./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec11_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 1c5af94617941f44648ac9498189d5e73562b4cbf6ae0ea00b10262137b50bb0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:30:23,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:30:23,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:30:23,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:30:23,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:30:23,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:30:23,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:30:23,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:30:23,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:30:23,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:30:23,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:30:23,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:30:23,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:30:23,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:30:23,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:30:23,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:30:23,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:30:23,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:30:23,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:30:23,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:30:23,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:30:23,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:30:23,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:30:23,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:30:23,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:30:23,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:30:23,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:30:23,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:30:23,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:30:23,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:30:23,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:30:23,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:30:23,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:30:23,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:30:23,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:30:23,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:30:23,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:30:23,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:30:23,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:30:23,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:30:23,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:30:23,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:30:23,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:30:23,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:30:23,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:30:23,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:30:23,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:30:23,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:30:23,980 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:30:23,981 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:30:23,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:30:23,981 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:30:23,982 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:30:23,982 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:30:23,982 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:30:23,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:30:23,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:30:23,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:30:23,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:30:23,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:30:23,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:30:23,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:30:23,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:30:23,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:30:23,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:30:23,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:30:23,985 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:30:23,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:30:23,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:30:23,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:30:23,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:30:23,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:30:23,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:30:23,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:30:23,987 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:30:23,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5af94617941f44648ac9498189d5e73562b4cbf6ae0ea00b10262137b50bb0 [2021-12-21 22:30:24,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:30:24,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:30:24,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:30:24,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:30:24,282 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:30:24,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c [2021-12-21 22:30:24,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2835c0539/7dd3e14c98c1404998d829a569390bd1/FLAG5df622b3e [2021-12-21 22:30:24,939 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:30:24,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c [2021-12-21 22:30:24,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2835c0539/7dd3e14c98c1404998d829a569390bd1/FLAG5df622b3e [2021-12-21 22:30:25,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2835c0539/7dd3e14c98c1404998d829a569390bd1 [2021-12-21 22:30:25,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:30:25,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:30:25,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:30:25,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:30:25,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:30:25,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:30:25" (1/1) ... [2021-12-21 22:30:25,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dc60ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:25, skipping insertion in model container [2021-12-21 22:30:25,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:30:25" (1/1) ... [2021-12-21 22:30:25,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:30:25,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:30:25,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c[48047,48060] [2021-12-21 22:30:25,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:30:25,853 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:30:25,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c[48047,48060] [2021-12-21 22:30:25,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:30:26,018 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:30:26,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26 WrapperNode [2021-12-21 22:30:26,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:30:26,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:30:26,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:30:26,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:30:26,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:26,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:29,464 INFO L137 Inliner]: procedures = 151, calls = 282, calls flagged for inlining = 187, calls inlined = 19597, statements flattened = 260414 [2021-12-21 22:30:29,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:30:29,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:30:29,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:30:29,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:30:29,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:29,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:30,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:30,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:31,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:32,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:32,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:33,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:30:33,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:30:33,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:30:33,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:30:33,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (1/1) ... [2021-12-21 22:30:33,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:30:33,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:30:33,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:30:33,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:30:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-21 22:30:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:30:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:30:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:30:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:30:33,799 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:30:33,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:31:08,925 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:31:09,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:31:09,068 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:31:09,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:31:09 BoogieIcfgContainer [2021-12-21 22:31:09,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:31:09,108 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:31:09,108 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:31:09,111 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:31:09,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:31:09,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:30:25" (1/3) ... [2021-12-21 22:31:09,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@243f4b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:31:09, skipping insertion in model container [2021-12-21 22:31:09,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:31:09,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:30:26" (2/3) ... [2021-12-21 22:31:09,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@243f4b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:31:09, skipping insertion in model container [2021-12-21 22:31:09,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:31:09,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:31:09" (3/3) ... [2021-12-21 22:31:09,115 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2021-12-21 22:31:09,159 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:31:09,159 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:31:09,159 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:31:09,159 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:31:09,159 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:31:09,159 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:31:09,159 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:31:09,159 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:31:09,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42198 states, 42197 states have (on average 1.526482925326445) internal successors, (64413), 42197 states have internal predecessors, (64413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:31:10,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-21 22:31:10,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:31:10,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:31:10,257 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:31:10,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:31:10,258 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:31:10,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42198 states, 42197 states have (on average 1.526482925326445) internal successors, (64413), 42197 states have internal predecessors, (64413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:31:11,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-21 22:31:11,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:31:11,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:31:11,035 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:31:11,035 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:31:11,048 INFO L791 eck$LassoCheckResult]: Stem: 29642#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(10, 4);call #Ultimate.allocInit(34, 5);call #Ultimate.allocInit(30, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(44, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(11, 15);call #Ultimate.allocInit(19, 16);call #Ultimate.allocInit(4, 17);call write~init~int(37, 17, 0, 1);call write~init~int(100, 17, 1, 1);call write~init~int(10, 17, 2, 1);call write~init~int(0, 17, 3, 1);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(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(10, 31);call #Ultimate.allocInit(12, 32);call #Ultimate.allocInit(10, 33);call #Ultimate.allocInit(18, 34);call #Ultimate.allocInit(16, 35);call #Ultimate.allocInit(21, 36);call #Ultimate.allocInit(13, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(25, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(115, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);call #Ultimate.allocInit(20, 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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 26350#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~7#1, main_~tmp~14#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~14#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 33935#L96true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret5#1, select_features_#t~ret6#1, select_features_#t~ret7#1, select_features_#t~ret8#1, select_features_#t~ret9#1, select_features_#t~ret10#1, select_features_#t~ret11#1, select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 28428#L69true select_features_#t~ret5#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret5#1;havoc select_features_#t~ret5#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 9951#L69-1true select_features_#t~ret6#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret6#1;havoc select_features_#t~ret6#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 5838#L69-2true select_features_#t~ret7#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret7#1;havoc select_features_#t~ret7#1;~__SELECTED_FEATURE_AutoResponder~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 26192#L69-3true select_features_#t~ret8#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret8#1;havoc select_features_#t~ret8#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 17753#L69-4true select_features_#t~ret9#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret9#1;havoc select_features_#t~ret9#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 28616#L69-5true select_features_#t~ret10#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret10#1;havoc select_features_#t~ret10#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 22785#L69-6true select_features_#t~ret11#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 38802#L69-7true select_features_#t~ret12#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1; 20085#L88true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1, valid_product_~tmp~0#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~tmp~0#1; 34005#L104true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 36366#L107true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0#1 := 0; 17050#L107-1true valid_product_~retValue_acc~1#1 := valid_product_~tmp~0#1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 23023#L164true main_#t~ret52#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~14#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 39024#L970true assume 0 != main_~tmp~14#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet49#1, setup_#t~nondet50#1, setup_#t~nondet51#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_tmp3~0#1.base, setup_~__cil_tmp3~0#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_tmp3~0#1.base, setup_~__cil_tmp3~0#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; 16996#L814true 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; 9277#L3431-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 26774#L3437-5true assume { :end_inline_setClientId } true; 41496#L796-1true assume { :end_inline_setup_bob__before__Keys } true; 6765#L823true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 13, 0;havoc setup_#t~nondet49#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; 35057#L852true 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; 18918#L3431-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 585#L3437-11true assume { :end_inline_setClientId } true; 39419#L834-1true assume { :end_inline_setup_rjh__before__Keys } true; 8382#L861true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 14, 0;havoc setup_#t~nondet50#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; 18158#L890true 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; 15942#L3431-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 36265#L3437-17true assume { :end_inline_setClientId } true; 3107#L872-1true assume { :end_inline_setup_chuck__before__Keys } true; 40879#L899true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset := 15, 0;havoc setup_#t~nondet51#1; 2429#L957true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet110#1, test_#t~nondet111#1, test_#t~nondet112#1, test_#t~nondet113#1, test_#t~nondet114#1, test_#t~nondet115#1, test_#t~nondet116#1, test_#t~nondet117#1, test_#t~nondet118#1, test_#t~nondet119#1, test_#t~nondet120#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~24#1, test_~tmp___0~9#1, test_~tmp___1~5#1, test_~tmp___2~4#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~24#1;havoc test_~tmp___0~9#1;havoc test_~tmp___1~5#1;havoc test_~tmp___2~4#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 8190#L2344-1true [2021-12-21 22:31:11,049 INFO L793 eck$LassoCheckResult]: Loop: 8190#L2344-1true assume !false; 21070#L2153true assume test_~splverifierCounter~0#1 < 4; 21290#L2154true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 6079#L2160true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet110#1;havoc test_#t~nondet110#1; 40163#L2164true assume 0 != test_~tmp___9~0#1; 6685#L2165true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 6035#L2165-2true test_~op1~0#1 := 1; 8190#L2344-1true [2021-12-21 22:31:11,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:31:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-21 22:31:11,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:31:11,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167162677] [2021-12-21 22:31:11,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:31:11,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:31:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:31:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:31:11,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:31:11,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167162677] [2021-12-21 22:31:11,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167162677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:31:11,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:31:11,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:31:11,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206271005] [2021-12-21 22:31:11,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:31:11,376 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:31:11,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:31:11,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-21 22:31:11,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:31:11,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437361831] [2021-12-21 22:31:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:31:11,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:31:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:31:11,399 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:31:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:31:11,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:31:11,515 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:31:11,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:31:11,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:31:11,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:31:11,516 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-21 22:31:11,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:31:11,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:31:11,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration1_Loop [2021-12-21 22:31:11,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:31:11,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:31:11,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:31:11,602 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-21 22:31:11,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:11,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:31:11,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 22:31:11,623 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 22:31:11,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-21 22:31:11,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 22:31:11,636 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 22:31:11,654 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 [2021-12-21 22:31:11,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:11,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:31:11,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-21 22:31:11,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 22:31:11,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 22:31:11,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-21 22:31:11,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:11,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:31:11,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-21 22:31:11,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-21 22:31:11,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 22:31:11,797 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-21 22:31:11,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-21 22:31:11,801 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:31:11,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:31:11,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:31:11,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:31:11,802 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:31:11,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:31:11,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:31:11,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration1_Loop [2021-12-21 22:31:11,803 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:31:11,803 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:31:11,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:31:11,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:31:11,883 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:31:11,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:11,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:31:11,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:31:11,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:31:11,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:31:11,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:31:11,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:31:11,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:31:11,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:31:11,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:31:11,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-21 22:31:11,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:31:11,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-21 22:31:11,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:11,952 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:31:11,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-21 22:31:11,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:31:11,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:31:11,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:31:11,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:31:11,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:31:11,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:31:11,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:31:11,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:31:11,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:31:11,982 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-21 22:31:11,982 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-21 22:31:11,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:31:11,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:31:11,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:31:11,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-21 22:31:11,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:31:11,988 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 22:31:11,988 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:31:11,989 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-12-21 22:31:12,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-21 22:31:12,017 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-21 22:31:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:31:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:31:12,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:31:12,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:31:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:31:12,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 22:31:12,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:31:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:31:12,401 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-21 22:31:12,455 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 42198 states, 42197 states have (on average 1.526482925326445) internal successors, (64413), 42197 states have internal predecessors, (64413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:31:13,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-21 22:31:15,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 42198 states, 42197 states have (on average 1.526482925326445) internal successors, (64413), 42197 states have internal predecessors, (64413), 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 125635 states and 191705 transitions. Complement of second has 7 states. [2021-12-21 22:31:15,880 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 [2021-12-21 22:31:15,886 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) [2021-12-21 22:31:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127926 transitions. [2021-12-21 22:31:16,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 127926 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-21 22:31:16,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:31:16,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 127926 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-21 22:31:16,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:31:16,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 127926 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-21 22:31:16,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:31:16,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125635 states and 191705 transitions.