./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18d9c4eb49bcfbad00b16e4c52915ece2e20abb9b599480aaed1e3c1557875b0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:31:19,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:31:19,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:31:19,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:31:19,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:31:19,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:31:19,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:31:19,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:31:19,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:31:19,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:31:19,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:31:19,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:31:19,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:31:19,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:31:19,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:31:19,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:31:19,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:31:19,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:31:19,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:31:19,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:31:19,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:31:19,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:31:19,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:31:19,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:31:19,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:31:19,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:31:19,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:31:19,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:31:19,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:31:19,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:31:19,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:31:19,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:31:19,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:31:19,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:31:19,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:31:19,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:31:19,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:31:19,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:31:19,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:31:19,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:31:19,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:31:19,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:31:19,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:31:19,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:31:19,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:31:19,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:31:19,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:31:19,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:31:19,655 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:31:19,655 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:31:19,655 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:31:19,656 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:31:19,656 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:31:19,657 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:31:19,657 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:31:19,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:31:19,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:31:19,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:31:19,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:31:19,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:31:19,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:31:19,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:31:19,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:31:19,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:31:19,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:31:19,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:31:19,659 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:31:19,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:31:19,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:31:19,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:31:19,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:31:19,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:31:19,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:31:19,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:31:19,662 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:31:19,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18d9c4eb49bcfbad00b16e4c52915ece2e20abb9b599480aaed1e3c1557875b0 [2021-12-21 22:31:19,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:31:19,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:31:19,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:31:19,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:31:19,929 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:31:19,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2021-12-21 22:31:19,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d832fdb9/ff1a66520e184806bc6ae224016c0dcf/FLAG33acdb6e5 [2021-12-21 22:31:20,537 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:31:20,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2021-12-21 22:31:20,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d832fdb9/ff1a66520e184806bc6ae224016c0dcf/FLAG33acdb6e5 [2021-12-21 22:31:20,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d832fdb9/ff1a66520e184806bc6ae224016c0dcf [2021-12-21 22:31:20,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:31:20,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:31:20,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:31:20,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:31:20,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:31:20,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:31:20" (1/1) ... [2021-12-21 22:31:20,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394ea321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:20, skipping insertion in model container [2021-12-21 22:31:20,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:31:20" (1/1) ... [2021-12-21 22:31:20,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:31:20,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:31:21,119 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_spec3_productSimulator.cil.c[9250,9263] [2021-12-21 22:31:21,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:31:21,433 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:31:21,464 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_spec3_productSimulator.cil.c[9250,9263] [2021-12-21 22:31:21,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:31:21,582 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:31:21,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21 WrapperNode [2021-12-21 22:31:21,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:31:21,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:31:21,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:31:21,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:31:21,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:21,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:24,396 INFO L137 Inliner]: procedures = 152, calls = 292, calls flagged for inlining = 193, calls inlined = 18317, statements flattened = 249346 [2021-12-21 22:31:24,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:31:24,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:31:24,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:31:24,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:31:24,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:24,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:25,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:25,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:27,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:27,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:28,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:29,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:31:29,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:31:29,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:31:29,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:31:29,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (1/1) ... [2021-12-21 22:31:29,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:29,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:29,076 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) [2021-12-21 22:31:29,099 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 [2021-12-21 22:31:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-21 22:31:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:31:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:31:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:31:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:31:29,393 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:31:29,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:32:04,053 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:32:04,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:32:04,206 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:32:04,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:04 BoogieIcfgContainer [2021-12-21 22:32:04,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:32:04,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:32:04,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:32:04,248 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:32:04,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:04,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:31:20" (1/3) ... [2021-12-21 22:32:04,250 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@734442ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:04, skipping insertion in model container [2021-12-21 22:32:04,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:04,250 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:31:21" (2/3) ... [2021-12-21 22:32:04,250 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@734442ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:04, skipping insertion in model container [2021-12-21 22:32:04,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:04,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:04" (3/3) ... [2021-12-21 22:32:04,253 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2021-12-21 22:32:04,292 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:32:04,292 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:32:04,293 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:32:04,293 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:32:04,293 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:32:04,293 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:32:04,293 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:32:04,293 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:32:04,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40726 states, 40725 states have (on average 1.5439410681399632) internal successors, (62877), 40725 states have internal predecessors, (62877), 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) [2021-12-21 22:32:05,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-21 22:32:05,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:05,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:05,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:05,441 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:05,441 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:32:05,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40726 states, 40725 states have (on average 1.5439410681399632) internal successors, (62877), 40725 states have internal predecessors, (62877), 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) [2021-12-21 22:32:06,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-21 22:32:06,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:06,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:06,319 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:06,320 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:06,335 INFO L791 eck$LassoCheckResult]: Stem: 28669#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(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(12, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(18, 7);call #Ultimate.allocInit(16, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(13, 10);call #Ultimate.allocInit(16, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(4, 13);call write~init~int(37, 13, 0, 1);call write~init~int(115, 13, 1, 1);call write~init~int(10, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(21, 16);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(25, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(10, 26);call #Ultimate.allocInit(34, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(16, 29);call #Ultimate.allocInit(20, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(21, 32);call #Ultimate.allocInit(44, 33);call #Ultimate.allocInit(44, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(11, 37);call #Ultimate.allocInit(19, 38);call #Ultimate.allocInit(4, 39);call write~init~int(37, 39, 0, 1);call write~init~int(100, 39, 1, 1);call write~init~int(10, 39, 2, 1);call write~init~int(0, 39, 3, 1);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(100, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);call #Ultimate.allocInit(13, 41);call #Ultimate.allocInit(16, 42);call #Ultimate.allocInit(15, 43);call #Ultimate.allocInit(16, 44);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 25404#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret111#1, main_~retValue_acc~44#1, main_~tmp~25#1;havoc main_~retValue_acc~44#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 1233#L314true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret27#1, select_features_#t~ret28#1, select_features_#t~ret29#1, select_features_#t~ret30#1, select_features_#t~ret31#1, select_features_#t~ret32#1, select_features_#t~ret33#1, select_features_#t~ret34#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 24802#L287true select_features_#t~ret27#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret27#1;havoc select_features_#t~ret27#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 29826#L287-1true select_features_#t~ret28#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret28#1;havoc select_features_#t~ret28#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 30577#L287-2true select_features_#t~ret29#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret29#1;havoc select_features_#t~ret29#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 30453#L287-3true select_features_#t~ret30#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret30#1;havoc select_features_#t~ret30#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 20561#L287-4true select_features_#t~ret31#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret31#1;havoc select_features_#t~ret31#1;~__SELECTED_FEATURE_Sign~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 39234#L287-5true select_features_#t~ret32#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret32#1;havoc select_features_#t~ret32#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 13189#L287-6true select_features_#t~ret33#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret33#1;havoc select_features_#t~ret33#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet26#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet26#1;havoc select_one_#t~nondet26#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 16197#L287-7true select_features_#t~ret34#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret34#1;havoc select_features_#t~ret34#1; 33184#L306true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1, valid_product_~tmp~5#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~tmp~5#1; 14998#L322true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 204#L325true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~5#1 := 0; 20551#L325-1true valid_product_~retValue_acc~6#1 := valid_product_~tmp~5#1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 6550#L382true main_#t~ret111#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret111#1;havoc main_#t~ret111#1; 12092#L3294true assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet108#1, setup_#t~nondet109#1, setup_#t~nondet110#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_tmp3~4#1.base, setup_~__cil_tmp3~4#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_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 1183#L3138true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_bob__before__Keys } true;setup_bob__before__Keys_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__before__Keys_~bob___0#1;setup_bob__before__Keys_~bob___0#1 := setup_bob__before__Keys_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__before__Keys_~bob___0#1, setup_bob__before__Keys_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 32678#L3085-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 33193#L3091-5true assume { :end_inline_setClientId } true; 5770#L3120-1true assume { :end_inline_setup_bob__before__Keys } true; 26166#L3147true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 35, 0;havoc setup_#t~nondet108#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; 12727#L3176true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_rjh__before__Keys } true;setup_rjh__before__Keys_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__before__Keys_~rjh___0#1;setup_rjh__before__Keys_~rjh___0#1 := setup_rjh__before__Keys_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__before__Keys_~rjh___0#1, setup_rjh__before__Keys_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 14715#L3085-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 36227#L3091-11true assume { :end_inline_setClientId } true; 27337#L3158-1true assume { :end_inline_setup_rjh__before__Keys } true; 8526#L3185true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 36, 0;havoc setup_#t~nondet109#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; 1293#L3214true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_chuck__before__Keys } true;setup_chuck__before__Keys_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__before__Keys_~chuck___0#1;setup_chuck__before__Keys_~chuck___0#1 := setup_chuck__before__Keys_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__before__Keys_~chuck___0#1, setup_chuck__before__Keys_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 19654#L3085-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 25324#L3091-17true assume { :end_inline_setClientId } true; 27336#L3196-1true assume { :end_inline_setup_chuck__before__Keys } true; 6112#L3223true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 37, 0;havoc setup_#t~nondet110#1; 25559#L3281true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet90#1, test_#t~nondet91#1, test_#t~nondet92#1, test_#t~nondet93#1, test_#t~nondet94#1, test_#t~nondet95#1, test_#t~nondet96#1, test_#t~nondet97#1, test_#t~nondet98#1, test_#t~nondet99#1, test_#t~nondet100#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~21#1, test_~tmp___0~7#1, test_~tmp___1~4#1, test_~tmp___2~4#1, test_~tmp___3~1#1, test_~tmp___4~1#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~21#1;havoc test_~tmp___0~7#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~4#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#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; 7475#L1996-1true [2021-12-21 22:32:06,336 INFO L793 eck$LassoCheckResult]: Loop: 7475#L1996-1true assume !false; 5674#L1805true assume test_~splverifierCounter~0#1 < 4; 23330#L1806true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 22184#L1812true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet90#1;havoc test_#t~nondet90#1; 19262#L1816true assume 0 != test_~tmp___9~0#1; 12687#L1817true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 13624#L1817-2true test_~op1~0#1 := 1; 7475#L1996-1true [2021-12-21 22:32:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:06,343 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-21 22:32:06,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:06,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966530345] [2021-12-21 22:32:06,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:06,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:32:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:32:06,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:32:06,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966530345] [2021-12-21 22:32:06,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966530345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:32:06,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:32:06,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:32:06,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359900452] [2021-12-21 22:32:06,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:32:06,696 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:32:06,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-21 22:32:06,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:06,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155012554] [2021-12-21 22:32:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:06,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:06,705 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:06,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:06,816 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:32:06,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:32:06,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:32:06,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:32:06,818 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-21 22:32:06,818 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:06,818 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:32:06,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:32:06,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2021-12-21 22:32:06,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:32:06,819 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:32:06,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:06,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:06,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:06,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:06,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:32:06,921 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-21 22:32:06,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:06,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:06,925 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) [2021-12-21 22:32:06,928 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 [2021-12-21 22:32:06,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 22:32:06,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 22:32:06,957 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 22:32:06,957 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 22:32:06,985 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 [2021-12-21 22:32:06,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:06,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:06,987 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) [2021-12-21 22:32:07,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 22:32:07,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 22:32:07,011 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 [2021-12-21 22:32:07,044 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 [2021-12-21 22:32:07,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:07,046 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) [2021-12-21 22:32:07,049 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 [2021-12-21 22:32:07,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-21 22:32:07,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 22:32:07,099 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-21 22:32:07,109 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 [2021-12-21 22:32:07,110 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:32:07,110 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:32:07,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:32:07,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:32:07,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:32:07,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:07,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:32:07,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:32:07,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2021-12-21 22:32:07,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:32:07,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:32:07,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:07,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:07,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:07,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:32:07,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:32:07,213 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:32:07,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:07,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:07,216 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) [2021-12-21 22:32:07,226 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 [2021-12-21 22:32:07,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:32:07,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:32:07,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:32:07,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:32:07,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:32:07,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:32:07,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:32:07,239 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 [2021-12-21 22:32:07,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:32:07,275 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 [2021-12-21 22:32:07,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:07,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:07,277 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) [2021-12-21 22:32:07,282 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 [2021-12-21 22:32:07,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:32:07,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:32:07,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:32:07,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:32:07,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:32:07,290 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 [2021-12-21 22:32:07,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:32:07,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:32:07,305 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:32:07,309 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-21 22:32:07,309 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-21 22:32:07,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:07,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:07,312 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) [2021-12-21 22:32:07,313 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 [2021-12-21 22:32:07,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:32:07,360 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 22:32:07,360 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:32:07,361 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 [] [2021-12-21 22:32:07,386 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 [2021-12-21 22:32:07,389 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-21 22:32:07,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:32:07,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:32:07,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:32:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:32:07,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 22:32:07,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:32:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:32:07,794 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 [2021-12-21 22:32:07,847 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 40726 states, 40725 states have (on average 1.5439410681399632) internal successors, (62877), 40725 states have internal predecessors, (62877), 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 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2021-12-21 22:32:08,853 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