./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc94b11b9bf104a1982bd595975574e7febd0128133afbc196759ccbde82033d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:56:17,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:56:17,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:56:17,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:56:17,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:56:17,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:56:17,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:56:17,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:56:17,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:56:17,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:56:17,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:56:17,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:56:17,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:56:17,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:56:17,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:56:17,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:56:17,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:56:17,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:56:17,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:56:17,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:56:17,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:56:17,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:56:17,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:56:17,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:56:17,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:56:17,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:56:17,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:56:17,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:56:17,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:56:17,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:56:17,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:56:17,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:56:17,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:56:17,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:56:17,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:56:17,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:56:17,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:56:17,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:56:17,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:56:17,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:56:17,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:56:17,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:56:17,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:56:17,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:56:17,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:56:17,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:56:17,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:56:17,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:56:17,547 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:56:17,554 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:56:17,554 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:56:17,554 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:56:17,554 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:56:17,554 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:56:17,554 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:56:17,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:56:17,555 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:56:17,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:56:17,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:56:17,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:56:17,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:56:17,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:56:17,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:56:17,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:56:17,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:56:17,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:56:17,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:56:17,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:56:17,558 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:56:17,558 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc94b11b9bf104a1982bd595975574e7febd0128133afbc196759ccbde82033d [2021-12-16 09:56:17,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:56:17,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:56:17,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:56:17,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:56:17,773 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:56:17,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2021-12-16 09:56:17,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2591845c9/a8a53799a2e54125aed0d8dd96058ec5/FLAG94b8e42bb [2021-12-16 09:56:18,220 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:56:18,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2021-12-16 09:56:18,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2591845c9/a8a53799a2e54125aed0d8dd96058ec5/FLAG94b8e42bb [2021-12-16 09:56:18,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2591845c9/a8a53799a2e54125aed0d8dd96058ec5 [2021-12-16 09:56:18,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:56:18,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:56:18,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:56:18,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:56:18,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:56:18,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37222918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18, skipping insertion in model container [2021-12-16 09:56:18,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:56:18,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:56:18,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2021-12-16 09:56:18,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:56:18,662 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:56:18,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2021-12-16 09:56:18,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:56:18,736 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:56:18,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18 WrapperNode [2021-12-16 09:56:18,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:56:18,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:56:18,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:56:18,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:56:18,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,847 INFO L137 Inliner]: procedures = 130, calls = 217, calls flagged for inlining = 126, calls inlined = 250, statements flattened = 3650 [2021-12-16 09:56:18,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:56:18,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:56:18,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:56:18,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:56:18,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:56:18,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:56:18,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:56:18,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:56:18,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (1/1) ... [2021-12-16 09:56:18,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:18,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:18,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:18,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:56:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-16 09:56:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:56:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:56:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:56:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:56:19,151 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:56:19,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:56:20,266 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:56:20,274 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:56:20,274 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:56:20,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:56:20 BoogieIcfgContainer [2021-12-16 09:56:20,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:56:20,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:56:20,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:56:20,279 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:56:20,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:56:20,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:56:18" (1/3) ... [2021-12-16 09:56:20,280 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea4f8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:56:20, skipping insertion in model container [2021-12-16 09:56:20,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:56:20,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:56:18" (2/3) ... [2021-12-16 09:56:20,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea4f8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:56:20, skipping insertion in model container [2021-12-16 09:56:20,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:56:20,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:56:20" (3/3) ... [2021-12-16 09:56:20,282 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec11_product23.cil.c [2021-12-16 09:56:20,306 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:56:20,306 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:56:20,307 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:56:20,307 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:56:20,307 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:56:20,307 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:56:20,307 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:56:20,307 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:56:20,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 828 states, 827 states have (on average 1.6783555018137848) internal successors, (1388), 827 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:20,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2021-12-16 09:56:20,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:56:20,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:56:20,372 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:20,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:20,372 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:56:20,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 828 states, 827 states have (on average 1.6783555018137848) internal successors, (1388), 827 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:20,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2021-12-16 09:56:20,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:56:20,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:56:20,387 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:20,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:20,391 INFO L791 eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(20, 24);call #Ultimate.allocInit(44, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(11, 29);call #Ultimate.allocInit(19, 30);call #Ultimate.allocInit(4, 31);call write~init~int(37, 31, 0, 1);call write~init~int(100, 31, 1, 1);call write~init~int(10, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(10, 33);call #Ultimate.allocInit(34, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(16, 36);call #Ultimate.allocInit(20, 37);call #Ultimate.allocInit(22, 38);~__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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 754#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet55#1, main_#t~ret56#1, main_~retValue_acc~26#1, main_~tmp~10#1;main_~retValue_acc~26#1 := main_#t~nondet55#1;havoc main_#t~nondet55#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 808#L103true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 603#L96true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 526#L111true main_#t~ret56#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret56#1;havoc main_#t~ret56#1; 334#L1857true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet52#1, setup_#t~nondet53#1, setup_#t~nondet54#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 763#L1673true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 688#L1679-2true assume { :end_inline_setClientId } true; 707#L1734true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 474#L1238true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 168#L1244-2true assume { :end_inline_setClientPrivateKey } true; 660#L1745true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 27, 0;havoc setup_#t~nondet52#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 244#L1673-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 346#L1679-5true assume { :end_inline_setClientId } true; 218#L1755true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 768#L1238-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 667#L1244-5true assume { :end_inline_setClientPrivateKey } true; 245#L1766true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 28, 0;havoc setup_#t~nondet53#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 118#L1673-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 103#L1679-8true assume { :end_inline_setClientId } true; 153#L1776true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 471#L1238-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 518#L1244-8true assume { :end_inline_setClientPrivateKey } true; 589#L1787true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 29, 0;havoc setup_#t~nondet54#1; 325#L1844true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~12#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~12#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 106#L2192-1true [2021-12-16 09:56:20,391 INFO L793 eck$LassoCheckResult]: Loop: 106#L2192-1true assume !false; 786#L2044true assume test_~splverifierCounter~0#1 < 4; 43#L2045true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 657#L2051true assume !(0 == test_~op1~0#1); 432#L2064true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet69#1;havoc test_#t~nondet69#1; 584#L2069true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 134#L1191true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 508#L1197-2true assume { :end_inline_setClientAutoResponse } true; 114#L1987true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 106#L2192-1true [2021-12-16 09:56:20,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:20,396 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2021-12-16 09:56:20,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:20,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637908677] [2021-12-16 09:56:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:20,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:20,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:56:20,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637908677] [2021-12-16 09:56:20,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637908677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:56:20,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:56:20,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:56:20,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730269150] [2021-12-16 09:56:20,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:56:20,605 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:56:20,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:20,606 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2021-12-16 09:56:20,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:20,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744769710] [2021-12-16 09:56:20,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:20,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:20,613 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:56:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:20,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:56:20,771 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:20,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:20,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:20,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:20,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:56:20,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:20,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:20,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:20,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration1_Loop [2021-12-16 09:56:20,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:20,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:20,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:20,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:20,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:20,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:20,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:20,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:20,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:20,879 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:56:20,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:20,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:20,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 09:56:20,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:20,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:20,910 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:20,910 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:20,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:20,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:20,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:20,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:20,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 09:56:20,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:20,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:21,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:21,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:21,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:21,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:21,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 09:56:21,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:56:21,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:21,027 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:56:21,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:21,042 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:21,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:21,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:21,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:21,042 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:56:21,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:21,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:21,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:21,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration1_Loop [2021-12-16 09:56:21,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:21,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:21,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:21,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:21,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:21,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:21,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:21,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:21,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:21,149 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:56:21,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:21,152 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:21,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 09:56:21,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:21,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:21,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:21,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:21,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:21,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:21,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:21,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:21,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:56:21,182 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:56:21,182 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:56:21,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:21,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:21,184 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:21,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 09:56:21,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:56:21,186 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:56:21,186 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:56:21,186 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2021-12-16 09:56:21,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:21,203 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:56:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:21,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:56:21,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:21,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:21,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:56:21,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:21,482 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:56:21,485 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 828 states, 827 states have (on average 1.6783555018137848) internal successors, (1388), 827 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:21,715 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 828 states, 827 states have (on average 1.6783555018137848) internal successors, (1388), 827 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3697 states and 6183 transitions. Complement of second has 7 states. [2021-12-16 09:56:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:56:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3551 transitions. [2021-12-16 09:56:21,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3551 transitions. Stem has 25 letters. Loop has 9 letters. [2021-12-16 09:56:21,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:21,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3551 transitions. Stem has 34 letters. Loop has 9 letters. [2021-12-16 09:56:21,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:21,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3551 transitions. Stem has 25 letters. Loop has 18 letters. [2021-12-16 09:56:21,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:21,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3697 states and 6183 transitions. [2021-12-16 09:56:21,759 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2021-12-16 09:56:21,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3697 states to 1087 states and 1951 transitions. [2021-12-16 09:56:21,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2021-12-16 09:56:21,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 560 [2021-12-16 09:56:21,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1951 transitions. [2021-12-16 09:56:21,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:56:21,776 INFO L681 BuchiCegarLoop]: Abstraction has 1087 states and 1951 transitions. [2021-12-16 09:56:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1951 transitions. [2021-12-16 09:56:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 566. [2021-12-16 09:56:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.784452296819788) internal successors, (1010), 565 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1010 transitions. [2021-12-16 09:56:21,828 INFO L704 BuchiCegarLoop]: Abstraction has 566 states and 1010 transitions. [2021-12-16 09:56:21,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:56:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:56:21,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:56:21,832 INFO L87 Difference]: Start difference. First operand 566 states and 1010 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:56:21,870 INFO L93 Difference]: Finished difference Result 1109 states and 1982 transitions. [2021-12-16 09:56:21,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:56:21,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1982 transitions. [2021-12-16 09:56:21,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 522 [2021-12-16 09:56:21,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1109 states and 1982 transitions. [2021-12-16 09:56:21,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 575 [2021-12-16 09:56:21,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2021-12-16 09:56:21,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 1982 transitions. [2021-12-16 09:56:21,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:56:21,888 INFO L681 BuchiCegarLoop]: Abstraction has 1109 states and 1982 transitions. [2021-12-16 09:56:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 1982 transitions. [2021-12-16 09:56:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 565. [2021-12-16 09:56:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 565 states have (on average 1.7805309734513275) internal successors, (1006), 564 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1006 transitions. [2021-12-16 09:56:21,897 INFO L704 BuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2021-12-16 09:56:21,897 INFO L587 BuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2021-12-16 09:56:21,897 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:56:21,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states and 1006 transitions. [2021-12-16 09:56:21,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2021-12-16 09:56:21,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:56:21,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:56:21,902 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:21,902 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:21,902 INFO L791 eck$LassoCheckResult]: Stem: 6893#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(20, 24);call #Ultimate.allocInit(44, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(11, 29);call #Ultimate.allocInit(19, 30);call #Ultimate.allocInit(4, 31);call write~init~int(37, 31, 0, 1);call write~init~int(100, 31, 1, 1);call write~init~int(10, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(10, 33);call #Ultimate.allocInit(34, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(16, 36);call #Ultimate.allocInit(20, 37);call #Ultimate.allocInit(22, 38);~__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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 6842#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet55#1, main_#t~ret56#1, main_~retValue_acc~26#1, main_~tmp~10#1;main_~retValue_acc~26#1 := main_#t~nondet55#1;havoc main_#t~nondet55#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 6843#L103 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6886#L96 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 6808#L111 main_#t~ret56#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret56#1;havoc main_#t~ret56#1; 6809#L1857 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet52#1, setup_#t~nondet53#1, setup_#t~nondet54#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 6829#L1673 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 6503#L1679-2 assume { :end_inline_setClientId } true; 6644#L1734 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 6643#L1238 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 6486#L1244-2 assume { :end_inline_setClientPrivateKey } true; 6549#L1745 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 27, 0;havoc setup_#t~nondet52#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 6550#L1673-2 assume !(1 == setClientId_~handle#1); 6551#L1676-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 6848#L1679-5 assume { :end_inline_setClientId } true; 6417#L1755 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 6418#L1238-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 6586#L1244-5 assume { :end_inline_setClientPrivateKey } true; 6554#L1766 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 28, 0;havoc setup_#t~nondet53#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 6555#L1673-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 6786#L1679-8 assume { :end_inline_setClientId } true; 6787#L1776 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 6636#L1238-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 6590#L1244-8 assume { :end_inline_setClientPrivateKey } true; 6775#L1787 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 29, 0;havoc setup_#t~nondet54#1; 6810#L1844 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~12#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~12#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 6811#L2192-1 assume !false; 6792#L2044 [2021-12-16 09:56:21,902 INFO L793 eck$LassoCheckResult]: Loop: 6792#L2044 assume test_~splverifierCounter~0#1 < 4; 6592#L2045 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 6541#L2051 assume !(0 == test_~op1~0#1); 6471#L2064 assume !(0 == test_~op2~0#1); 6472#L2078 assume !(0 == test_~op3~0#1); 6696#L2092 assume !(0 == test_~op4~0#1); 6628#L2106 assume !(0 == test_~op5~0#1); 6608#L2120 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet73#1;havoc test_#t~nondet73#1; 6609#L2125 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 6434#L2192-1 assume !false; 6792#L2044 [2021-12-16 09:56:21,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:21,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2021-12-16 09:56:21,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:21,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475630454] [2021-12-16 09:56:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:21,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:22,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:56:22,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475630454] [2021-12-16 09:56:22,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475630454] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:56:22,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:56:22,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:56:22,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396269005] [2021-12-16 09:56:22,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:56:22,008 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:56:22,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash 892950433, now seen corresponding path program 1 times [2021-12-16 09:56:22,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:22,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596789260] [2021-12-16 09:56:22,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:22,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:22,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:56:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:22,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:56:22,089 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:22,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:22,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:22,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:22,093 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:56:22,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,095 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:22,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:22,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration2_Loop [2021-12-16 09:56:22,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:22,096 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:22,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,177 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:22,177 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:56:22,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,178 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 09:56:22,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:22,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:22,201 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:22,202 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=4} Honda state: {ULTIMATE.start_test_~op3~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:22,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:22,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,219 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-16 09:56:22,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:22,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:22,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:22,231 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:22,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-16 09:56:22,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,248 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-16 09:56:22,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:22,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:22,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-16 09:56:22,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,286 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-16 09:56:22,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:56:22,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:22,306 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:56:22,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:22,321 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:22,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:22,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:22,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:22,322 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:56:22,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:22,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:22,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration2_Loop [2021-12-16 09:56:22,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:22,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:22,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:22,418 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:22,418 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:56:22,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,420 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:22,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:22,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:22,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:22,430 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:22,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:22,431 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:22,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:22,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-16 09:56:22,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:22,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:22,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-16 09:56:22,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:22,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:22,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:22,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:22,472 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:22,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:22,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:22,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:22,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:22,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:22,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,507 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-16 09:56:22,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:22,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:22,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:22,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:22,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:22,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:22,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:22,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:22,532 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:56:22,533 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:56:22,533 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:56:22,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:22,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:22,534 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:22,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-16 09:56:22,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:56:22,792 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:56:22,792 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:56:22,792 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op6~0#1) = -2*ULTIMATE.start_test_~op6~0#1 + 1 Supporting invariants [] [2021-12-16 09:56:22,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:22,815 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:56:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:22,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:56:22,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:22,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:56:22,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:22,991 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-16 09:56:22,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2153 states and 3867 transitions. Complement of second has 6 states. [2021-12-16 09:56:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:56:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1012 transitions. [2021-12-16 09:56:23,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1012 transitions. Stem has 27 letters. Loop has 10 letters. [2021-12-16 09:56:23,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:23,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1012 transitions. Stem has 37 letters. Loop has 10 letters. [2021-12-16 09:56:23,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:23,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1012 transitions. Stem has 27 letters. Loop has 20 letters. [2021-12-16 09:56:23,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:23,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2153 states and 3867 transitions. [2021-12-16 09:56:23,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2021-12-16 09:56:23,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2153 states to 2153 states and 3867 transitions. [2021-12-16 09:56:23,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 561 [2021-12-16 09:56:23,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 563 [2021-12-16 09:56:23,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2153 states and 3867 transitions. [2021-12-16 09:56:23,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:56:23,064 INFO L681 BuchiCegarLoop]: Abstraction has 2153 states and 3867 transitions. [2021-12-16 09:56:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states and 3867 transitions. [2021-12-16 09:56:23,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1098. [2021-12-16 09:56:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1098 states have (on average 1.790528233151184) internal successors, (1966), 1097 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1966 transitions. [2021-12-16 09:56:23,079 INFO L704 BuchiCegarLoop]: Abstraction has 1098 states and 1966 transitions. [2021-12-16 09:56:23,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:56:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:56:23,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:56:23,080 INFO L87 Difference]: Start difference. First operand 1098 states and 1966 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:56:23,160 INFO L93 Difference]: Finished difference Result 2133 states and 3817 transitions. [2021-12-16 09:56:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 09:56:23,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2133 states and 3817 transitions. [2021-12-16 09:56:23,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 513 [2021-12-16 09:56:23,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2133 states to 2133 states and 3817 transitions. [2021-12-16 09:56:23,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 564 [2021-12-16 09:56:23,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 564 [2021-12-16 09:56:23,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2133 states and 3817 transitions. [2021-12-16 09:56:23,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:56:23,182 INFO L681 BuchiCegarLoop]: Abstraction has 2133 states and 3817 transitions. [2021-12-16 09:56:23,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states and 3817 transitions. [2021-12-16 09:56:23,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1098. [2021-12-16 09:56:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1098 states have (on average 1.789617486338798) internal successors, (1965), 1097 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1965 transitions. [2021-12-16 09:56:23,196 INFO L704 BuchiCegarLoop]: Abstraction has 1098 states and 1965 transitions. [2021-12-16 09:56:23,196 INFO L587 BuchiCegarLoop]: Abstraction has 1098 states and 1965 transitions. [2021-12-16 09:56:23,197 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:56:23,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1098 states and 1965 transitions. [2021-12-16 09:56:23,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2021-12-16 09:56:23,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:56:23,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:56:23,200 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:23,200 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:23,201 INFO L791 eck$LassoCheckResult]: Stem: 13002#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(20, 24);call #Ultimate.allocInit(44, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(11, 29);call #Ultimate.allocInit(19, 30);call #Ultimate.allocInit(4, 31);call write~init~int(37, 31, 0, 1);call write~init~int(100, 31, 1, 1);call write~init~int(10, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(10, 33);call #Ultimate.allocInit(34, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(16, 36);call #Ultimate.allocInit(20, 37);call #Ultimate.allocInit(22, 38);~__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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 12942#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet55#1, main_#t~ret56#1, main_~retValue_acc~26#1, main_~tmp~10#1;main_~retValue_acc~26#1 := main_#t~nondet55#1;havoc main_#t~nondet55#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 12943#L103 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 12995#L96 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 12905#L111 main_#t~ret56#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret56#1;havoc main_#t~ret56#1; 12906#L1857 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet52#1, setup_#t~nondet53#1, setup_#t~nondet54#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 12928#L1673 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 12591#L1679-2 assume { :end_inline_setClientId } true; 12737#L1734 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 12736#L1238 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 12578#L1244-2 assume { :end_inline_setClientPrivateKey } true; 12641#L1745 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 27, 0;havoc setup_#t~nondet52#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 12642#L1673-2 assume !(1 == setClientId_~handle#1); 12643#L1676-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 12948#L1679-5 assume { :end_inline_setClientId } true; 12509#L1755 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 12510#L1238-2 assume !(1 == setClientPrivateKey_~handle#1); 12802#L1241-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 12678#L1244-5 assume { :end_inline_setClientPrivateKey } true; 12646#L1766 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 28, 0;havoc setup_#t~nondet53#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 12647#L1673-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 12883#L1679-8 assume { :end_inline_setClientId } true; 12884#L1776 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 12729#L1238-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 12682#L1244-8 assume { :end_inline_setClientPrivateKey } true; 12872#L1787 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 29, 0;havoc setup_#t~nondet54#1; 12907#L1844 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~12#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~12#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 12908#L2192-1 assume !false; 13029#L2044 assume test_~splverifierCounter~0#1 < 4; 12684#L2045 [2021-12-16 09:56:23,201 INFO L793 eck$LassoCheckResult]: Loop: 12684#L2045 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 12633#L2051 assume !(0 == test_~op1~0#1); 12563#L2064 assume !(0 == test_~op2~0#1); 12564#L2078 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet70#1;havoc test_#t~nondet70#1; 12792#L2083 assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 12785#L1238-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 12786#L1244-11 assume { :end_inline_setClientPrivateKey } true; 12989#L1957 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 12526#L2192-1 assume !false; 12889#L2044 assume test_~splverifierCounter~0#1 < 4; 12684#L2045 [2021-12-16 09:56:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:23,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2021-12-16 09:56:23,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:23,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900106487] [2021-12-16 09:56:23,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:23,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:23,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:23,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:56:23,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900106487] [2021-12-16 09:56:23,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900106487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:56:23,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:56:23,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:56:23,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214474703] [2021-12-16 09:56:23,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:56:23,266 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:56:23,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 845481, now seen corresponding path program 1 times [2021-12-16 09:56:23,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:23,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523152015] [2021-12-16 09:56:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:23,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:23,271 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:56:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:23,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:56:23,332 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:23,333 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:23,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:23,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:23,333 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:56:23,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:23,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:23,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration3_Loop [2021-12-16 09:56:23,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:23,333 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:23,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:23,422 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:56:23,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:23,423 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:23,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-16 09:56:23,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:23,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:23,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:23,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:23,450 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:23,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-16 09:56:23,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:56:23,454 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:23,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:56:23,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:23,486 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:23,486 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:23,486 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:23,486 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:23,486 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:56:23,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:23,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:23,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration3_Loop [2021-12-16 09:56:23,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:23,486 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:23,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:23,575 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:23,576 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:56:23,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:23,577 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:23,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-16 09:56:23,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:23,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:23,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:23,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:23,627 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:23,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:23,628 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:23,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:23,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:23,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-16 09:56:23,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:23,652 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:23,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 09:56:23,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:23,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:23,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:23,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:23,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:23,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:23,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:23,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:23,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:23,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:23,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:23,678 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:23,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-16 09:56:23,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:23,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:23,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:23,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:23,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:23,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:23,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:23,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:23,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:56:23,692 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:56:23,692 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:56:23,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:23,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:23,693 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:23,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-16 09:56:23,696 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:56:23,696 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:56:23,696 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:56:23,696 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2021-12-16 09:56:23,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:23,712 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:56:23,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:23,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:56:23,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:23,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:56:23,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:23,890 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-16 09:56:23,890 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1098 states and 1965 transitions. cyclomatic complexity: 871 Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,951 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1098 states and 1965 transitions. cyclomatic complexity: 871. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4759 states and 8568 transitions. Complement of second has 6 states. [2021-12-16 09:56:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:56:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1004 transitions. [2021-12-16 09:56:23,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 29 letters. Loop has 10 letters. [2021-12-16 09:56:23,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:23,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 39 letters. Loop has 10 letters. [2021-12-16 09:56:23,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:23,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 29 letters. Loop has 20 letters. [2021-12-16 09:56:23,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:23,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4759 states and 8568 transitions. [2021-12-16 09:56:23,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2021-12-16 09:56:23,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4759 states to 4739 states and 8536 transitions. [2021-12-16 09:56:23,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 556 [2021-12-16 09:56:23,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 558 [2021-12-16 09:56:23,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4739 states and 8536 transitions. [2021-12-16 09:56:23,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:56:23,998 INFO L681 BuchiCegarLoop]: Abstraction has 4739 states and 8536 transitions. [2021-12-16 09:56:23,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states and 8536 transitions. [2021-12-16 09:56:24,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 2409. [2021-12-16 09:56:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 2409 states have (on average 1.797426317974263) internal successors, (4330), 2408 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 4330 transitions. [2021-12-16 09:56:24,059 INFO L704 BuchiCegarLoop]: Abstraction has 2409 states and 4330 transitions. [2021-12-16 09:56:24,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:56:24,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:56:24,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:56:24,060 INFO L87 Difference]: Start difference. First operand 2409 states and 4330 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:24,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:24,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:56:24,080 INFO L93 Difference]: Finished difference Result 2416 states and 4337 transitions. [2021-12-16 09:56:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:56:24,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2416 states and 4337 transitions. [2021-12-16 09:56:24,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2021-12-16 09:56:24,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2416 states to 2416 states and 4337 transitions. [2021-12-16 09:56:24,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 305 [2021-12-16 09:56:24,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 305 [2021-12-16 09:56:24,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2416 states and 4337 transitions. [2021-12-16 09:56:24,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:56:24,100 INFO L681 BuchiCegarLoop]: Abstraction has 2416 states and 4337 transitions. [2021-12-16 09:56:24,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states and 4337 transitions. [2021-12-16 09:56:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2409. [2021-12-16 09:56:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 2409 states have (on average 1.7961809879618098) internal successors, (4327), 2408 states have internal predecessors, (4327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 4327 transitions. [2021-12-16 09:56:24,125 INFO L704 BuchiCegarLoop]: Abstraction has 2409 states and 4327 transitions. [2021-12-16 09:56:24,125 INFO L587 BuchiCegarLoop]: Abstraction has 2409 states and 4327 transitions. [2021-12-16 09:56:24,125 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 09:56:24,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2409 states and 4327 transitions. [2021-12-16 09:56:24,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2021-12-16 09:56:24,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:56:24,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:56:24,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:24,130 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:56:24,131 INFO L791 eck$LassoCheckResult]: Stem: 23815#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(16, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(20, 24);call #Ultimate.allocInit(44, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(11, 29);call #Ultimate.allocInit(19, 30);call #Ultimate.allocInit(4, 31);call write~init~int(37, 31, 0, 1);call write~init~int(100, 31, 1, 1);call write~init~int(10, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(10, 33);call #Ultimate.allocInit(34, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(16, 36);call #Ultimate.allocInit(20, 37);call #Ultimate.allocInit(22, 38);~__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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 23759#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet55#1, main_#t~ret56#1, main_~retValue_acc~26#1, main_~tmp~10#1;main_~retValue_acc~26#1 := main_#t~nondet55#1;havoc main_#t~nondet55#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 23760#L103 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 23808#L96 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 23723#L111 main_#t~ret56#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret56#1;havoc main_#t~ret56#1; 23724#L1857 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet52#1, setup_#t~nondet53#1, setup_#t~nondet54#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 23746#L1673 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 23414#L1679-2 assume { :end_inline_setClientId } true; 23559#L1734 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 23556#L1238 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 23401#L1244-2 assume { :end_inline_setClientPrivateKey } true; 23464#L1745 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 27, 0;havoc setup_#t~nondet52#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 23465#L1673-2 assume !(1 == setClientId_~handle#1); 23466#L1676-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 23765#L1679-5 assume { :end_inline_setClientId } true; 23332#L1755 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 23333#L1238-2 assume !(1 == setClientPrivateKey_~handle#1); 23619#L1241-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 23501#L1244-5 assume { :end_inline_setClientPrivateKey } true; 23469#L1766 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 28, 0;havoc setup_#t~nondet53#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 23470#L1673-4 assume !(1 == setClientId_~handle#1); 23721#L1676-4 assume !(2 == setClientId_~handle#1); 23722#L1679-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 23700#L1679-8 assume { :end_inline_setClientId } true; 23701#L1776 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 23551#L1238-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 23505#L1244-8 assume { :end_inline_setClientPrivateKey } true; 23689#L1787 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 29, 0;havoc setup_#t~nondet54#1; 23725#L1844 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~12#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~12#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 23726#L2192-1 assume !false; 23816#L2044 assume test_~splverifierCounter~0#1 < 4; 23817#L2045 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 23456#L2051 [2021-12-16 09:56:24,131 INFO L793 eck$LassoCheckResult]: Loop: 23456#L2051 assume !(0 == test_~op1~0#1); 23386#L2064 assume !(0 == test_~op2~0#1); 23387#L2078 assume !(0 == test_~op3~0#1); 23608#L2092 assume !(0 == test_~op4~0#1); 23543#L2106 assume !(0 == test_~op5~0#1); 23523#L2120 assume !(0 == test_~op6~0#1); 23525#L2131 assume 0 == test_~op7~0#1;test_~tmp___3~0#1 := test_#t~nondet74#1;havoc test_#t~nondet74#1; 23678#L2136 assume 0 != test_~tmp___3~0#1;assume { :begin_inline_rjhKeyChange } true;assume { :begin_inline_generateKeyPair } true;generateKeyPair_#in~client#1, generateKeyPair_#in~seed#1 := ~rjh~0, 666;havoc generateKeyPair_~client#1, generateKeyPair_~seed#1;generateKeyPair_~client#1 := generateKeyPair_#in~client#1;generateKeyPair_~seed#1 := generateKeyPair_#in~seed#1;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := generateKeyPair_~client#1, generateKeyPair_~seed#1;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 23384#L1238-8 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 23295#L1244-14 assume { :end_inline_setClientPrivateKey } true; 23711#L2858 assume { :end_inline_generateKeyPair } true; 23712#L1977 assume { :end_inline_rjhKeyChange } true;test_~op7~0#1 := 1; 23349#L2192-1 assume !false; 23706#L2044 assume test_~splverifierCounter~0#1 < 4; 23507#L2045 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 23456#L2051 [2021-12-16 09:56:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:24,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1020214626, now seen corresponding path program 1 times [2021-12-16 09:56:24,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:24,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493510775] [2021-12-16 09:56:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:24,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:24,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:56:24,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493510775] [2021-12-16 09:56:24,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493510775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:56:24,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:56:24,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:56:24,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74539678] [2021-12-16 09:56:24,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:56:24,160 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:56:24,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1581729651, now seen corresponding path program 1 times [2021-12-16 09:56:24,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:56:24,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267082511] [2021-12-16 09:56:24,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:56:24,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:56:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:24,164 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:56:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:56:24,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:56:24,277 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:24,277 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:24,277 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:24,277 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:24,277 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:56:24,277 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:24,277 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:24,277 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration4_Loop [2021-12-16 09:56:24,277 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:24,277 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:24,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,415 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:24,415 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:56:24,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,419 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-16 09:56:24,439 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,439 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:24,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,458 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-16 09:56:24,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,474 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,474 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___3~0#1=7, ULTIMATE.start_test_#t~nondet74#1=7} Honda state: {ULTIMATE.start_test_~tmp___3~0#1=7, ULTIMATE.start_test_#t~nondet74#1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-16 09:56:24,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,490 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-16 09:56:24,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-16 09:56:24,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,519 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-16 09:56:24,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,521 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,532 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,533 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=-1} Honda state: {ULTIMATE.start_test_~op1~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-16 09:56:24,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,548 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-16 09:56:24,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Honda state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-16 09:56:24,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,580 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-16 09:56:24,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,595 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,595 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Honda state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-16 09:56:24,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,611 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-16 09:56:24,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,624 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,624 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op5~0#1=4} Honda state: {ULTIMATE.start_test_~op5~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-16 09:56:24,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,640 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-16 09:56:24,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,654 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:56:24,654 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=4} Honda state: {ULTIMATE.start_test_~op3~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:56:24,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-16 09:56:24,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,669 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-16 09:56:24,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:56:24,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:24,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,704 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-16 09:56:24,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:56:24,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:56:24,732 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:56:24,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:24,735 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:56:24,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:56:24,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:56:24,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:56:24,735 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:56:24,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:56:24,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:56:24,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration4_Loop [2021-12-16 09:56:24,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:56:24,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:56:24,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:56:24,872 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:56:24,873 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:56:24,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,879 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:24,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-16 09:56:24,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:24,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:24,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:24,898 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:24,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:24,899 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:24,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:24,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:24,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-16 09:56:24,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,916 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-16 09:56:24,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:24,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:24,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:24,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:24,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:24,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:24,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:24,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:24,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:24,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:24,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,947 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-16 09:56:24,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:24,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:24,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:24,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:24,956 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:24,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:24,956 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:24,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:24,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:24,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-16 09:56:24,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,973 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:24,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-16 09:56:24,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:24,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:24,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:24,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:24,981 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:24,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:24,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:24,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:24,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:24,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-16 09:56:24,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:24,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:24,999 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:25,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-16 09:56:25,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:25,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:25,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:25,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:25,007 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:25,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:25,008 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:25,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:25,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:25,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:25,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:25,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:25,025 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:25,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-16 09:56:25,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:25,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:25,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:25,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:25,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:25,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:25,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:25,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:25,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:25,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:25,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:25,068 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:25,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-16 09:56:25,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:25,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:25,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:25,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:25,105 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:25,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:25,106 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:25,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:25,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:25,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-16 09:56:25,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:25,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:25,123 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:25,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-16 09:56:25,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:25,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:25,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:25,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:25,131 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:56:25,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:25,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:56:25,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:25,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:56:25,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:25,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:25,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:25,149 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:25,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-16 09:56:25,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:56:25,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:56:25,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:56:25,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:56:25,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:56:25,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:56:25,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:56:25,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:56:25,159 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:56:25,160 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:56:25,160 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:56:25,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:56:25,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:56:25,161 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:56:25,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-16 09:56:25,163 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:56:25,163 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:56:25,163 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:56:25,163 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-12-16 09:56:25,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-16 09:56:25,196 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:56:25,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:56:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:25,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:56:25,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:56:25,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:56:25,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:56:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:56:25,450 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:56:25,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2409 states and 4327 transitions. cyclomatic complexity: 1927 Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:25,481 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2409 states and 4327 transitions. cyclomatic complexity: 1927. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5293 states and 9541 transitions. Complement of second has 6 states. [2021-12-16 09:56:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:56:25,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2021-12-16 09:56:25,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 530 transitions. Stem has 32 letters. Loop has 15 letters. [2021-12-16 09:56:25,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:25,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 530 transitions. Stem has 47 letters. Loop has 15 letters. [2021-12-16 09:56:25,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:25,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 530 transitions. Stem has 32 letters. Loop has 30 letters. [2021-12-16 09:56:25,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:56:25,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5293 states and 9541 transitions. [2021-12-16 09:56:25,500 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:56:25,500 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5293 states to 0 states and 0 transitions. [2021-12-16 09:56:25,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 09:56:25,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 09:56:25,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 09:56:25,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:56:25,501 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:56:25,501 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:56:25,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:56:25,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:56:25,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:56:25,501 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:56:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:56:25,501 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-16 09:56:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 09:56:25,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:56:25,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 09:56:25,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 09:56:25,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:56:25,502 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 09:56:25,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 09:56:25,502 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:56:25,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 09:56:25,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:56:25 BoogieIcfgContainer [2021-12-16 09:56:25,507 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:56:25,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:56:25,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:56:25,507 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:56:25,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:56:20" (3/4) ... [2021-12-16 09:56:25,509 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 09:56:25,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:56:25,509 INFO L158 Benchmark]: Toolchain (without parser) took 7254.35ms. Allocated memory was 96.5MB in the beginning and 268.4MB in the end (delta: 172.0MB). Free memory was 74.5MB in the beginning and 137.0MB in the end (delta: -62.5MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2021-12-16 09:56:25,509 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:56:25,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.44ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 43.0MB in the end (delta: 31.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-12-16 09:56:25,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.86ms. Allocated memory is still 96.5MB. Free memory was 42.8MB in the beginning and 59.8MB in the end (delta: -17.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-12-16 09:56:25,510 INFO L158 Benchmark]: Boogie Preprocessor took 84.89ms. Allocated memory is still 96.5MB. Free memory was 59.8MB in the beginning and 50.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 09:56:25,510 INFO L158 Benchmark]: RCFGBuilder took 1343.25ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 50.2MB in the beginning and 77.3MB in the end (delta: -27.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-12-16 09:56:25,510 INFO L158 Benchmark]: BuchiAutomizer took 5229.68ms. Allocated memory was 136.3MB in the beginning and 268.4MB in the end (delta: 132.1MB). Free memory was 76.6MB in the beginning and 137.0MB in the end (delta: -60.4MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2021-12-16 09:56:25,510 INFO L158 Benchmark]: Witness Printer took 1.98ms. Allocated memory is still 268.4MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:56:25,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.44ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 43.0MB in the end (delta: 31.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.86ms. Allocated memory is still 96.5MB. Free memory was 42.8MB in the beginning and 59.8MB in the end (delta: -17.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.89ms. Allocated memory is still 96.5MB. Free memory was 59.8MB in the beginning and 50.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1343.25ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 50.2MB in the beginning and 77.3MB in the end (delta: -27.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5229.68ms. Allocated memory was 136.3MB in the beginning and 268.4MB in the end (delta: 132.1MB). Free memory was 76.6MB in the beginning and 137.0MB in the end (delta: -60.4MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Witness Printer took 1.98ms. Allocated memory is still 268.4MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (4 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op6 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 5492 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 2409 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7268 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7264 mSDsluCounter, 17446 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9699 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 7747 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital53 mio100 ax100 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf122 smp100 tf107 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-16 09:56:25,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-16 09:56:25,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE