./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer --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 5d2c4c2b99dcb8dd6abbcc04471416ee19a70086 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:18:04,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:18:04,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:18:04,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:18:04,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:18:04,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:18:04,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:18:04,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:18:04,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:18:04,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:18:04,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:18:04,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:18:04,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:18:04,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:18:04,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:18:04,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:18:04,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:18:04,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:18:04,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:18:04,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:18:04,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:18:04,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:18:04,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:18:04,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:18:04,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:18:04,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:18:04,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:18:04,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:18:04,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:18:04,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:18:04,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:18:04,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:18:04,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:18:04,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:18:04,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:18:04,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:18:04,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:18:04,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:18:04,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:18:04,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:18:04,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:18:04,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:18:04,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:18:04,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:18:04,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:18:04,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:18:04,609 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:18:04,609 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:18:04,609 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:18:04,610 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:18:04,610 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:18:04,610 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:18:04,610 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:18:04,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:18:04,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:18:04,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:18:04,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:18:04,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:18:04,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:18:04,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:18:04,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:18:04,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:18:04,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:18:04,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:18:04,614 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:18:04,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:18:04,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:18:04,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:18:04,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:18:04,615 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:18:04,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:18:04,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:18:04,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:18:04,616 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:18:04,617 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:18:04,618 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:/tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d2c4c2b99dcb8dd6abbcc04471416ee19a70086 [2020-11-29 18:18:04,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:18:04,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:18:04,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:18:04,907 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:18:04,908 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:18:04,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c [2020-11-29 18:18:04,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/data/07757e592/22ff6c281a1748c18229ff842de0e226/FLAGd47f31ed7 [2020-11-29 18:18:05,703 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:18:05,704 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c [2020-11-29 18:18:05,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/data/07757e592/22ff6c281a1748c18229ff842de0e226/FLAGd47f31ed7 [2020-11-29 18:18:05,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/data/07757e592/22ff6c281a1748c18229ff842de0e226 [2020-11-29 18:18:05,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:18:05,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:18:05,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:18:05,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:18:05,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:18:05,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:18:05" (1/1) ... [2020-11-29 18:18:05,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40662b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:05, skipping insertion in model container [2020-11-29 18:18:05,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:18:05" (1/1) ... [2020-11-29 18:18:05,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:18:05,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:18:06,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:18:06,706 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:18:06,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:18:07,008 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:18:07,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07 WrapperNode [2020-11-29 18:18:07,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:18:07,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:18:07,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:18:07,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:18:07,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:07,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:12,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:18:12,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:18:12,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:18:12,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:18:12,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:12,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:13,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:13,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:15,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:16,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:16,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... [2020-11-29 18:18:17,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:18:17,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:18:17,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:18:17,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:18:17,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:18:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-29 18:18:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:18:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:18:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:18:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:19:12,806 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:19:12,807 INFO L298 CfgBuilder]: Removed 39707 assume(true) statements. [2020-11-29 18:19:12,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:19:12 BoogieIcfgContainer [2020-11-29 18:19:12,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:19:12,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:19:12,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:19:12,845 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:19:12,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:19:12,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:18:05" (1/3) ... [2020-11-29 18:19:12,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb3ced9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:19:12, skipping insertion in model container [2020-11-29 18:19:12,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:19:12,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:07" (2/3) ... [2020-11-29 18:19:12,848 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb3ced9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:19:12, skipping insertion in model container [2020-11-29 18:19:12,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:19:12,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:19:12" (3/3) ... [2020-11-29 18:19:12,849 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2020-11-29 18:19:12,896 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:19:12,896 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:19:12,897 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:19:12,897 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:19:12,897 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:19:12,897 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:19:12,897 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:19:12,897 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:19:13,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37780 states. [2020-11-29 18:19:13,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2020-11-29 18:19:13,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:19:13,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:19:13,739 INFO L852 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] [2020-11-29 18:19:13,739 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:19:13,739 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:19:13,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37780 states. [2020-11-29 18:19:14,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2020-11-29 18:19:14,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:19:14,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:19:14,054 INFO L852 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] [2020-11-29 18:19:14,054 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:19:14,068 INFO L794 eck$LassoCheckResult]: Stem: 4496#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(25);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(10);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(12);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(18);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(13);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string148.base, #t~string148.offset, 1);call write~init~int(115, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(10, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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; 12515#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~14;havoc main_~retValue_acc~7;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 11549#L88true havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10084#L61true select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10083#L61-1true select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10082#L61-2true select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;~__SELECTED_FEATURE_AutoResponder~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10081#L61-3true select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10090#L61-4true select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10089#L61-5true select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10088#L61-6true select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 10087#L61-7true select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 10092#L80true havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 11895#L96true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 11874#L99true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0 := 0; 11872#L99-1true valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 8701#L156true main_#t~ret67 := valid_product_#res;main_~tmp~14 := main_#t~ret67;havoc main_#t~ret67; 1302#L962true assume 0 != main_~tmp~14;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 11838#L806true 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; 13118#L3423-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 13097#L3429-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 9720#L844true 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; 13116#L3423-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 13090#L3429-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 9967#L882true 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; 13117#L3423-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 13070#L3429-17true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 697#L949true havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~9, test_~tmp___1~5, 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~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;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; 2931#L2336-1true [2020-11-29 18:19:14,069 INFO L796 eck$LassoCheckResult]: Loop: 2931#L2336-1true assume !false; 12369#L2145true assume test_~splverifierCounter~0 < 4; 12351#L2146true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 12350#L2152true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet150;havoc test_#t~nondet150; 10104#L2156true assume 0 != test_~tmp___9~0; 10102#L2157true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 10103#L2157-1true test_~op1~0 := 1; 2931#L2336-1true [2020-11-29 18:19:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:14,075 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2020-11-29 18:19:14,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:19:14,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303831806] [2020-11-29 18:19:14,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:19:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:19:14,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303831806] [2020-11-29 18:19:14,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:19:14,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:19:14,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59109798] [2020-11-29 18:19:14,539 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 18:19:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:14,540 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2020-11-29 18:19:14,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:19:14,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309975835] [2020-11-29 18:19:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:19:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:19:14,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:19:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:19:14,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:19:14,584 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:19:14,640 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:19:14,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:19:14,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:19:14,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:19:14,649 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 18:19:14,650 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:14,650 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:19:14,650 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:19:14,650 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration1_Loop [2020-11-29 18:19:14,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:19:14,651 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:19:14,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,789 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:19:14,790 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:14,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:19:14,806 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:14,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 18:19:14,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 18:19:14,872 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 18:19:14,908 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:19:14,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:19:14,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:19:14,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:19:14,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:19:14,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:14,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:19:14,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:19:14,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration1_Loop [2020-11-29 18:19:14,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:19:14,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:19:14,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:14,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:15,046 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:19:15,050 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:15,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:19:15,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:19:15,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:19:15,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:19:15,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:19:15,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:19:15,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:19:15,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:15,072 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:19:15,080 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 18:19:15,081 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:15,107 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:19:15,107 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 18:19:15,108 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:19:15,108 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:15,144 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 18:19:15,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:15,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:19:15,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:19:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:15,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:19:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:19:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:19:15,689 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 [2020-11-29 18:19:15,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37780 states. Second operand 4 states. [2020-11-29 18:19:21,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37780 states.. Second operand 4 states. Result 187247 states and 297312 transitions. Complement of second has 7 states. [2020-11-29 18:19:21,626 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 [2020-11-29 18:19:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 18:19:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178660 transitions. [2020-11-29 18:19:21,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 178660 transitions. Stem has 27 letters. Loop has 7 letters. [2020-11-29 18:19:21,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:21,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 178660 transitions. Stem has 34 letters. Loop has 7 letters. [2020-11-29 18:19:21,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:21,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 178660 transitions. Stem has 27 letters. Loop has 14 letters. [2020-11-29 18:19:21,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:21,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187247 states and 297312 transitions. [2020-11-29 18:19:23,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2020-11-29 18:19:23,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187247 states to 990 states and 1812 transitions. [2020-11-29 18:19:23,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2020-11-29 18:19:23,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2020-11-29 18:19:23,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2020-11-29 18:19:23,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:19:23,374 INFO L691 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2020-11-29 18:19:23,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2020-11-29 18:19:23,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2020-11-29 18:19:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-29 18:19:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2020-11-29 18:19:23,462 INFO L714 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2020-11-29 18:19:23,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:19:23,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:19:23,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:19:23,472 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2020-11-29 18:19:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:19:23,588 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2020-11-29 18:19:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:19:23,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2020-11-29 18:19:23,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2020-11-29 18:19:23,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2020-11-29 18:19:23,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2020-11-29 18:19:23,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2020-11-29 18:19:23,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2020-11-29 18:19:23,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:19:23,605 INFO L691 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 18:19:23,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2020-11-29 18:19:23,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-11-29 18:19:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-29 18:19:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2020-11-29 18:19:23,616 INFO L714 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 18:19:23,616 INFO L594 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 18:19:23,616 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:19:23,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2020-11-29 18:19:23,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2020-11-29 18:19:23,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:19:23,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:19:23,622 INFO L852 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] [2020-11-29 18:19:23,622 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:19:23,623 INFO L794 eck$LassoCheckResult]: Stem: 226535#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(25);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(10);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(12);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(18);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(13);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string148.base, #t~string148.offset, 1);call write~init~int(115, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(10, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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; 226318#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~14;havoc main_~retValue_acc~7;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 226319#L88 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226550#L61 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226820#L61-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226819#L61-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;~__SELECTED_FEATURE_AutoResponder~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226817#L61-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226818#L61-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226825#L61-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226824#L61-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226822#L61-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 226823#L80 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 226826#L96 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 226553#L100 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 226602#L105 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 226350#L110 assume 0 == ~__SELECTED_FEATURE_Sign~0; 226376#L115 assume 0 == ~__SELECTED_FEATURE_Verify~0; 226357#L120 assume 0 == ~__SELECTED_FEATURE_Sign~0; 226358#L125 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 226377#L99-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 226545#L156 main_#t~ret67 := valid_product_#res;main_~tmp~14 := main_#t~ret67;havoc main_#t~ret67; 226373#L962 assume 0 != main_~tmp~14;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 226374#L806 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; 226320#L3423-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 226321#L3429-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 226679#L844 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; 226294#L3423-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 226295#L3429-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 226635#L882 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; 226309#L3423-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 226310#L3429-17 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 226536#L949 havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~9, test_~tmp___1~5, 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~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;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; 226829#L2336-1 assume !false; 226475#L2145 [2020-11-29 18:19:23,623 INFO L796 eck$LassoCheckResult]: Loop: 226475#L2145 assume test_~splverifierCounter~0 < 4; 226290#L2146 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 226291#L2152 assume !(0 == test_~op1~0); 226472#L2169 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet151;havoc test_#t~nondet151; 226528#L2174 assume 0 != test_~tmp___8~0; 226520#L2175 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 226386#L2175-1 test_~op2~0 := 1; 226431#L2336-1 assume !false; 226475#L2145 [2020-11-29 18:19:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:23,624 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2020-11-29 18:19:23,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:19:23,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484742322] [2020-11-29 18:19:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:19:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:19:23,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484742322] [2020-11-29 18:19:23,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:19:23,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:19:23,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377719098] [2020-11-29 18:19:23,802 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 18:19:23,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:23,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2020-11-29 18:19:23,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:19:23,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282105276] [2020-11-29 18:19:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:19:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:19:23,815 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:19:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:19:23,823 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:19:23,845 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:19:23,906 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:19:23,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:19:23,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:19:23,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:19:23,907 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 18:19:23,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:23,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:19:23,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:19:23,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration2_Loop [2020-11-29 18:19:23,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:19:23,908 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:19:23,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:23,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:23,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:23,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:23,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:24,049 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:19:24,050 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:24,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:19:24,058 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:24,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 18:19:24,102 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:24,108 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 18:19:24,141 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:19:24,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:19:24,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:19:24,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:19:24,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:19:24,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:24,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:19:24,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:19:24,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration2_Loop [2020-11-29 18:19:24,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:19:24,142 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:19:24,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:24,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:24,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:24,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:24,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:24,295 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:19:24,296 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:24,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:19:24,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:19:24,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:19:24,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:19:24,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:19:24,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:19:24,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:19:24,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:24,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:19:24,315 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 18:19:24,316 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:24,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:19:24,323 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 18:19:24,323 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:19:24,323 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:24,358 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 18:19:24,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:24,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:19:24,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:19:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:24,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:19:24,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:19:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:19:24,598 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 [2020-11-29 18:19:24,598 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2020-11-29 18:19:24,760 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand 5 states. Result 2006 states and 3673 transitions. Complement of second has 6 states. [2020-11-29 18:19:24,761 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 [2020-11-29 18:19:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 18:19:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2020-11-29 18:19:24,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2020-11-29 18:19:24,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:24,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2020-11-29 18:19:24,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:24,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2020-11-29 18:19:24,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:24,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2020-11-29 18:19:24,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2020-11-29 18:19:24,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2020-11-29 18:19:24,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2020-11-29 18:19:24,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2020-11-29 18:19:24,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2020-11-29 18:19:24,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:19:24,796 INFO L691 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2020-11-29 18:19:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2020-11-29 18:19:24,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2020-11-29 18:19:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-11-29 18:19:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2020-11-29 18:19:24,826 INFO L714 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2020-11-29 18:19:24,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:19:24,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:19:24,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:19:24,827 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 4 states. [2020-11-29 18:19:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:19:24,917 INFO L93 Difference]: Finished difference Result 2023 states and 3698 transitions. [2020-11-29 18:19:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:19:24,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2023 states and 3698 transitions. [2020-11-29 18:19:24,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 426 [2020-11-29 18:19:24,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2023 states to 2023 states and 3698 transitions. [2020-11-29 18:19:24,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 507 [2020-11-29 18:19:24,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 507 [2020-11-29 18:19:24,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2023 states and 3698 transitions. [2020-11-29 18:19:24,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:19:24,943 INFO L691 BuchiCegarLoop]: Abstraction has 2023 states and 3698 transitions. [2020-11-29 18:19:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states and 3698 transitions. [2020-11-29 18:19:24,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 1037. [2020-11-29 18:19:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2020-11-29 18:19:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1886 transitions. [2020-11-29 18:19:24,967 INFO L714 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2020-11-29 18:19:24,967 INFO L594 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2020-11-29 18:19:24,967 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 18:19:24,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1037 states and 1886 transitions. [2020-11-29 18:19:24,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2020-11-29 18:19:24,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:19:24,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:19:24,974 INFO L852 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] [2020-11-29 18:19:24,974 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:19:24,975 INFO L794 eck$LassoCheckResult]: Stem: 232304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(25);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(10);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(12);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(18);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(13);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string148.base, #t~string148.offset, 1);call write~init~int(115, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(10, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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; 232091#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~14;havoc main_~retValue_acc~7;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 232092#L88 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232319#L61 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232591#L61-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232590#L61-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;~__SELECTED_FEATURE_AutoResponder~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232588#L61-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232589#L61-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232597#L61-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232596#L61-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 232594#L61-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 232595#L80 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 232598#L96 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 232322#L100 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 232372#L105 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 232123#L110 assume 0 == ~__SELECTED_FEATURE_Sign~0; 232148#L115 assume 0 == ~__SELECTED_FEATURE_Verify~0; 232130#L120 assume 0 == ~__SELECTED_FEATURE_Sign~0; 232131#L125 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 232149#L99-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 232314#L156 main_#t~ret67 := valid_product_#res;main_~tmp~14 := main_#t~ret67;havoc main_#t~ret67; 232145#L962 assume 0 != main_~tmp~14;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 232146#L806 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; 232093#L3423-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 232094#L3429-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 232449#L844 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; 232067#L3423-6 assume !(1 == setClientId_~handle); 232068#L3426-6 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 232156#L3429-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 232406#L882 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; 232081#L3423-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 232082#L3429-17 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 232305#L949 havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~9, test_~tmp___1~5, 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~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;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; 232603#L2336-1 assume !false; 232668#L2145 assume test_~splverifierCounter~0 < 4; 232063#L2146 [2020-11-29 18:19:24,976 INFO L796 eck$LassoCheckResult]: Loop: 232063#L2146 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 232064#L2152 assume !(0 == test_~op1~0); 232242#L2169 assume !(0 == test_~op2~0); 232297#L2187 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet152;havoc test_#t~nondet152; 232527#L2192 assume 0 != test_~tmp___7~0; 232584#L2193 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 232117#L2193-1 test_~op3~0 := 1; 232201#L2336-1 assume !false; 232507#L2145 assume test_~splverifierCounter~0 < 4; 232063#L2146 [2020-11-29 18:19:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:24,976 INFO L82 PathProgramCache]: Analyzing trace with hash 351408190, now seen corresponding path program 1 times [2020-11-29 18:19:24,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:19:24,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905227808] [2020-11-29 18:19:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:19:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:19:25,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905227808] [2020-11-29 18:19:25,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:19:25,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:19:25,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517811635] [2020-11-29 18:19:25,130 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 18:19:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:25,131 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2020-11-29 18:19:25,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:19:25,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383175852] [2020-11-29 18:19:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:19:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:19:25,141 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:19:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:19:25,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:19:25,155 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:19:25,191 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:19:25,191 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:19:25,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:19:25,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:19:25,192 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 18:19:25,192 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,192 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:19:25,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:19:25,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration3_Loop [2020-11-29 18:19:25,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:19:25,192 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:19:25,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,324 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:19:25,324 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:19:25,329 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:19:25,333 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: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:19:25,374 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,378 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:19:25,378 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:19:25,422 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,427 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:19:25,428 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet152=-6, ULTIMATE.start_test_~tmp___7~0=-6} Honda state: {ULTIMATE.start_test_#t~nondet152=-6, ULTIMATE.start_test_~tmp___7~0=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:19:25,468 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 18:19:25,514 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,612 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 18:19:25,614 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:19:25,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:19:25,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:19:25,614 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:19:25,614 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:19:25,614 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,614 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:19:25,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:19:25,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration3_Loop [2020-11-29 18:19:25,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:19:25,615 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:19:25,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:19:25,758 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:19:25,758 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:19:25,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:19:25,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:19:25,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:19:25,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:19:25,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:19:25,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:19:25,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:19:25,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:19:25,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:19:25,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:19:25,823 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:19:25,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:19:25,826 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 18:19:25,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:25,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:19:25,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:19:25,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:19:25,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:19:25,875 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:19:25,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:19:25,876 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 18:19:25,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:25,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:26,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:19:26,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:19:26,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:19:26,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:19:26,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:19:26,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:19:26,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:19:26,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:19:26,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:19:26,355 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 18:19:26,355 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8c2bcbc-8b9e-4e7e-8ed4-3b192ba0ad8a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:19:26,364 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:19:26,364 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 18:19:26,364 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:19:26,364 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:19:26,403 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 18:19:26,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:19:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:26,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:19:26,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:19:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:19:26,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:19:26,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:19:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:19:26,675 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 [2020-11-29 18:19:26,675 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853 Second operand 3 states. [2020-11-29 18:19:26,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853. Second operand 3 states. Result 2226 states and 4077 transitions. Complement of second has 4 states. [2020-11-29 18:19:26,766 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 [2020-11-29 18:19:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 18:19:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2020-11-29 18:19:26,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 9 letters. [2020-11-29 18:19:26,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:26,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 44 letters. Loop has 9 letters. [2020-11-29 18:19:26,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:26,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 18 letters. [2020-11-29 18:19:26,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:19:26,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2226 states and 4077 transitions. [2020-11-29 18:19:26,778 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:19:26,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2226 states to 0 states and 0 transitions. [2020-11-29 18:19:26,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:19:26,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:19:26,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:19:26,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:19:26,779 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:19:26,779 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:19:26,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:19:26,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:19:26,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:19:26,781 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-11-29 18:19:26,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:19:26,781 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 18:19:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:19:26,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 18:19:26,782 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:19:26,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:19:26,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:19:26,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:19:26,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:19:26,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:19:26,783 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:19:26,783 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:19:26,783 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:19:26,783 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 18:19:26,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:19:26,783 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:19:26,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 18:19:26,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:19:26 BoogieIcfgContainer [2020-11-29 18:19:26,794 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:19:26,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:19:26,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:19:26,795 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:19:26,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:19:12" (3/4) ... [2020-11-29 18:19:26,800 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:19:26,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:19:26,803 INFO L168 Benchmark]: Toolchain (without parser) took 80946.09 ms. Allocated memory was 98.6 MB in the beginning and 11.7 GB in the end (delta: 11.6 GB). Free memory was 66.3 MB in the beginning and 10.0 GB in the end (delta: -9.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-11-29 18:19:26,808 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:19:26,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1154.52 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.1 MB in the beginning and 60.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:19:26,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 5878.53 ms. Allocated memory was 119.5 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 60.3 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 461.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:19:26,811 INFO L168 Benchmark]: Boogie Preprocessor took 4698.59 ms. Allocated memory was 3.5 GB in the beginning and 8.6 GB in the end (delta: 5.0 GB). Free memory was 3.1 GB in the beginning and 7.9 GB in the end (delta: -4.8 GB). Peak memory consumption was 295.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:19:26,812 INFO L168 Benchmark]: RCFGBuilder took 55250.17 ms. Allocated memory was 8.6 GB in the beginning and 11.3 GB in the end (delta: 2.7 GB). Free memory was 7.9 GB in the beginning and 10.2 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-11-29 18:19:26,815 INFO L168 Benchmark]: BuchiAutomizer took 13953.23 ms. Allocated memory was 11.3 GB in the beginning and 11.7 GB in the end (delta: 373.3 MB). Free memory was 10.2 GB in the beginning and 10.0 GB in the end (delta: 261.1 MB). Peak memory consumption was 634.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:19:26,815 INFO L168 Benchmark]: Witness Printer took 5.31 ms. Allocated memory is still 11.7 GB. Free memory is still 10.0 GB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:19:26,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1154.52 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.1 MB in the beginning and 60.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 5878.53 ms. Allocated memory was 119.5 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 60.3 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 461.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 4698.59 ms. Allocated memory was 3.5 GB in the beginning and 8.6 GB in the end (delta: 5.0 GB). Free memory was 3.1 GB in the beginning and 7.9 GB in the end (delta: -4.8 GB). Peak memory consumption was 295.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 55250.17 ms. Allocated memory was 8.6 GB in the beginning and 11.3 GB in the end (delta: 2.7 GB). Free memory was 7.9 GB in the beginning and 10.2 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 13953.23 ms. Allocated memory was 11.3 GB in the beginning and 11.7 GB in the end (delta: 373.3 MB). Free memory was 10.2 GB in the beginning and 10.0 GB in the end (delta: 261.1 MB). Peak memory consumption was 634.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.31 ms. Allocated memory is still 11.7 GB. Free memory is still 10.0 GB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 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 13.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.1s. Büchi inclusion checks took 7.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2378 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 1.5s Buchi closure took 0.0s. Biggest automaton had 1037 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 122132 SDtfs, 122097 SDslu, 182286 SDs, 0 SdLazy, 65 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 21ms 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! Received shutdown request...