./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec9_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_spec9_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 a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:36:45,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:36:45,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:36:45,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:36:45,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:36:45,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:36:45,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:36:46,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:36:46,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:36:46,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:36:46,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:36:46,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:36:46,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:36:46,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:36:46,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:36:46,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:36:46,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:36:46,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:36:46,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:36:46,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:36:46,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:36:46,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:36:46,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:36:46,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:36:46,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:36:46,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:36:46,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:36:46,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:36:46,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:36:46,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:36:46,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:36:46,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:36:46,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:36:46,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:36:46,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:36:46,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:36:46,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:36:46,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:36:46,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:36:46,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:36:46,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:36:46,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:36:46,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:36:46,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:36:46,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:36:46,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:36:46,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:36:46,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:36:46,070 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:36:46,070 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:36:46,070 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:36:46,070 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:36:46,071 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:36:46,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:36:46,071 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:36:46,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:36:46,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:36:46,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:36:46,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:36:46,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:36:46,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:36:46,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:36:46,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:36:46,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:36:46,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:36:46,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:36:46,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:36:46,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:36:46,075 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:36:46,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 [2021-12-14 23:36:46,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:36:46,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:36:46,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:36:46,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:36:46,278 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:36:46,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-12-14 23:36:46,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe13f4bd/22e16818842647c5ae880ad92993bcbb/FLAG42e245c65 [2021-12-14 23:36:46,785 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:36:46,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-12-14 23:36:46,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe13f4bd/22e16818842647c5ae880ad92993bcbb/FLAG42e245c65 [2021-12-14 23:36:46,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe13f4bd/22e16818842647c5ae880ad92993bcbb [2021-12-14 23:36:46,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:36:46,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:36:46,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:36:46,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:36:46,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:36:46,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:46" (1/1) ... [2021-12-14 23:36:46,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1997536b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:46, skipping insertion in model container [2021-12-14 23:36:46,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:46" (1/1) ... [2021-12-14 23:36:46,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:36:46,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:36:47,259 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_spec9_productSimulator.cil.c[31629,31642] [2021-12-14 23:36:47,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:36:47,364 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:36:47,403 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_spec9_productSimulator.cil.c[31629,31642] [2021-12-14 23:36:47,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:36:47,512 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:36:47,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47 WrapperNode [2021-12-14 23:36:47,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:36:47,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:36:47,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:36:47,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:36:47,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:47,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:49,918 INFO L137 Inliner]: procedures = 152, calls = 288, calls flagged for inlining = 189, calls inlined = 17965, statements flattened = 241730 [2021-12-14 23:36:49,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:36:49,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:36:49,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:36:49,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:36:49,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:49,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:50,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:50,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:51,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:52,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:53,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:53,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:36:53,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:36:53,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:36:53,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:36:53,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (1/1) ... [2021-12-14 23:36:53,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:36:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:36:53,936 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 23:36:53,939 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 23:36:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-14 23:36:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:36:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:36:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:36:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:36:54,218 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:36:54,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:37:22,965 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:37:23,088 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:37:23,089 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:37:23,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:23 BoogieIcfgContainer [2021-12-14 23:37:23,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:37:23,118 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:37:23,119 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:37:23,121 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:37:23,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:23,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:36:46" (1/3) ... [2021-12-14 23:37:23,122 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e70969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:23, skipping insertion in model container [2021-12-14 23:37:23,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:23,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:47" (2/3) ... [2021-12-14 23:37:23,123 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e70969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:23, skipping insertion in model container [2021-12-14 23:37:23,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:23,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:23" (3/3) ... [2021-12-14 23:37:23,124 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2021-12-14 23:37:23,158 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:37:23,158 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:37:23,158 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:37:23,158 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:37:23,158 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:37:23,158 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:37:23,159 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:37:23,159 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:37:23,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39254 states, 39253 states have (on average 1.5382518533615266) internal successors, (60381), 39253 states have internal predecessors, (60381), 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 23:37:24,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-14 23:37:24,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:24,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:24,279 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 23:37:24,279 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:24,279 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:37:24,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39254 states, 39253 states have (on average 1.5382518533615266) internal successors, (60381), 39253 states have internal predecessors, (60381), 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 23:37:24,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-14 23:37:24,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:24,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:24,577 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 23:37:24,577 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:24,589 INFO L791 eck$LassoCheckResult]: Stem: 27426#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(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(17, 31);call #Ultimate.allocInit(17, 32);call #Ultimate.allocInit(13, 33);call #Ultimate.allocInit(17, 34);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(12, 36);call #Ultimate.allocInit(10, 37);call #Ultimate.allocInit(18, 38);call #Ultimate.allocInit(16, 39);call #Ultimate.allocInit(21, 40);call #Ultimate.allocInit(13, 41);call #Ultimate.allocInit(16, 42);call #Ultimate.allocInit(25, 43);call #Ultimate.allocInit(4, 44);call write~init~int(37, 44, 0, 1);call write~init~int(115, 44, 1, 1);call write~init~int(10, 44, 2, 1);call write~init~int(0, 44, 3, 1);~__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_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;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~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; 24129#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~16#1, main_~tmp~14#1;havoc main_~retValue_acc~16#1;havoc main_~tmp~14#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 13759#L2138true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret96#1, select_features_#t~ret97#1, select_features_#t~ret98#1, select_features_#t~ret99#1, select_features_#t~ret100#1, select_features_#t~ret101#1, select_features_#t~ret102#1, select_features_#t~ret103#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 5181#L2111true select_features_#t~ret96#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret96#1;havoc select_features_#t~ret96#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 15997#L2111-1true select_features_#t~ret97#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret97#1;havoc select_features_#t~ret97#1;~__SELECTED_FEATURE_Encrypt~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 2043#L2111-2true select_features_#t~ret98#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret98#1;havoc select_features_#t~ret98#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 16866#L2111-3true select_features_#t~ret99#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret99#1;havoc select_features_#t~ret99#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 10331#L2111-4true select_features_#t~ret100#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret100#1;havoc select_features_#t~ret100#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 35764#L2111-5true select_features_#t~ret101#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret101#1;havoc select_features_#t~ret101#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 17369#L2111-6true select_features_#t~ret102#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret102#1;havoc select_features_#t~ret102#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet95#1, select_one_~retValue_acc~20#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~20#1;select_one_~choice~0#1 := select_one_#t~nondet95#1;havoc select_one_#t~nondet95#1;select_one_~retValue_acc~20#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~20#1; 35557#L2111-7true select_features_#t~ret103#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret103#1;havoc select_features_#t~ret103#1; 12741#L2130true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~21#1, valid_product_~tmp~20#1;havoc valid_product_~retValue_acc~21#1;havoc valid_product_~tmp~20#1; 9755#L2146true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 31142#L2149true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~20#1 := 0; 3232#L2149-1true valid_product_~retValue_acc~21#1 := valid_product_~tmp~20#1;valid_product_#res#1 := valid_product_~retValue_acc~21#1; 26891#L2206true main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~14#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 37134#L1530true assume 0 != main_~tmp~14#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet51#1, setup_#t~nondet52#1, setup_#t~nondet53#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_tmp3~2#1.base, setup_~__cil_tmp3~2#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_tmp3~2#1.base, setup_~__cil_tmp3~2#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; 11725#L1374true 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; 3147#L3475-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 832#L3481-5true assume { :end_inline_setClientId } true; 223#L1356-1true assume { :end_inline_setup_bob__before__Keys } true; 21668#L1383true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 13, 0;havoc setup_#t~nondet51#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; 335#L1412true 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; 23333#L3475-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 29559#L3481-11true assume { :end_inline_setClientId } true; 1540#L1394-1true assume { :end_inline_setup_rjh__before__Keys } true; 321#L1421true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 14, 0;havoc setup_#t~nondet52#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; 5188#L1450true 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; 5977#L3475-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 26683#L3481-17true assume { :end_inline_setClientId } true; 24730#L1432-1true assume { :end_inline_setup_chuck__before__Keys } true; 18240#L1459true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 15, 0;havoc setup_#t~nondet53#1; 32505#L1517true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 12433#L301-1true [2021-12-14 23:37:24,590 INFO L793 eck$LassoCheckResult]: Loop: 12433#L301-1true assume !false; 8625#L110true assume test_~splverifierCounter~0#1 < 4; 37513#L111true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 7073#L117true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 5037#L121true assume 0 != test_~tmp___9~0#1; 26123#L122true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 37308#L122-2true test_~op1~0#1 := 1; 12433#L301-1true [2021-12-14 23:37:24,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:24,603 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-14 23:37:24,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:24,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710717377] [2021-12-14 23:37:24,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:24,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:24,843 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 23:37:24,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:37:24,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710717377] [2021-12-14 23:37:24,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710717377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:37:24,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:37:24,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:37:24,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405773345] [2021-12-14 23:37:24,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:37:24,848 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:37:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-14 23:37:24,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:24,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111611722] [2021-12-14 23:37:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:24,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:24,854 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:24,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:24,931 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:37:24,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:37:24,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:37:24,932 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:37:24,932 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:37:24,932 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:24,932 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:37:24,932 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:37:24,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration1_Loop [2021-12-14 23:37:24,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:37:24,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:37:24,944 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 23:37:24,947 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 23:37:24,951 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 23:37:24,954 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 23:37:25,012 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:37:25,012 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:37:25,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:25,015 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 23:37:25,067 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 23:37:25,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:37:25,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:37:25,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:37:25,093 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 23:37:25,111 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 23:37:25,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:25,128 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 23:37:25,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:37:25,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:37:25,163 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 23:37:25,189 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 23:37:25,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:25,191 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 23:37:25,192 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 23:37:25,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:37:25,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:37:25,227 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:37:25,251 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 23:37:25,252 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:37:25,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:37:25,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:37:25,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:37:25,252 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:37:25,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:37:25,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:37:25,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration1_Loop [2021-12-14 23:37:25,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:37:25,252 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:37:25,254 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 23:37:25,258 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 23:37:25,265 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 23:37:25,269 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 23:37:25,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:37:25,324 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:37:25,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:25,326 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 23:37:25,328 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 23:37:25,329 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 23:37:25,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:37:25,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:37:25,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:37:25,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:37:25,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:37:25,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:37:25,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:37:25,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:37:25,390 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 23:37:25,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:25,404 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 23:37:25,408 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 23:37:25,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:37:25,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:37:25,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:37:25,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:37:25,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:37:25,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:37:25,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:37:25,417 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 23:37:25,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:37:25,429 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:37:25,429 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:37:25,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:25,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:25,431 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 23:37:25,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:37:25,468 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:37:25,468 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:37:25,469 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 23:37:25,483 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 23:37:25,505 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 23:37:25,508 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:37:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:25,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:37:25,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:37:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:25,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:37:25,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:37:25,728 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 23:37:25,764 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 23:37:25,856 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39254 states, 39253 states have (on average 1.5382518533615266) internal successors, (60381), 39253 states have internal predecessors, (60381), 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 23:37:26,576 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 23:37:28,810 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39254 states, 39253 states have (on average 1.5382518533615266) internal successors, (60381), 39253 states have internal predecessors, (60381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 117251 states and 180281 transitions. Complement of second has 7 states. [2021-12-14 23:37:28,812 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 23:37:28,815 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 23:37:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120086 transitions. [2021-12-14 23:37:28,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120086 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-14 23:37:28,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:37:28,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120086 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-14 23:37:28,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:37:28,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120086 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-14 23:37:28,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:37:28,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117251 states and 180281 transitions. [2021-12-14 23:37:29,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:37:29,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117251 states to 0 states and 0 transitions. [2021-12-14 23:37:29,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:37:29,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:37:29,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:37:29,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:37:29,483 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:37:29,483 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:37:29,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:37:29,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:37:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:37:29,488 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 23:37:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:37:29,489 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-14 23:37:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 23:37:29,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-14 23:37:29,490 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:37:29,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 23:37:29,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:37:29,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:37:29,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:37:29,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:37:29,491 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:37:29,491 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:37:29,491 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:37:29,491 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:37:29,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:37:29,492 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:37:29,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:37:29,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:37:29 BoogieIcfgContainer [2021-12-14 23:37:29,496 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:37:29,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:37:29,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:37:29,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:37:29,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:23" (3/4) ... [2021-12-14 23:37:29,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:37:29,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:37:29,500 INFO L158 Benchmark]: Toolchain (without parser) took 42679.96ms. Allocated memory was 90.2MB in the beginning and 10.8GB in the end (delta: 10.7GB). Free memory was 63.3MB in the beginning and 9.1GB in the end (delta: -9.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-12-14 23:37:29,501 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:29,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.20ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 63.1MB in the beginning and 104.3MB in the end (delta: -41.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-12-14 23:37:29,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 2405.39ms. Allocated memory was 136.3MB in the beginning and 836.8MB in the end (delta: 700.4MB). Free memory was 104.3MB in the beginning and 477.4MB in the end (delta: -373.2MB). Peak memory consumption was 374.0MB. Max. memory is 16.1GB. [2021-12-14 23:37:29,505 INFO L158 Benchmark]: Boogie Preprocessor took 3987.80ms. Allocated memory was 836.8MB in the beginning and 2.5GB in the end (delta: 1.7GB). Free memory was 477.4MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 310.4MB. Max. memory is 16.1GB. [2021-12-14 23:37:29,506 INFO L158 Benchmark]: RCFGBuilder took 29209.90ms. Allocated memory was 2.5GB in the beginning and 10.4GB in the end (delta: 7.9GB). Free memory was 1.9GB in the beginning and 9.3GB in the end (delta: -7.4GB). Peak memory consumption was 781.2MB. Max. memory is 16.1GB. [2021-12-14 23:37:29,506 INFO L158 Benchmark]: BuchiAutomizer took 6377.62ms. Allocated memory was 10.4GB in the beginning and 10.8GB in the end (delta: 331.4MB). Free memory was 9.3GB in the beginning and 9.1GB in the end (delta: 175.1MB). Peak memory consumption was 503.3MB. Max. memory is 16.1GB. [2021-12-14 23:37:29,508 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 10.8GB. Free memory is still 9.1GB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:29,514 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 90.2MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.20ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 63.1MB in the beginning and 104.3MB in the end (delta: -41.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2405.39ms. Allocated memory was 136.3MB in the beginning and 836.8MB in the end (delta: 700.4MB). Free memory was 104.3MB in the beginning and 477.4MB in the end (delta: -373.2MB). Peak memory consumption was 374.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3987.80ms. Allocated memory was 836.8MB in the beginning and 2.5GB in the end (delta: 1.7GB). Free memory was 477.4MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 310.4MB. Max. memory is 16.1GB. * RCFGBuilder took 29209.90ms. Allocated memory was 2.5GB in the beginning and 10.4GB in the end (delta: 7.9GB). Free memory was 1.9GB in the beginning and 9.3GB in the end (delta: -7.4GB). Peak memory consumption was 781.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 6377.62ms. Allocated memory was 10.4GB in the beginning and 10.8GB in the end (delta: 331.4MB). Free memory was 9.3GB in the beginning and 9.1GB in the end (delta: 175.1MB). Peak memory consumption was 503.3MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 10.8GB. Free memory is still 9.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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 0.5s 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, 60316 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60315 mSDsluCounter, 180691 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120376 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 60315 mSDtfsCounter, 6 mSolverCounterSat, 0.2s 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: 30ms 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 23:37:29,552 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