./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:35:09,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:35:09,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:35:09,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:35:09,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:35:09,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:35:09,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:35:09,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:35:09,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:35:09,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:35:09,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:35:09,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:35:09,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:35:09,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:35:09,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:35:09,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:35:09,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:35:09,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:35:09,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:35:09,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:35:09,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:35:09,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:35:09,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:35:09,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:35:09,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:35:09,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:35:09,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:35:09,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:35:09,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:35:09,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:35:09,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:35:09,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:35:09,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:35:09,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:35:09,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:35:09,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:35:09,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:35:09,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:35:09,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:35:09,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:35:09,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:35:09,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:35:10,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:35:10,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:35:10,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:35:10,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:35:10,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:35:10,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:35:10,024 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:35:10,024 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:35:10,024 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:35:10,024 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:35:10,025 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:35:10,025 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:35:10,025 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:35:10,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:35:10,025 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:35:10,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:35:10,027 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:35:10,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:35:10,027 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:35:10,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:35:10,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:35:10,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:35:10,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:35:10,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:35:10,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:35:10,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:35:10,029 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:35:10,029 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 [2021-12-14 23:35:10,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:35:10,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:35:10,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:35:10,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:35:10,224 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:35:10,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-12-14 23:35:10,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efd4dba6e/56edb96480384df6a8a4f0ccc846ce8e/FLAGaddbdd69f [2021-12-14 23:35:10,692 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:35:10,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2021-12-14 23:35:10,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efd4dba6e/56edb96480384df6a8a4f0ccc846ce8e/FLAGaddbdd69f [2021-12-14 23:35:10,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efd4dba6e/56edb96480384df6a8a4f0ccc846ce8e [2021-12-14 23:35:10,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:35:10,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:35:10,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:35:10,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:35:10,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:35:10,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:10" (1/1) ... [2021-12-14 23:35:10,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4bfc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:10, skipping insertion in model container [2021-12-14 23:35:10,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:10" (1/1) ... [2021-12-14 23:35:10,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:35:10,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:35:10,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[11237,11250] [2021-12-14 23:35:11,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:35:11,150 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:35:11,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[11237,11250] [2021-12-14 23:35:11,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:35:11,240 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:35:11,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11 WrapperNode [2021-12-14 23:35:11,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:35:11,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:35:11,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:35:11,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:35:11,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:11,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:13,973 INFO L137 Inliner]: procedures = 151, calls = 284, calls flagged for inlining = 189, calls inlined = 20365, statements flattened = 293438 [2021-12-14 23:35:13,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:35:13,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:35:13,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:35:13,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:35:13,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:13,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:14,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:14,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:15,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:16,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:16,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:17,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:35:17,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:35:17,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:35:17,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:35:17,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (1/1) ... [2021-12-14 23:35:17,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:17,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:17,532 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) [2021-12-14 23:35:17,549 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 [2021-12-14 23:35:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-14 23:35:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:35:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:35:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:35:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:35:17,926 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:35:17,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:35:54,572 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:35:54,702 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:35:54,702 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:35:54,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:54 BoogieIcfgContainer [2021-12-14 23:35:54,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:35:54,739 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:35:54,739 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:35:54,742 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:35:54,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:35:54,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:35:10" (1/3) ... [2021-12-14 23:35:54,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64fb5aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:35:54, skipping insertion in model container [2021-12-14 23:35:54,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:35:54,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:11" (2/3) ... [2021-12-14 23:35:54,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64fb5aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:35:54, skipping insertion in model container [2021-12-14 23:35:54,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:35:54,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:54" (3/3) ... [2021-12-14 23:35:54,745 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2021-12-14 23:35:54,784 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:35:54,784 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:35:54,784 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:35:54,785 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:35:54,785 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:35:54,785 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:35:54,785 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:35:54,785 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:35:55,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:35:56,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-14 23:35:56,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:56,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:56,160 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] [2021-12-14 23:35:56,160 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:56,160 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:35:56,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:35:56,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-14 23:35:56,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:56,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:56,617 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] [2021-12-14 23:35:56,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:56,633 INFO L791 eck$LassoCheckResult]: Stem: 42350#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(36, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(10, 18);call #Ultimate.allocInit(34, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(20, 22);call #Ultimate.allocInit(22, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(44, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(11, 29);call #Ultimate.allocInit(19, 30);call #Ultimate.allocInit(4, 31);call write~init~int(37, 31, 0, 1);call write~init~int(100, 31, 1, 1);call write~init~int(10, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(10, 33);call #Ultimate.allocInit(12, 34);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(18, 36);call #Ultimate.allocInit(16, 37);call #Ultimate.allocInit(21, 38);call #Ultimate.allocInit(13, 39);call #Ultimate.allocInit(16, 40);call #Ultimate.allocInit(25, 41);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 15380#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret93#1, main_~retValue_acc~39#1, main_~tmp~21#1;havoc main_~retValue_acc~39#1;havoc main_~tmp~21#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 43324#L489true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret29#1, select_features_#t~ret30#1, select_features_#t~ret31#1, select_features_#t~ret32#1, select_features_#t~ret33#1, select_features_#t~ret34#1, select_features_#t~ret35#1, select_features_#t~ret36#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 20036#L462true select_features_#t~ret29#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret29#1;havoc select_features_#t~ret29#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 45348#L462-1true select_features_#t~ret30#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret30#1;havoc select_features_#t~ret30#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 8764#L462-2true select_features_#t~ret31#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret31#1;havoc select_features_#t~ret31#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 30865#L462-3true select_features_#t~ret32#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret32#1;havoc select_features_#t~ret32#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 23737#L462-4true select_features_#t~ret33#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret33#1;havoc select_features_#t~ret33#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 42563#L462-5true select_features_#t~ret34#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret34#1;havoc select_features_#t~ret34#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 10885#L462-6true select_features_#t~ret35#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret35#1;havoc select_features_#t~ret35#1;~__SELECTED_FEATURE_Verify~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet28#1, select_one_~retValue_acc~4#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~4#1;select_one_~choice~0#1 := select_one_#t~nondet28#1;havoc select_one_#t~nondet28#1;select_one_~retValue_acc~4#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~4#1; 35251#L462-7true select_features_#t~ret36#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret36#1;havoc select_features_#t~ret36#1; 32677#L481true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1, valid_product_~tmp~3#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~tmp~3#1; 43881#L497true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 1528#L500true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~3#1 := 0; 6821#L500-1true valid_product_~retValue_acc~5#1 := valid_product_~tmp~3#1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 45726#L557true main_#t~ret93#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~21#1 := main_#t~ret93#1;havoc main_#t~ret93#1; 5829#L3115true assume 0 != main_~tmp~21#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet90#1, setup_#t~nondet91#1, setup_#t~nondet92#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1; 42216#L2959true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_bob__before__Keys } true;setup_bob__before__Keys_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__before__Keys_~bob___0#1;setup_bob__before__Keys_~bob___0#1 := setup_bob__before__Keys_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__before__Keys_~bob___0#1, setup_bob__before__Keys_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 46589#L1625-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 19848#L1631-5true assume { :end_inline_setClientId } true; 37760#L2941-1true assume { :end_inline_setup_bob__before__Keys } true; 1198#L2968true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 27, 0;havoc setup_#t~nondet90#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1; 867#L2997true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_rjh__before__Keys } true;setup_rjh__before__Keys_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__before__Keys_~rjh___0#1;setup_rjh__before__Keys_~rjh___0#1 := setup_rjh__before__Keys_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__before__Keys_~rjh___0#1, setup_rjh__before__Keys_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4906#L1625-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9400#L1631-11true assume { :end_inline_setClientId } true; 25223#L2979-1true assume { :end_inline_setup_rjh__before__Keys } true; 46030#L3006true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 28, 0;havoc setup_#t~nondet91#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1; 10304#L3035true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_chuck__before__Keys } true;setup_chuck__before__Keys_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__before__Keys_~chuck___0#1;setup_chuck__before__Keys_~chuck___0#1 := setup_chuck__before__Keys_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__before__Keys_~chuck___0#1, setup_chuck__before__Keys_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 3934#L1625-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 32837#L1631-17true assume { :end_inline_setClientId } true; 6797#L3017-1true assume { :end_inline_setup_chuck__before__Keys } true; 45451#L3044true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 29, 0;havoc setup_#t~nondet92#1; 23524#L3102true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 40744#L1884-1true [2021-12-14 23:35:56,634 INFO L793 eck$LassoCheckResult]: Loop: 40744#L1884-1true assume !false; 5619#L1693true assume test_~splverifierCounter~0#1 < 4; 39858#L1694true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 19156#L1700true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 37979#L1704true assume 0 != test_~tmp___9~0#1; 11953#L1705true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 38478#L1705-2true test_~op1~0#1 := 1; 40744#L1884-1true [2021-12-14 23:35:56,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:56,651 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-14 23:35:56,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:56,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92922019] [2021-12-14 23:35:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:56,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:56,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:56,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92922019] [2021-12-14 23:35:56,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92922019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:56,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:56,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:35:56,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950641433] [2021-12-14 23:35:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:56,944 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:56,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:56,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-14 23:35:56,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:56,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911903069] [2021-12-14 23:35:56,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:56,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:56,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:56,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:57,009 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:57,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:57,010 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:57,010 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:57,010 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:57,010 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,010 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:57,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:57,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-12-14 23:35:57,011 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:57,011 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:57,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,113 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:57,114 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:57,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:57,117 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) [2021-12-14 23:35:57,118 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 [2021-12-14 23:35:57,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:57,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:57,150 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:57,150 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: [] [2021-12-14 23:35:57,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:57,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:57,169 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) [2021-12-14 23:35:57,185 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 [2021-12-14 23:35:57,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:57,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:57,221 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 [2021-12-14 23:35:57,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:57,223 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) [2021-12-14 23:35:57,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:57,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:57,251 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 [2021-12-14 23:35:57,265 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:57,270 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 [2021-12-14 23:35:57,270 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:57,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:57,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:57,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:57,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:57,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:57,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:57,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2021-12-14 23:35:57,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:57,271 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:57,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:57,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:57,328 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:57,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:57,330 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) [2021-12-14 23:35:57,331 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 [2021-12-14 23:35:57,333 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 [2021-12-14 23:35:57,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:57,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:57,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:57,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:57,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:57,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:57,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:57,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:57,374 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 [2021-12-14 23:35:57,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:57,376 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) [2021-12-14 23:35:57,377 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 [2021-12-14 23:35:57,378 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 [2021-12-14 23:35:57,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:57,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:57,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:57,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:57,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:57,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:57,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:57,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:57,403 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:57,403 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:57,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:57,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:57,405 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) [2021-12-14 23:35:57,406 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 [2021-12-14 23:35:57,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:57,407 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:57,407 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:57,408 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 [] [2021-12-14 23:35:57,423 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 [2021-12-14 23:35:57,424 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:57,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:57,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:57,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:57,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:57,666 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 [2021-12-14 23:35:57,727 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:35:58,153 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 [2021-12-14 23:36:00,690 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 49622 states, 49621 states have (on average 1.5766913202071704) internal successors, (78237), 49621 states have internal predecessors, (78237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 147395 states and 232409 transitions. Complement of second has 7 states. [2021-12-14 23:36:00,692 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 [2021-12-14 23:36:00,695 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) [2021-12-14 23:36:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 155318 transitions. [2021-12-14 23:36:00,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 155318 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-14 23:36:00,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:36:00,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 155318 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-14 23:36:00,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:36:00,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 155318 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-14 23:36:00,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:36:00,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147395 states and 232409 transitions. [2021-12-14 23:36:01,611 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:36:01,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147395 states to 0 states and 0 transitions. [2021-12-14 23:36:01,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:36:01,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:36:01,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:36:01,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:36:01,614 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:36:01,614 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:36:01,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:36:01,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:36:01,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:36:01,620 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) [2021-12-14 23:36:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:36:01,621 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-14 23:36:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 23:36:01,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-14 23:36:01,622 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:36:01,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 23:36:01,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:36:01,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:36:01,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:36:01,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:36:01,623 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:36:01,623 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:36:01,623 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:36:01,623 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:36:01,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:36:01,624 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:36:01,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:36:01,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:36:01 BoogieIcfgContainer [2021-12-14 23:36:01,631 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:36:01,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:36:01,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:36:01,632 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:36:01,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:54" (3/4) ... [2021-12-14 23:36:01,636 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:36:01,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:36:01,638 INFO L158 Benchmark]: Toolchain (without parser) took 50909.56ms. Allocated memory was 96.5MB in the beginning and 9.2GB in the end (delta: 9.1GB). Free memory was 62.5MB in the beginning and 7.2GB in the end (delta: -7.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-12-14 23:36:01,638 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:36:01,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.44ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 62.2MB in the beginning and 78.3MB in the end (delta: -16.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-12-14 23:36:01,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 2732.38ms. Allocated memory was 132.1MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 78.3MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 428.8MB. Max. memory is 16.1GB. [2021-12-14 23:36:01,641 INFO L158 Benchmark]: Boogie Preprocessor took 3525.66ms. Allocated memory was 1.8GB in the beginning and 5.5GB in the end (delta: 3.7GB). Free memory was 1.4GB in the beginning and 4.8GB in the end (delta: -3.4GB). Peak memory consumption was 426.8MB. Max. memory is 16.1GB. [2021-12-14 23:36:01,642 INFO L158 Benchmark]: RCFGBuilder took 37237.76ms. Allocated memory was 5.5GB in the beginning and 9.2GB in the end (delta: 3.7GB). Free memory was 4.8GB in the beginning and 7.9GB in the end (delta: -3.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-12-14 23:36:01,642 INFO L158 Benchmark]: BuchiAutomizer took 6892.24ms. Allocated memory is still 9.2GB. Free memory was 7.9GB in the beginning and 7.2GB in the end (delta: 623.9MB). Peak memory consumption was 622.9MB. Max. memory is 16.1GB. [2021-12-14 23:36:01,643 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 9.2GB. Free memory is still 7.2GB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:36:01,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.44ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 62.2MB in the beginning and 78.3MB in the end (delta: -16.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2732.38ms. Allocated memory was 132.1MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 78.3MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 428.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3525.66ms. Allocated memory was 1.8GB in the beginning and 5.5GB in the end (delta: 3.7GB). Free memory was 1.4GB in the beginning and 4.8GB in the end (delta: -3.4GB). Peak memory consumption was 426.8MB. Max. memory is 16.1GB. * RCFGBuilder took 37237.76ms. Allocated memory was 5.5GB in the beginning and 9.2GB in the end (delta: 3.7GB). Free memory was 4.8GB in the beginning and 7.9GB in the end (delta: -3.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * BuchiAutomizer took 6892.24ms. Allocated memory is still 9.2GB. Free memory was 7.9GB in the beginning and 7.2GB in the end (delta: 623.9MB). Peak memory consumption was 622.9MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 9.2GB. Free memory is still 7.2GB. 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 6.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 3.4s. 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 0.7s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77212 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77211 mSDsluCounter, 231379 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154168 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 77211 mSDtfsCounter, 6 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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! [2021-12-14 23:36:01,675 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