./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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_spec27_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 fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:21:41,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:21:41,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:21:41,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:21:41,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:21:41,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:21:41,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:21:41,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:21:41,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:21:41,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:21:41,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:21:41,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:21:41,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:21:41,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:21:41,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:21:41,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:21:41,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:21:41,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:21:41,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:21:41,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:21:41,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:21:41,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:21:41,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:21:41,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:21:41,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:21:41,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:21:41,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:21:41,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:21:41,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:21:41,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:21:41,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:21:41,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:21:41,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:21:41,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:21:41,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:21:41,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:21:41,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:21:41,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:21:41,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:21:41,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:21:41,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:21:41,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:21:41,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:21:41,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:21:41,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:21:41,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:21:41,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:21:41,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:21:41,735 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:21:41,735 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:21:41,736 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:21:41,736 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:21:41,737 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:21:41,737 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:21:41,737 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:21:41,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:21:41,737 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:21:41,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:21:41,738 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:21:41,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:21:41,739 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:21:41,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:21:41,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:21:41,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:21:41,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:21:41,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:21:41,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:21:41,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:21:41,742 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:21:41,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 [2021-12-22 20:21:41,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:21:41,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:21:41,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:21:41,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:21:41,960 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:21:41,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-12-22 20:21:42,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723b1f4b9/d945cc5a202040919b10648f96583800/FLAGdd5def2b8 [2021-12-22 20:21:42,454 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:21:42,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-12-22 20:21:42,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723b1f4b9/d945cc5a202040919b10648f96583800/FLAGdd5def2b8 [2021-12-22 20:21:42,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723b1f4b9/d945cc5a202040919b10648f96583800 [2021-12-22 20:21:42,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:21:42,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:21:42,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:21:42,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:21:42,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:21:42,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:21:42" (1/1) ... [2021-12-22 20:21:42,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a008c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:42, skipping insertion in model container [2021-12-22 20:21:42,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:21:42" (1/1) ... [2021-12-22 20:21:42,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:21:42,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:21:43,057 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_spec27_productSimulator.cil.c[11237,11250] [2021-12-22 20:21:43,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:21:43,320 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:21:43,346 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_spec27_productSimulator.cil.c[11237,11250] [2021-12-22 20:21:43,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:21:43,424 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:21:43,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43 WrapperNode [2021-12-22 20:21:43,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:21:43,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:21:43,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:21:43,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:21:43,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:43,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:46,348 INFO L137 Inliner]: procedures = 151, calls = 284, calls flagged for inlining = 189, calls inlined = 20365, statements flattened = 293438 [2021-12-22 20:21:46,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:21:46,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:21:46,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:21:46,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:21:46,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:46,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:47,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:47,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:48,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:49,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:49,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:50,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:21:50,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:21:50,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:21:50,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:21:50,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (1/1) ... [2021-12-22 20:21:50,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:21:50,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:21:50,120 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) [2021-12-22 20:21:50,138 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 [2021-12-22 20:21:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-22 20:21:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:21:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:21:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:21:50,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:21:50,506 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:21:50,515 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:22:23,998 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:22:24,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:22:24,381 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 20:22:24,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:22:24 BoogieIcfgContainer [2021-12-22 20:22:24,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:22:24,421 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:22:24,421 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:22:24,423 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:22:24,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:22:24,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:21:42" (1/3) ... [2021-12-22 20:22:24,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36cef365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:22:24, skipping insertion in model container [2021-12-22 20:22:24,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:22:24,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:21:43" (2/3) ... [2021-12-22 20:22:24,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36cef365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:22:24, skipping insertion in model container [2021-12-22 20:22:24,426 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:22:24,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:22:24" (3/3) ... [2021-12-22 20:22:24,427 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2021-12-22 20:22:24,462 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:22:24,463 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:22:24,463 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:22:24,463 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:22:24,463 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:22:24,463 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:22:24,463 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:22:24,464 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:22:25,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 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) [2021-12-22 20:22:25,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-22 20:22:25,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:22:25,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:22:25,758 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] [2021-12-22 20:22:25,758 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:22:25,758 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:22:25,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 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) [2021-12-22 20:22:26,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-22 20:22:26,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:22:26,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:22:26,262 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] [2021-12-22 20:22:26,263 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:22:26,279 INFO L791 eck$LassoCheckResult]: Stem: 42350#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(36, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(10, 18);call #Ultimate.allocInit(34, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(20, 22);call #Ultimate.allocInit(22, 23);call #Ultimate.allocInit(21, 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(12, 34);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(18, 36);call #Ultimate.allocInit(16, 37);call #Ultimate.allocInit(21, 38);call #Ultimate.allocInit(13, 39);call #Ultimate.allocInit(16, 40);call #Ultimate.allocInit(25, 41);~head~0.base, ~head~0.offset := 0, 0;~__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;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 15380#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret93#1, main_~retValue_acc~39#1, main_~tmp~21#1;havoc main_~retValue_acc~39#1;havoc main_~tmp~21#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 43324#L489true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc 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, select_features_#t~ret35#1, select_features_#t~ret36#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 20036#L462true select_features_#t~ret29#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~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~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 45348#L462-1true select_features_#t~ret30#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~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~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 8764#L462-2true select_features_#t~ret31#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret31#1;havoc select_features_#t~ret31#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 30865#L462-3true select_features_#t~ret32#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~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~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 23737#L462-4true select_features_#t~ret33#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~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~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 42563#L462-5true select_features_#t~ret34#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret34#1;havoc select_features_#t~ret34#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 10885#L462-6true select_features_#t~ret35#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret35#1;havoc select_features_#t~ret35#1;~__SELECTED_FEATURE_Verify~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 35251#L462-7true select_features_#t~ret36#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret36#1;havoc select_features_#t~ret36#1; 32677#L481true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1, valid_product_~tmp~3#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~tmp~3#1; 43881#L497true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 1528#L500true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~3#1 := 0; 6821#L500-1true valid_product_~retValue_acc~5#1 := valid_product_~tmp~3#1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 45726#L557true main_#t~ret93#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~21#1 := main_#t~ret93#1;havoc main_#t~ret93#1; 5829#L3115true assume 0 != main_~tmp~21#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet90#1, setup_#t~nondet91#1, setup_#t~nondet92#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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; 42216#L2959true 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; 46589#L1625-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 19848#L1631-5true assume { :end_inline_setClientId } true; 37760#L2941-1true assume { :end_inline_setup_bob__before__Keys } true; 1198#L2968true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 27, 0;havoc setup_#t~nondet90#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; 867#L2997true 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; 4906#L1625-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9400#L1631-11true assume { :end_inline_setClientId } true; 25223#L2979-1true assume { :end_inline_setup_rjh__before__Keys } true; 46030#L3006true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 28, 0;havoc setup_#t~nondet91#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; 10304#L3035true 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; 3934#L1625-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 32837#L1631-17true assume { :end_inline_setClientId } true; 6797#L3017-1true assume { :end_inline_setup_chuck__before__Keys } true; 45451#L3044true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 29, 0;havoc setup_#t~nondet92#1; 23524#L3102true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#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~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 40744#L1884-1true [2021-12-22 20:22:26,279 INFO L793 eck$LassoCheckResult]: Loop: 40744#L1884-1true assume !false; 5619#L1693true assume test_~splverifierCounter~0#1 < 4; 39858#L1694true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 19156#L1700true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 37979#L1704true assume 0 != test_~tmp___9~0#1; 11953#L1705true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 38478#L1705-2true test_~op1~0#1 := 1; 40744#L1884-1true [2021-12-22 20:22:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:22:26,295 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-22 20:22:26,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:22:26,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647278581] [2021-12-22 20:22:26,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:22:26,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:22:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:22:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:22:26,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:22:26,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647278581] [2021-12-22 20:22:26,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647278581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:22:26,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:22:26,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:22:26,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490790700] [2021-12-22 20:22:26,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:22:26,565 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:22:26,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:22:26,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-22 20:22:26,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:22:26,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93825919] [2021-12-22 20:22:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:22:26,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:22:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:22:26,573 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:22:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:22:26,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:22:26,677 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:22:26,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:22:26,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:22:26,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:22:26,678 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:22:26,678 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:26,678 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:22:26,678 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:22:26,678 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-12-22 20:22:26,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:22:26,679 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:22:26,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:26,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:26,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:26,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:26,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:22:26,762 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:22:26,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:26,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:26,778 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) [2021-12-22 20:22:26,915 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 [2021-12-22 20:22:26,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:22:26,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:22:26,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:22:26,942 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: [] [2021-12-22 20:22:26,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-22 20:22:26,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:26,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:26,964 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) [2021-12-22 20:22:26,975 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 [2021-12-22 20:22:26,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:22:26,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:22:27,014 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 [2021-12-22 20:22:27,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:27,016 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) [2021-12-22 20:22:27,017 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 [2021-12-22 20:22:27,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:22:27,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:22:27,046 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:22:27,057 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 [2021-12-22 20:22:27,058 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:22:27,058 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:22:27,058 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:22:27,058 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:22:27,058 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:22:27,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:27,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:22:27,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:22:27,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-12-22 20:22:27,059 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:22:27,059 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:22:27,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:27,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:27,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:27,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:22:27,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:22:27,124 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:22:27,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:27,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:27,126 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) [2021-12-22 20:22:27,142 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 [2021-12-22 20:22:27,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:22:27,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:22:27,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:22:27,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:22:27,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:22:27,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:22:27,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:22:27,154 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 [2021-12-22 20:22:27,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:22:27,180 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 [2021-12-22 20:22:27,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:27,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:27,182 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) [2021-12-22 20:22:27,206 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 [2021-12-22 20:22:27,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:22:27,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:22:27,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:22:27,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:22:27,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:22:27,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:22:27,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:22:27,216 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 [2021-12-22 20:22:27,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:22:27,227 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 20:22:27,227 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-22 20:22:27,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:27,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:27,232 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) [2021-12-22 20:22:27,233 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 [2021-12-22 20:22:27,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:22:27,276 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:22:27,276 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:22:27,276 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 [] [2021-12-22 20:22:27,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-22 20:22:27,295 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:22:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:22:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:22:27,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:22:27,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:22:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:22:27,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 20:22:27,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:22:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:22:27,611 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 [2021-12-22 20:22:27,677 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 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) [2021-12-22 20:22:28,614 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 [2021-12-22 20:22:31,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 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) Result 147395 states and 232409 transitions. Complement of second has 7 states. [2021-12-22 20:22:31,344 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 [2021-12-22 20:22:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-12-22 20:22:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 155318 transitions. [2021-12-22 20:22:31,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 155318 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-22 20:22:31,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:22:31,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 155318 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-22 20:22:31,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:22:31,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 155318 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-22 20:22:31,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:22:31,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147395 states and 232409 transitions. [2021-12-22 20:22:32,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:22:32,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147395 states to 0 states and 0 transitions. [2021-12-22 20:22:32,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:22:32,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:22:32,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:22:32,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:22:32,535 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:22:32,535 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:22:32,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:22:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:22:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:22:32,541 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:22:32,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:22:32,543 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-22 20:22:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 20:22:32,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-22 20:22:32,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:22:32,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 20:22:32,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:22:32,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:22:32,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:22:32,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:22:32,544 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:22:32,544 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:22:32,544 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:22:32,544 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:22:32,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 20:22:32,544 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:22:32,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:22:32,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:22:32 BoogieIcfgContainer [2021-12-22 20:22:32,550 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:22:32,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:22:32,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:22:32,551 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:22:32,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:22:24" (3/4) ... [2021-12-22 20:22:32,557 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:22:32,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:22:32,558 INFO L158 Benchmark]: Toolchain (without parser) took 49774.47ms. Allocated memory was 86.0MB in the beginning and 10.1GB in the end (delta: 10.0GB). Free memory was 51.6MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2021-12-22 20:22:32,559 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:22:32,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.3MB in the beginning and 74.7MB in the end (delta: -23.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-12-22 20:22:32,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 2923.38ms. Allocated memory was 104.9MB in the beginning and 1.0GB in the end (delta: 926.9MB). Free memory was 74.7MB in the beginning and 609.5MB in the end (delta: -534.9MB). Peak memory consumption was 465.1MB. Max. memory is 16.1GB. [2021-12-22 20:22:32,578 INFO L158 Benchmark]: Boogie Preprocessor took 3743.61ms. Allocated memory was 1.0GB in the beginning and 3.1GB in the end (delta: 2.1GB). Free memory was 609.5MB in the beginning and 2.3GB in the end (delta: -1.7GB). Peak memory consumption was 366.0MB. Max. memory is 16.1GB. [2021-12-22 20:22:32,579 INFO L158 Benchmark]: RCFGBuilder took 34324.26ms. Allocated memory was 3.1GB in the beginning and 10.1GB in the end (delta: 7.0GB). Free memory was 2.3GB in the beginning and 8.6GB in the end (delta: -6.3GB). Peak memory consumption was 859.8MB. Max. memory is 16.1GB. [2021-12-22 20:22:32,579 INFO L158 Benchmark]: BuchiAutomizer took 8129.55ms. Allocated memory is still 10.1GB. Free memory was 8.6GB in the beginning and 8.2GB in the end (delta: 394.3MB). Peak memory consumption was 390.1MB. Max. memory is 16.1GB. [2021-12-22 20:22:32,581 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 10.1GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:22:32,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.3MB in the beginning and 74.7MB in the end (delta: -23.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2923.38ms. Allocated memory was 104.9MB in the beginning and 1.0GB in the end (delta: 926.9MB). Free memory was 74.7MB in the beginning and 609.5MB in the end (delta: -534.9MB). Peak memory consumption was 465.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3743.61ms. Allocated memory was 1.0GB in the beginning and 3.1GB in the end (delta: 2.1GB). Free memory was 609.5MB in the beginning and 2.3GB in the end (delta: -1.7GB). Peak memory consumption was 366.0MB. Max. memory is 16.1GB. * RCFGBuilder took 34324.26ms. Allocated memory was 3.1GB in the beginning and 10.1GB in the end (delta: 7.0GB). Free memory was 2.3GB in the beginning and 8.6GB in the end (delta: -6.3GB). Peak memory consumption was 859.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 8129.55ms. Allocated memory is still 10.1GB. Free memory was 8.6GB in the beginning and 8.2GB in the end (delta: 394.3MB). Peak memory consumption was 390.1MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 10.1GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 1.0MB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 4.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 1.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77212 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77211 mSDsluCounter, 231379 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154168 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 77211 mSDtfsCounter, 6 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 20:22:32,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE