#t~nondet147; 222807#L3273 havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 222874#L1988-1 assume !false; 223116#L1797 assume test_~splverifierCounter~0 < 4; 222523#L1798 [2021-08-27 15:50:20,931 INFO L793 eck$LassoCheckResult]: Loop: 222523#L1798 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 222524#L1804 assume !(0 == test_~op1~0); 222628#L1821 assume !(0 == test_~op2~0); 222674#L1839 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet124;havoc test_#t~nondet124; 222867#L1844 assume 0 != test_~tmp___7~0; 222963#L1845 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 222540#L1845-1 test_~op3~0 := 1; 222612#L1988-1 assume !false; 222613#L1797 assume test_~splverifierCounter~0 < 4; 222523#L1798 [2021-08-27 15:50:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:20,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1345931480, now seen corresponding path program 1 times [2021-08-27 15:50:20,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:20,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886569094] [2021-08-27 15:50:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:20,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:20,977 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 15:50:20,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:50:20,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886569094] [2021-08-27 15:50:20,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886569094] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:50:20,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:50:20,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:50:20,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193523706] [2021-08-27 15:50:20,978 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:50:20,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:20,979 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-27 15:50:20,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:50:20,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459897281] [2021-08-27 15:50:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:50:20,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:50:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:20,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:50:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:50:20,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:50:21,050 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:21,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:21,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:21,050 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:21,050 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:50:21,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:21,051 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:21,051 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:50:21,051 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:21,051 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:21,052 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 15:50:21,058 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 15:50:21,061 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 15:50:21,064 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 15:50:21,069 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 15:50:21,071 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 15:50:21,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:21,145 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:50:21,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,146 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 15:50:21,147 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 15:50:21,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:21,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:21,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:50:21,174 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet124=-8, ULTIMATE.start_test_~tmp___7~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet124=-8, ULTIMATE.start_test_~tmp___7~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:50:21,199 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 15:50:21,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,201 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 15:50:21,207 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 15:50:21,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:21,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:21,241 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:50:21,241 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 15:50:21,265 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 15:50:21,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,273 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 15:50:21,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:21,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:21,322 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 15:50:21,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:50:21,333 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 15:50:21,357 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 15:50:21,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,358 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 15:50:21,359 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 15:50:21,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:50:21,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:21,395 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 15:50:21,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,396 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 15:50:21,396 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 15:50:21,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:50:21,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:50:21,461 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:50:21,463 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 15:50:21,464 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:50:21,464 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:50:21,464 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:50:21,464 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:50:21,464 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:50:21,464 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,464 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:50:21,464 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:50:21,464 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:50:21,464 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:50:21,464 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:50:21,465 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 15:50:21,471 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 15:50:21,477 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 15:50:21,479 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 15:50:21,485 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 15:50:21,487 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 15:50:21,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:50:21,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:50:21,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,573 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 15:50:21,577 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 15:50:21,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:21,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:21,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:21,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:21,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:21,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:21,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:21,588 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 15:50:21,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:50:21,619 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 15:50:21,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,621 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 15:50:21,623 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 15:50:21,625 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 15:50:21,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:21,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:21,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:21,632 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:50:21,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:21,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:50:21,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:21,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:50:21,673 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 15:50:21,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,675 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 15:50:21,676 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 15:50:21,678 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 15:50:21,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:21,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:21,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:21,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:50:21,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:21,686 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:50:21,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:21,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:50:21,715 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 15:50:21,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,717 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 15:50:21,726 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 15:50:21,727 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 15:50:21,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:50:21,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:50:21,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:50:21,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:50:21,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:50:21,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:50:21,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:50:21,752 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:50:21,761 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:50:21,761 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:50:21,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:50:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:50:21,763 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 15:50:21,956 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 15:50:21,959 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:50:21,959 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:50:21,960 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:50:21,960 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 15:50:21,974 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 15:50:21,982 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 15:50:21,984 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:50:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:50:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:22,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:50:22,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:50:22,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:50:22,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:50:22,339 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 15:50:22,340 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 15:50:22,340 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 15:50:22,407 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 15:50:22,408 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 15:50:22,408 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 15:50:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-08-27 15:50:22,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-08-27 15:50:22,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:22,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-08-27 15:50:22,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:22,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-08-27 15:50:22,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:50:22,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-08-27 15:50:22,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:50:22,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-08-27 15:50:22,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:50:22,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:50:22,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:50:22,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:50:22,418 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:22,418 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:22,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:50:22,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:50:22,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:50:22,419 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 15:50:22,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:50:22,419 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:50:22,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:50:22,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:50:22,419 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:50:22,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:50:22,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:50:22,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:50:22,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:50:22,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:50:22,420 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:22,420 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:22,420 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:50:22,420 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:50:22,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:50:22,421 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:50:22,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:50:22,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:50:22 BoogieIcfgContainer [2021-08-27 15:50:22,427 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:50:22,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:50:22,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:50:22,427 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:50:22,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:50:10" (3/4) ... [2021-08-27 15:50:22,430 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:50:22,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:50:22,431 INFO L168 Benchmark]: Toolchain (without parser) took 59746.43 ms. Allocated memory was 69.2 MB in the beginning and 9.8 GB in the end (delta: 9.7 GB). Free memory was 49.0 MB in the beginning and 8.1 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-08-27 15:50:22,435 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:50:22,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.36 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 43.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:22,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 3447.71 ms. Allocated memory was 69.2 MB in the beginning and 994.1 MB in the end (delta: 924.8 MB). Free memory was 43.2 MB in the beginning and 466.9 MB in the end (delta: -423.8 MB). Peak memory consumption was 497.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:22,437 INFO L168 Benchmark]: Boogie Preprocessor took 3675.49 ms. Allocated memory was 994.1 MB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 466.9 MB in the beginning and 2.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 363.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:22,438 INFO L168 Benchmark]: RCFGBuilder took 40478.78 ms. Allocated memory was 3.0 GB in the beginning and 9.8 GB in the end (delta: 6.8 GB). Free memory was 2.4 GB in the beginning and 8.7 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2021-08-27 15:50:22,441 INFO L168 Benchmark]: BuchiAutomizer took 11444.80 ms. Allocated memory is still 9.8 GB. Free memory was 8.7 GB in the beginning and 8.2 GB in the end (delta: 509.6 MB). Peak memory consumption was 509.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:50:22,442 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 9.8 GB. Free memory was 8.2 GB in the beginning and 8.1 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:50:22,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.36 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 43.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 3447.71 ms. Allocated memory was 69.2 MB in the beginning and 994.1 MB in the end (delta: 924.8 MB). Free memory was 43.2 MB in the beginning and 466.9 MB in the end (delta: -423.8 MB). Peak memory consumption was 497.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 3675.49 ms. Allocated memory was 994.1 MB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 466.9 MB in the beginning and 2.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 363.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40478.78 ms. Allocated memory was 3.0 GB in the beginning and 9.8 GB in the end (delta: 6.8 GB). Free memory was 2.4 GB in the beginning and 8.7 GB in the end (delta: -6.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 11444.80 ms. Allocated memory is still 9.8 GB. Free memory was 8.7 GB in the beginning and 8.2 GB in the end (delta: 509.6 MB). Peak memory consumption was 509.6 MB. Max. memory is 16.1 GB. * Witness Printer took 2.74 ms. Allocated memory is still 9.8 GB. Free memory was 8.2 GB in the beginning and 8.1 GB in the end (delta: 1.0 MB). 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 11.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.3s. Büchi inclusion checks took 5.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 91.4ms 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: 119072 SDtfs, 118567 SDslu, 177841 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 399.9ms 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: 29ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:50:22,485 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 15:50:22,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...