./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec6_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 c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:22:30,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:22:30,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:22:30,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:22:30,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:22:30,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:22:30,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:22:30,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:22:30,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:22:30,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:22:30,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:22:30,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:22:30,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:22:30,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:22:30,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:22:30,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:22:30,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:22:30,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:22:30,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:22:30,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:22:30,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:22:30,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:22:30,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:22:30,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:22:30,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:22:30,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:22:30,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:22:30,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:22:30,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:22:30,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:22:30,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:22:30,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:22:30,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:22:30,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:22:30,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:22:30,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:22:30,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:22:30,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:22:30,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:22:30,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:22:30,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:22:30,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:22:30,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:22:30,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:22:30,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:22:30,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:22:30,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:22:30,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:22:30,263 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:22:30,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:22:30,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:22:30,263 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:22:30,264 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:22:30,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:22:30,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:22:30,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:22:30,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:22:30,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:22:30,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:22:30,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:22:30,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:22:30,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:22:30,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:22:30,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:22:30,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:22:30,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:22:30,267 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:22:30,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:22:30,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:22:30,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:22:30,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:22:30,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:22:30,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:22:30,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:22:30,269 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:22:30,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 [2021-12-22 20:22:30,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:22:30,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:22:30,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:22:30,512 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:22:30,513 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:22:30,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2021-12-22 20:22:30,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c24650eb5/d46e8b3612194b0ba9ce766bd213951c/FLAG593661d55 [2021-12-22 20:22:31,120 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:22:31,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2021-12-22 20:22:31,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c24650eb5/d46e8b3612194b0ba9ce766bd213951c/FLAG593661d55 [2021-12-22 20:22:31,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c24650eb5/d46e8b3612194b0ba9ce766bd213951c [2021-12-22 20:22:31,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:22:31,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:22:31,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:22:31,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:22:31,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:22:31,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:22:31" (1/1) ... [2021-12-22 20:22:31,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25526752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:31, skipping insertion in model container [2021-12-22 20:22:31,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:22:31" (1/1) ... [2021-12-22 20:22:31,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:22:31,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:22:31,764 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_spec6_productSimulator.cil.c[17001,17014] [2021-12-22 20:22:31,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:22:31,964 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:22:31,996 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_spec6_productSimulator.cil.c[17001,17014] [2021-12-22 20:22:32,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:22:32,098 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:22:32,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32 WrapperNode [2021-12-22 20:22:32,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:22:32,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:22:32,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:22:32,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:22:32,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:32,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:35,310 INFO L137 Inliner]: procedures = 152, calls = 290, calls flagged for inlining = 191, calls inlined = 18029, statements flattened = 243298 [2021-12-22 20:22:35,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:22:35,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:22:35,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:22:35,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:22:35,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:35,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:35,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:35,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:37,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:37,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:38,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:39,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:22:39,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:22:39,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:22:39,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:22:39,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (1/1) ... [2021-12-22 20:22:39,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:22:39,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:22:39,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:22:39,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 20:22:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-22 20:22:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:22:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:22:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:22:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:22:39,378 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:22:39,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:23:13,392 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:23:13,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:23:13,522 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 20:23:13,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:13 BoogieIcfgContainer [2021-12-22 20:23:13,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:23:13,557 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:23:13,557 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:23:13,562 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:23:13,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:13,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:22:31" (1/3) ... [2021-12-22 20:23:13,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b1e9579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:13, skipping insertion in model container [2021-12-22 20:23:13,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:13,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:22:32" (2/3) ... [2021-12-22 20:23:13,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b1e9579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:13, skipping insertion in model container [2021-12-22 20:23:13,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:13,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:13" (3/3) ... [2021-12-22 20:23:13,567 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2021-12-22 20:23:13,611 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:23:13,612 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:23:13,612 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:23:13,612 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:23:13,612 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:23:13,612 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:23:13,612 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:23:13,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:23:14,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39478 states, 39477 states have (on average 1.539250702940953) internal successors, (60765), 39477 states have internal predecessors, (60765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:15,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-22 20:23:15,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:15,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:15,061 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:15,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:15,062 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:23:15,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39478 states, 39477 states have (on average 1.539250702940953) internal successors, (60765), 39477 states have internal predecessors, (60765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:15,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-22 20:23:15,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:15,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:15,562 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:15,562 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:15,578 INFO L791 eck$LassoCheckResult]: Stem: 27668#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(13, 4);call #Ultimate.allocInit(19, 5);call #Ultimate.allocInit(16, 6);call #Ultimate.allocInit(19, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(21, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(25, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(21, 25);call #Ultimate.allocInit(13, 26);call #Ultimate.allocInit(16, 27);call #Ultimate.allocInit(25, 28);call #Ultimate.allocInit(4, 29);call write~init~int(37, 29, 0, 1);call write~init~int(115, 29, 1, 1);call write~init~int(10, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(44, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(11, 34);call #Ultimate.allocInit(19, 35);call #Ultimate.allocInit(4, 36);call write~init~int(37, 36, 0, 1);call write~init~int(100, 36, 1, 1);call write~init~int(10, 36, 2, 1);call write~init~int(0, 36, 3, 1);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(10, 38);call #Ultimate.allocInit(34, 39);call #Ultimate.allocInit(30, 40);call #Ultimate.allocInit(16, 41);call #Ultimate.allocInit(20, 42);call #Ultimate.allocInit(22, 43);call #Ultimate.allocInit(21, 44);~__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;~sent_encrypted~0 := -1;~head~0.base, ~head~0.offset := 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;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 24425#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret88#1, main_~retValue_acc~28#1, main_~tmp~14#1;havoc main_~retValue_acc~28#1;havoc main_~tmp~14#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 14400#L739true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1, select_features_#t~ret61#1, select_features_#t~ret62#1, select_features_#t~ret63#1, select_features_#t~ret64#1, select_features_#t~ret65#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 584#L712true select_features_#t~ret58#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 1510#L712-1true select_features_#t~ret59#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;~__SELECTED_FEATURE_Encrypt~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 26221#L712-2true select_features_#t~ret60#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 336#L712-3true select_features_#t~ret61#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret61#1;havoc select_features_#t~ret61#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 28275#L712-4true select_features_#t~ret62#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret62#1;havoc select_features_#t~ret62#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 39069#L712-5true select_features_#t~ret63#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret63#1;havoc select_features_#t~ret63#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 31097#L712-6true select_features_#t~ret64#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret64#1;havoc select_features_#t~ret64#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet57#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet57#1;havoc select_one_#t~nondet57#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 24309#L712-7true select_features_#t~ret65#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret65#1;havoc select_features_#t~ret65#1; 25618#L731true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1, valid_product_~tmp~9#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~tmp~9#1; 31506#L747true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 286#L750true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~9#1 := 0; 11397#L750-1true valid_product_~retValue_acc~9#1 := valid_product_~tmp~9#1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 35914#L807true main_#t~ret88#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~14#1 := main_#t~ret88#1;havoc main_#t~ret88#1; 34646#L2383true assume 0 != main_~tmp~14#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet85#1, setup_#t~nondet86#1, setup_#t~nondet87#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#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_tmp2~1#1.base, setup_~__cil_tmp2~1#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; 4335#L2227true 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; 10033#L1874-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 39298#L1880-5true assume { :end_inline_setClientId } true; 29691#L2209-1true assume { :end_inline_setup_bob__before__Keys } true; 28003#L2236true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 32, 0;havoc setup_#t~nondet85#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; 33486#L2265true 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; 8723#L1874-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 20578#L1880-11true assume { :end_inline_setClientId } true; 2630#L2247-1true assume { :end_inline_setup_rjh__before__Keys } true; 17888#L2274true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 33, 0;havoc setup_#t~nondet86#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; 28034#L2303true 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; 28078#L1874-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 27763#L1880-17true assume { :end_inline_setClientId } true; 11035#L2285-1true assume { :end_inline_setup_chuck__before__Keys } true; 36479#L2312true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 34, 0;havoc setup_#t~nondet87#1; 36376#L2370true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_#t~nondet79#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~12#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~1#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~12#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#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; 19995#L2150-1true [2021-12-22 20:23:15,579 INFO L793 eck$LassoCheckResult]: Loop: 19995#L2150-1true assume !false; 32025#L1959true assume test_~splverifierCounter~0#1 < 4; 31546#L1960true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 36527#L1966true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet69#1;havoc test_#t~nondet69#1; 37368#L1970true assume 0 != test_~tmp___9~0#1; 32051#L1971true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 8501#L1971-2true test_~op1~0#1 := 1; 19995#L2150-1true [2021-12-22 20:23:15,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-22 20:23:15,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:15,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223371917] [2021-12-22 20:23:15,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:23:15,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:23:15,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223371917] [2021-12-22 20:23:15,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223371917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:23:15,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:23:15,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:23:15,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681169914] [2021-12-22 20:23:15,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:23:15,909 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:23:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:15,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-22 20:23:15,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:15,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917779824] [2021-12-22 20:23:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:15,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:15,927 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:15,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:16,035 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:23:16,047 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:23:16,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:23:16,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:23:16,048 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:23:16,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:23:16,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:23:16,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_productSimulator.cil.c_Iteration1_Loop [2021-12-22 20:23:16,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:23:16,050 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:23:16,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,140 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:23:16,141 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:23:16,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:23:16,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:16,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-22 20:23:16,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:23:16,187 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___9~0#1=-8, ULTIMATE.start_test_#t~nondet69#1=-8} Honda state: {ULTIMATE.start_test_~tmp___9~0#1=-8, ULTIMATE.start_test_#t~nondet69#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:23:16,213 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 [2021-12-22 20:23:16,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-22 20:23:16,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:23:16,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:16,244 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:23:16,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:23:16,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-22 20:23:16,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-22 20:23:16,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:23:16,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:16,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-22 20:23:16,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-22 20:23:16,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:23:16,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:23:16,391 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:23:16,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-22 20:23:16,399 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:23:16,399 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:23:16,399 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:23:16,399 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:23:16,399 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:23:16,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,400 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:23:16,400 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:23:16,400 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_productSimulator.cil.c_Iteration1_Loop [2021-12-22 20:23:16,400 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:23:16,400 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:23:16,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:23:16,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:23:16,489 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:23:16,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:23:16,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:23:16,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:23:16,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:23:16,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:23:16,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:23:16,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:23:16,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:23:16,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-22 20:23:16,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:23:16,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-22 20:23:16,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-22 20:23:16,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:23:16,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:23:16,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:23:16,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:23:16,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:23:16,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:23:16,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:23:16,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:23:16,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:23:16,588 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 20:23:16,588 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-22 20:23:16,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:16,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:16,592 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:16,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-22 20:23:16,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:23:16,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:23:16,632 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:23:16,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-12-22 20:23:16,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-22 20:23:16,663 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:23:16,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:16,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:23:16,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:23:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:16,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 20:23:16,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:23:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:23:16,998 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-22 20:23:17,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39478 states, 39477 states have (on average 1.539250702940953) internal successors, (60765), 39477 states have internal predecessors, (60765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:17,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-22 20:23:20,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39478 states, 39477 states have (on average 1.539250702940953) internal successors, (60765), 39477 states have internal predecessors, (60765), 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 117923 states and 181433 transitions. Complement of second has 7 states. [2021-12-22 20:23:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-22 20:23:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:20,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120854 transitions. [2021-12-22 20:23:20,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120854 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-22 20:23:20,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:23:20,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120854 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-22 20:23:20,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:23:20,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 120854 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-22 20:23:20,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:23:20,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117923 states and 181433 transitions. [2021-12-22 20:23:21,320 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:23:21,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117923 states to 0 states and 0 transitions. [2021-12-22 20:23:21,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:23:21,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:23:21,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:23:21,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:21,324 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:21,324 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:21,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:23:21,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:23:21,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:23:21,331 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:21,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:23:21,333 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-22 20:23:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 20:23:21,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-22 20:23:21,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:23:21,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 20:23:21,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:23:21,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:23:21,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:23:21,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:21,336 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:21,336 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:21,336 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:23:21,336 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:23:21,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 20:23:21,337 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:23:21,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:23:21,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:23:21 BoogieIcfgContainer [2021-12-22 20:23:21,344 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:23:21,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:23:21,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:23:21,345 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:23:21,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:13" (3/4) ... [2021-12-22 20:23:21,348 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:23:21,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:23:21,350 INFO L158 Benchmark]: Toolchain (without parser) took 49967.63ms. Allocated memory was 121.6MB in the beginning and 9.2GB in the end (delta: 9.1GB). Free memory was 81.4MB in the beginning and 7.7GB in the end (delta: -7.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-12-22 20:23:21,351 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 92.7MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:21,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.55ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 64.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-22 20:23:21,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 3209.95ms. Allocated memory was 121.6MB in the beginning and 853.5MB in the end (delta: 731.9MB). Free memory was 64.2MB in the beginning and 512.0MB in the end (delta: -447.9MB). Peak memory consumption was 368.6MB. Max. memory is 16.1GB. [2021-12-22 20:23:21,357 INFO L158 Benchmark]: Boogie Preprocessor took 3740.31ms. Allocated memory was 853.5MB in the beginning and 2.6GB in the end (delta: 1.7GB). Free memory was 512.0MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 352.3MB. Max. memory is 16.1GB. [2021-12-22 20:23:21,357 INFO L158 Benchmark]: RCFGBuilder took 34503.79ms. Allocated memory was 2.6GB in the beginning and 9.2GB in the end (delta: 6.6GB). Free memory was 1.9GB in the beginning and 7.9GB in the end (delta: -5.9GB). Peak memory consumption was 822.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:21,358 INFO L158 Benchmark]: BuchiAutomizer took 7786.81ms. Allocated memory is still 9.2GB. Free memory was 7.9GB in the beginning and 7.7GB in the end (delta: 217.3MB). Peak memory consumption was 214.2MB. Max. memory is 16.1GB. [2021-12-22 20:23:21,363 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 9.2GB. Free memory is still 7.7GB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:21,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 92.7MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.55ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 64.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3209.95ms. Allocated memory was 121.6MB in the beginning and 853.5MB in the end (delta: 731.9MB). Free memory was 64.2MB in the beginning and 512.0MB in the end (delta: -447.9MB). Peak memory consumption was 368.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3740.31ms. Allocated memory was 853.5MB in the beginning and 2.6GB in the end (delta: 1.7GB). Free memory was 512.0MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 352.3MB. Max. memory is 16.1GB. * RCFGBuilder took 34503.79ms. Allocated memory was 2.6GB in the beginning and 9.2GB in the end (delta: 6.6GB). Free memory was 1.9GB in the beginning and 7.9GB in the end (delta: -5.9GB). Peak memory consumption was 822.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 7786.81ms. Allocated memory is still 9.2GB. Free memory was 7.9GB in the beginning and 7.7GB in the end (delta: 217.3MB). Peak memory consumption was 214.2MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 9.2GB. Free memory is still 7.7GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 3.7s. 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 0.8s 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, 60700 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60699 mSDsluCounter, 181843 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121144 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 60699 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: 33ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 20:23:21,414 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...