./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec4_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_spec4_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 cf397912a53dab4d44f4df9c274fc7c69b1023a0a0a29a356bc73a744537daa6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:22:15,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:22:15,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:22:15,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:22:15,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:22:15,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:22:15,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:22:15,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:22:15,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:22:15,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:22:15,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:22:15,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:22:15,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:22:15,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:22:15,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:22:15,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:22:15,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:22:15,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:22:15,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:22:15,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:22:15,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:22:15,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:22:15,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:22:15,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:22:15,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:22:15,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:22:15,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:22:15,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:22:15,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:22:15,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:22:15,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:22:15,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:22:15,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:22:15,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:22:15,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:22:15,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:22:15,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:22:15,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:22:15,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:22:15,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:22:15,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:22:15,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:22:15,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:22:15,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:22:15,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:22:15,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:22:15,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:22:15,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:22:15,812 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:22:15,812 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:22:15,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:22:15,812 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:22:15,813 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:22:15,813 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:22:15,813 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:22:15,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:22:15,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:22:15,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:22:15,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:22:15,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:22:15,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:22:15,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:22:15,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:22:15,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:22:15,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:22:15,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:22:15,816 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:22:15,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:22:15,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:22:15,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:22:15,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:22:15,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:22:15,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:22:15,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:22:15,818 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:22:15,818 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf397912a53dab4d44f4df9c274fc7c69b1023a0a0a29a356bc73a744537daa6 [2021-12-22 20:22:16,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:22:16,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:22:16,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:22:16,059 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:22:16,060 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:22:16,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2021-12-22 20:22:16,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ea949e0/061c19fdbb29477e9eef3ed85b311eb7/FLAG3222c625b [2021-12-22 20:22:16,662 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:22:16,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2021-12-22 20:22:16,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ea949e0/061c19fdbb29477e9eef3ed85b311eb7/FLAG3222c625b [2021-12-22 20:22:17,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ea949e0/061c19fdbb29477e9eef3ed85b311eb7 [2021-12-22 20:22:17,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:22:17,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:22:17,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:22:17,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:22:17,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:22:17,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:17,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bed90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17, skipping insertion in model container [2021-12-22 20:22:17,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:17,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:22:17,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:22:17,568 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_spec4_productSimulator.cil.c[18883,18896] [2021-12-22 20:22:17,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:22:17,764 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:22:17,794 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_spec4_productSimulator.cil.c[18883,18896] [2021-12-22 20:22:17,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:22:17,890 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:22:17,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17 WrapperNode [2021-12-22 20:22:17,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:22:17,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:22:17,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:22:17,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:22:17,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:17,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:20,708 INFO L137 Inliner]: procedures = 151, calls = 283, calls flagged for inlining = 188, calls inlined = 17933, statements flattened = 241566 [2021-12-22 20:22:20,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:22:20,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:22:20,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:22:20,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:22:20,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:20,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:21,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:21,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:23,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:23,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:24,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:24,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:22:24,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:22:24,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:22:24,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:22:24,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (1/1) ... [2021-12-22 20:22:24,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:24,908 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 20:22:24,910 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 20:22:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-22 20:22:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:22:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:22:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:22:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:22:25,306 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:22:25,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:22:58,394 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:22:58,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:22:58,547 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 20:22:58,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:22:58 BoogieIcfgContainer [2021-12-22 20:22:58,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:22:58,586 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:22:58,586 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:22:58,589 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:22:58,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:22:58,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:22:17" (1/3) ... [2021-12-22 20:22:58,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3cbf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:22:58, skipping insertion in model container [2021-12-22 20:22:58,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:22:58,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:17" (2/3) ... [2021-12-22 20:22:58,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3cbf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:22:58, skipping insertion in model container [2021-12-22 20:22:58,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:22:58,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:22:58" (3/3) ... [2021-12-22 20:22:58,593 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2021-12-22 20:22:58,638 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:22:58,638 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:22:58,639 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:22:58,639 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:22:58,639 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:22:58,639 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:22:58,639 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:22:58,639 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:22:59,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39254 states, 39253 states have (on average 1.5390670776755917) internal successors, (60413), 39253 states have internal predecessors, (60413), 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 20:22:59,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-22 20:22:59,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:22:59,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:22:59,868 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 20:22:59,869 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:22:59,869 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:22:59,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39254 states, 39253 states have (on average 1.5390670776755917) internal successors, (60413), 39253 states have internal predecessors, (60413), 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 20:23:00,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-22 20:23:00,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:00,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:00,265 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 20:23:00,265 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:00,281 INFO L791 eck$LassoCheckResult]: Stem: 27408#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(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(10, 5);call #Ultimate.allocInit(34, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(16, 8);call #Ultimate.allocInit(20, 9);call #Ultimate.allocInit(22, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(44, 12);call #Ultimate.allocInit(44, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(11, 16);call #Ultimate.allocInit(19, 17);call #Ultimate.allocInit(4, 18);call write~init~int(37, 18, 0, 1);call write~init~int(100, 18, 1, 1);call write~init~int(10, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(37, 19, 0, 1);call write~init~int(100, 19, 1, 1);call write~init~int(10, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(21, 25);call #Ultimate.allocInit(13, 26);call #Ultimate.allocInit(16, 27);call #Ultimate.allocInit(25, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(21, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);call #Ultimate.allocInit(30, 38);call #Ultimate.allocInit(9, 39);call #Ultimate.allocInit(25, 40);call #Ultimate.allocInit(13, 41);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 24078#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret66#1, main_~retValue_acc~36#1, main_~tmp~17#1;havoc main_~retValue_acc~36#1;havoc main_~tmp~17#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 9380#L2056true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1, select_features_#t~ret54#1, select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 29155#L2029true select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 5460#L2029-1true select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 8428#L2029-2true select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 31192#L2029-3true select_features_#t~ret53#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 23742#L2029-4true select_features_#t~ret54#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret54#1;havoc select_features_#t~ret54#1;~__SELECTED_FEATURE_Sign~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 24724#L2029-5true select_features_#t~ret55#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 38430#L2029-6true select_features_#t~ret56#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet49#1, select_one_~retValue_acc~23#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~23#1;select_one_~choice~0#1 := select_one_#t~nondet49#1;havoc select_one_#t~nondet49#1;select_one_~retValue_acc~23#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~23#1; 31524#L2029-7true select_features_#t~ret57#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1; 37458#L2048true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~24#1, valid_product_~tmp~15#1;havoc valid_product_~retValue_acc~24#1;havoc valid_product_~tmp~15#1; 16478#L2064true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 14158#L2067true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~15#1 := 0; 22825#L2067-1true valid_product_~retValue_acc~24#1 := valid_product_~tmp~15#1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 36566#L2124true main_#t~ret66#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~17#1 := main_#t~ret66#1;havoc main_#t~ret66#1; 31938#L2720true assume 0 != main_~tmp~17#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet63#1, setup_#t~nondet64#1, setup_#t~nondet65#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; 34524#L2564true 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; 37850#L2002-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 8392#L2008-5true assume { :end_inline_setClientId } true; 15916#L2546-1true assume { :end_inline_setup_bob__before__Keys } true; 21164#L2573true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 14, 0;havoc setup_#t~nondet63#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; 25621#L2602true 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; 32159#L2002-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 12384#L2008-11true assume { :end_inline_setClientId } true; 8386#L2584-1true assume { :end_inline_setup_rjh__before__Keys } true; 10313#L2611true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 15, 0;havoc setup_#t~nondet64#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; 29921#L2640true 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; 6003#L2002-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 22554#L2008-17true assume { :end_inline_setClientId } true; 1337#L2622-1true assume { :end_inline_setup_chuck__before__Keys } true; 33964#L2649true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 16, 0;havoc setup_#t~nondet65#1; 4178#L2707true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#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~0#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~0#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; 12511#L301-1true [2021-12-22 20:23:00,281 INFO L793 eck$LassoCheckResult]: Loop: 12511#L301-1true assume !false; 8812#L110true assume test_~splverifierCounter~0#1 < 4; 37647#L111true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 7199#L117true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 5202#L121true assume 0 != test_~tmp___9~0#1; 26082#L122true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 37446#L122-2true test_~op1~0#1 := 1; 12511#L301-1true [2021-12-22 20:23:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:00,294 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-22 20:23:00,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:00,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649832622] [2021-12-22 20:23:00,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:00,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:00,609 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 20:23:00,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:23:00,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649832622] [2021-12-22 20:23:00,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649832622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:23:00,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:23:00,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:23:00,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170386620] [2021-12-22 20:23:00,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:23:00,616 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:23:00,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:00,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-22 20:23:00,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:00,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601342980] [2021-12-22 20:23:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:00,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:00,659 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:00,688 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:00,769 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:23:00,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:23:00,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:23:00,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:23:00,769 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:23:00,770 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:00,770 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:23:00,770 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:23:00,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration1_Loop [2021-12-22 20:23:00,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:23:00,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:23:00,785 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 20:23:00,789 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 20:23:00,793 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 20:23:00,797 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 20:23:00,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:23:00,856 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:23:00,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:00,860 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 20:23:00,863 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 20:23:00,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:23:00,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:00,877 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:23:00,878 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 20:23:00,893 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 20:23:00,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:00,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:00,895 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 20:23:00,896 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 20:23:00,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:23:00,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:00,925 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 20:23:00,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:00,926 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 20:23:00,931 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 20:23:00,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:23:00,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:00,975 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:23:00,983 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 20:23:00,983 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:23:00,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:23:00,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:23:00,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:23:00,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:23:00,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:00,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:23:00,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:23:00,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration1_Loop [2021-12-22 20:23:00,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:23:00,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:23:00,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:00,990 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 20:23:00,995 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 20:23:01,003 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 20:23:01,048 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:23:01,052 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:23:01,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:01,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:01,054 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 20:23:01,064 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 20:23:01,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:23:01,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:23:01,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:23:01,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:23:01,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:23:01,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:23:01,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:23:01,077 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 20:23:01,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:23:01,112 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 20:23:01,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:01,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:01,114 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 20:23:01,126 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 20:23:01,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:23:01,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:23:01,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:23:01,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:23:01,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:23:01,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:23:01,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:23:01,139 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 20:23:01,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:23:01,160 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 20:23:01,160 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-22 20:23:01,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:01,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:01,163 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 20:23:01,165 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 20:23:01,168 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:23:01,168 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:23:01,168 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:23:01,169 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 20:23:01,195 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 [2021-12-22 20:23:01,198 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:23:01,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:01,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:23:01,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:23:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:01,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 20:23:01,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:23:01,544 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 20:23:01,575 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 20:23:01,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39254 states, 39253 states have (on average 1.5390670776755917) internal successors, (60413), 39253 states have internal predecessors, (60413), 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 20:23:01,951 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 20:23:05,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39254 states, 39253 states have (on average 1.5390670776755917) internal successors, (60413), 39253 states have internal predecessors, (60413), 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 117251 states and 180377 transitions. Complement of second has 7 states. [2021-12-22 20:23:05,042 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 20:23:05,049 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 20:23:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120150 transitions. [2021-12-22 20:23:05,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120150 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-22 20:23:05,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:23:05,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120150 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-22 20:23:05,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:23:05,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120150 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-22 20:23:05,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:23:05,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117251 states and 180377 transitions. [2021-12-22 20:23:05,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:23:05,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117251 states to 0 states and 0 transitions. [2021-12-22 20:23:05,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:23:05,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:23:05,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:23:05,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:05,865 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:05,865 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:05,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:23:05,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:23:05,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:23:05,870 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 20:23:05,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:23:05,872 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-22 20:23:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 20:23:05,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-22 20:23:05,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:23:05,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 20:23:05,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:23:05,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:23:05,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:23:05,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:05,874 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:05,874 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:05,874 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:05,874 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:23:05,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 20:23:05,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:23:05,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:23:05,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:23:05 BoogieIcfgContainer [2021-12-22 20:23:05,882 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:23:05,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:23:05,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:23:05,883 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:23:05,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:22:58" (3/4) ... [2021-12-22 20:23:05,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:23:05,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:23:05,887 INFO L158 Benchmark]: Toolchain (without parser) took 48744.28ms. Allocated memory was 109.1MB in the beginning and 8.8GB in the end (delta: 8.7GB). Free memory was 80.0MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-12-22 20:23:05,887 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:05,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.84ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 79.8MB in the beginning and 104.4MB in the end (delta: -24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:05,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 2817.00ms. Allocated memory was 159.4MB in the beginning and 759.2MB in the end (delta: 599.8MB). Free memory was 103.8MB in the beginning and 392.5MB in the end (delta: -288.7MB). Peak memory consumption was 342.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:05,889 INFO L158 Benchmark]: Boogie Preprocessor took 4148.50ms. Allocated memory was 759.2MB in the beginning and 2.3GB in the end (delta: 1.5GB). Free memory was 392.5MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 305.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:05,890 INFO L158 Benchmark]: RCFGBuilder took 33724.84ms. Allocated memory was 2.3GB in the beginning and 8.8GB in the end (delta: 6.5GB). Free memory was 1.7GB in the beginning and 7.5GB in the end (delta: -5.9GB). Peak memory consumption was 831.5MB. Max. memory is 16.1GB. [2021-12-22 20:23:05,890 INFO L158 Benchmark]: BuchiAutomizer took 7296.32ms. Allocated memory is still 8.8GB. Free memory was 7.5GB in the beginning and 7.1GB in the end (delta: 413.1MB). Peak memory consumption was 412.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:05,890 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 8.8GB. Free memory is still 7.1GB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:05,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.84ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 79.8MB in the beginning and 104.4MB in the end (delta: -24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2817.00ms. Allocated memory was 159.4MB in the beginning and 759.2MB in the end (delta: 599.8MB). Free memory was 103.8MB in the beginning and 392.5MB in the end (delta: -288.7MB). Peak memory consumption was 342.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 4148.50ms. Allocated memory was 759.2MB in the beginning and 2.3GB in the end (delta: 1.5GB). Free memory was 392.5MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 305.1MB. Max. memory is 16.1GB. * RCFGBuilder took 33724.84ms. Allocated memory was 2.3GB in the beginning and 8.8GB in the end (delta: 6.5GB). Free memory was 1.7GB in the beginning and 7.5GB in the end (delta: -5.9GB). Peak memory consumption was 831.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7296.32ms. Allocated memory is still 8.8GB. Free memory was 7.5GB in the beginning and 7.1GB in the end (delta: 413.1MB). Peak memory consumption was 412.1MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 8.8GB. Free memory is still 7.1GB. 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 7.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 4.0s. 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 0.6s 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, 60348 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60347 mSDsluCounter, 180787 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120440 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 60347 mSDtfsCounter, 6 mSolverCounterSat, 0.4s 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: 35ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 20:23:05,944 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