./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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_spec0_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 21cba858597c5d9cbe60783ac5066addbb557043 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:47:23,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:47:23,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:47:23,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:47:23,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:47:23,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:47:23,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:47:23,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:47:23,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:47:23,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:47:23,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:47:23,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:47:23,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:47:23,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:47:23,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:47:23,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:47:23,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:47:23,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:47:23,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:47:23,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:47:23,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:47:23,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:47:23,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:47:23,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:47:23,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:47:23,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:47:23,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:47:23,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:47:23,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:47:23,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:47:23,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:47:23,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:47:23,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:47:23,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:47:23,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:47:23,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:47:23,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:47:23,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:47:23,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:47:23,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:47:23,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:47:23,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:47:23,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:47:23,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:47:23,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:47:23,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:47:23,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:47:23,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:47:23,180 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:47:23,180 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:47:23,181 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:47:23,181 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:47:23,181 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:47:23,181 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:47:23,181 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:47:23,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:47:23,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:47:23,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:47:23,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:47:23,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:47:23,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:47:23,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:47:23,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:47:23,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:47:23,184 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:47:23,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:47:23,184 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:47:23,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:47:23,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:47:23,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:47:23,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:47:23,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:47:23,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:47:23,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:47:23,187 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:47:23,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21cba858597c5d9cbe60783ac5066addbb557043 [2021-08-27 15:47:23,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:47:23,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:47:23,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:47:23,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:47:23,564 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:47:23,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2021-08-27 15:47:23,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bd38fe1/2693e14f74854228b997c803abeefa9e/FLAG92014a975 [2021-08-27 15:47:24,208 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:47:24,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2021-08-27 15:47:24,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bd38fe1/2693e14f74854228b997c803abeefa9e/FLAG92014a975 [2021-08-27 15:47:24,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bd38fe1/2693e14f74854228b997c803abeefa9e [2021-08-27 15:47:24,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:47:24,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:47:24,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:47:24,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:47:24,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:47:24,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:47:24" (1/1) ... [2021-08-27 15:47:24,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3441d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:24, skipping insertion in model container [2021-08-27 15:47:24,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:47:24" (1/1) ... [2021-08-27 15:47:24,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:47:24,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:47:24,828 WARN L228 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_spec0_productSimulator.cil.c[14543,14556] [2021-08-27 15:47:24,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:47:24,980 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:47:25,035 WARN L228 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_spec0_productSimulator.cil.c[14543,14556] [2021-08-27 15:47:25,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:47:25,168 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:47:25,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25 WrapperNode [2021-08-27 15:47:25,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:47:25,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:47:25,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:47:25,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:47:25,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:25,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:29,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:47:29,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:47:29,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:47:29,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:47:29,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:29,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:30,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:30,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:31,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:32,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:32,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:33,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:47:33,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:47:33,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:47:33,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:47:33,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (1/1) ... [2021-08-27 15:47:33,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:47:33,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:47:33,386 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) [2021-08-27 15:47:33,388 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 [2021-08-27 15:47:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 15:47:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:47:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:47:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:48:14,833 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:48:14,834 INFO L299 CfgBuilder]: Removed 37403 assume(true) statements. [2021-08-27 15:48:14,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:48:14 BoogieIcfgContainer [2021-08-27 15:48:14,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:48:14,867 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:48:14,867 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:48:14,870 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:48:14,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:48:14,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:47:24" (1/3) ... [2021-08-27 15:48:14,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26e56feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:48:14, skipping insertion in model container [2021-08-27 15:48:14,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:48:14,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:47:25" (2/3) ... [2021-08-27 15:48:14,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26e56feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:48:14, skipping insertion in model container [2021-08-27 15:48:14,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:48:14,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:48:14" (3/3) ... [2021-08-27 15:48:14,874 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2021-08-27 15:48:14,915 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:48:14,915 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:48:14,915 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:48:14,915 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:48:14,916 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:48:14,916 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:48:14,916 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:48:14,916 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:48:15,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 35988 states, 35987 states have (on average 1.5995498374412982) internal successors, (57563), 35987 states have internal predecessors, (57563), 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) [2021-08-27 15:48:15,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:48:15,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:48:15,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:48:15,862 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] [2021-08-27 15:48:15,862 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:48:15,862 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:48:15,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 35988 states, 35987 states have (on average 1.5995498374412982) internal successors, (57563), 35987 states have internal predecessors, (57563), 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) [2021-08-27 15:48:16,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:48:16,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:48:16,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:48:16,277 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] [2021-08-27 15:48:16,277 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:48:16,288 INFO L791 eck$LassoCheckResult]: Stem: 25174#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(115, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(44);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(11);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(19);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string79.base, #t~string79.offset, 1);call write~init~int(100, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(10, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(13);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 22314#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~36, main_~tmp~16;havoc main_~retValue_acc~36;havoc main_~tmp~16;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 16976#L88true havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 2280#L61true select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 34138#L61-1true select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 1713#L61-2true select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 28181#L61-3true select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 21347#L61-4true select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 31592#L61-5true select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret13;havoc select_features_#t~ret13;~__SELECTED_FEATURE_Forward~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 31093#L61-6true select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 27956#L61-7true select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 4667#L80true havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 28980#L96true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 18656#L99true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0 := 0; 7321#L99-1true valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 23417#L156true main_#t~ret71 := valid_product_#res;main_~tmp~16 := main_#t~ret71;havoc main_#t~ret71; 35702#L2444true assume 0 != main_~tmp~16;havoc setup_#t~nondet66, setup_#t~nondet68, setup_#t~nondet70, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 22319#L2288true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 31995#L1824-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 33322#L1830-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 11858#L2326true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 35758#L1824-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 31335#L1830-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 19432#L2364true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 31343#L1824-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29783#L1830-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string69.base, #t~string69.offset;havoc setup_#t~nondet70; 19089#L2431true havoc test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3104#L2832-1true [2021-08-27 15:48:16,288 INFO L793 eck$LassoCheckResult]: Loop: 3104#L2832-1true assume !false; 22986#L2641true assume test_~splverifierCounter~0 < 4; 10518#L2642true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 8037#L2648true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet86;havoc test_#t~nondet86; 24653#L2652true assume 0 != test_~tmp___9~0; 34396#L2653true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 22602#L2653-1true test_~op1~0 := 1; 3104#L2832-1true [2021-08-27 15:48:16,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:16,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-27 15:48:16,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:48:16,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689810957] [2021-08-27 15:48:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:48:16,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:48:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:48:16,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:48:16,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689810957] [2021-08-27 15:48:16,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689810957] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:48:16,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:48:16,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:48:16,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47863516] [2021-08-27 15:48:16,684 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:48:16,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:16,686 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-27 15:48:16,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:48:16,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740519367] [2021-08-27 15:48:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:48:16,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:48:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:48:16,704 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:48:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:48:16,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:48:17,068 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:48:17,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:48:17,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:48:17,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:48:17,069 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:48:17,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:48:17,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:48:17,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:48:17,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:48:17,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:48:17,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,176 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:48:17,177 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:48:17,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:17,181 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) [2021-08-27 15:48:17,187 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 [2021-08-27 15:48:17,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:17,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:17,216 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:48:17,216 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___9~0=7, ULTIMATE.start_test_#t~nondet86=7} Honda state: {ULTIMATE.start_test_~tmp___9~0=7, ULTIMATE.start_test_#t~nondet86=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:48:17,258 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 [2021-08-27 15:48:17,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:17,261 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) [2021-08-27 15:48:17,264 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 [2021-08-27 15:48:17,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:17,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:17,306 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 [2021-08-27 15:48:17,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:17,308 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) [2021-08-27 15:48:17,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:48:17,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:17,332 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 [2021-08-27 15:48:17,333 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:48:17,349 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 [2021-08-27 15:48:17,349 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:48:17,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:48:17,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:48:17,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:48:17,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:48:17,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:48:17,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:48:17,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:48:17,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:48:17,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:48:17,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:17,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:48:17,476 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:48:17,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:17,478 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) [2021-08-27 15:48:17,479 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 [2021-08-27 15:48:17,481 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 [2021-08-27 15:48:17,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:48:17,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:48:17,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:48:17,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:48:17,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:48:17,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:48:17,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:48:17,508 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:48:17,514 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:48:17,514 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:48:17,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:17,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:17,517 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) [2021-08-27 15:48:17,518 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 [2021-08-27 15:48:17,519 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:48:17,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:48:17,520 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:48:17,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-08-27 15:48:17,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-27 15:48:17,544 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:48:17,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:17,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:48:17,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:48:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:17,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:48:17,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:48:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:48:18,022 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:48:18,071 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 35988 states, 35987 states have (on average 1.5995498374412982) internal successors, (57563), 35987 states have internal predecessors, (57563), 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 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-27 15:48:19,413 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 [2021-08-27 15:48:21,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 35988 states, 35987 states have (on average 1.5995498374412982) internal successors, (57563), 35987 states have internal predecessors, (57563), 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 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 179311 states and 286432 transitions. Complement of second has 7 states. [2021-08-27 15:48:21,969 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 [2021-08-27 15:48:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-27 15:48:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 171876 transitions. [2021-08-27 15:48:22,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 171876 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-27 15:48:22,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:22,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 171876 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-27 15:48:22,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:22,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 171876 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-27 15:48:22,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:22,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179311 states and 286432 transitions. [2021-08-27 15:48:23,294 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-27 15:48:23,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179311 states to 990 states and 1812 transitions. [2021-08-27 15:48:23,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-27 15:48:23,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-27 15:48:23,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-27 15:48:23,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:48:23,318 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-27 15:48:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-27 15:48:23,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-27 15:48:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.8216216216216217) internal successors, (1011), 554 states have internal predecessors, (1011), 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) [2021-08-27 15:48:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-27 15:48:23,371 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-27 15:48:23,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:48:23,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:48:23,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:48:23,380 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-08-27 15:48:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:48:23,449 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-27 15:48:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:48:23,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-27 15:48:23,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:48:23,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-27 15:48:23,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-27 15:48:23,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-27 15:48:23,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-27 15:48:23,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:48:23,457 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:48:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-27 15:48:23,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-27 15:48:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.809009009009009) internal successors, (1004), 554 states have internal predecessors, (1004), 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) [2021-08-27 15:48:23,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-27 15:48:23,480 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:48:23,480 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:48:23,480 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:48:23,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-27 15:48:23,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:48:23,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:48:23,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:48:23,484 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] [2021-08-27 15:48:23,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:48:23,485 INFO L791 eck$LassoCheckResult]: Stem: 217101#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(115, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(44);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(11);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(19);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string79.base, #t~string79.offset, 1);call write~init~int(100, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(10, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(13);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 217033#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~36, main_~tmp~16;havoc main_~retValue_acc~36;havoc main_~tmp~16;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 216851#L88 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216776#L61 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216777#L61-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216724#L61-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216725#L61-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216710#L61-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216654#L61-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret13;havoc select_features_#t~ret13;~__SELECTED_FEATURE_Forward~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216655#L61-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216860#L61-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 216931#L80 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 216966#L96 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 216887#L100 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 216632#L105 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 216775#L110 assume 0 == ~__SELECTED_FEATURE_Sign~0; 216739#L115 assume 0 == ~__SELECTED_FEATURE_Verify~0; 216752#L120 assume 0 == ~__SELECTED_FEATURE_Sign~0; 217047#L125 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 216711#L99-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 216712#L156 main_#t~ret71 := valid_product_#res;main_~tmp~16 := main_#t~ret71;havoc main_#t~ret71; 216608#L2444 assume 0 != main_~tmp~16;havoc setup_#t~nondet66, setup_#t~nondet68, setup_#t~nondet70, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 216609#L2288 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 216929#L1824-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216606#L1830-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 216638#L2326 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 216639#L1824-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216705#L1830-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 216641#L2364 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 216642#L1824-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216694#L1830-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string69.base, #t~string69.offset;havoc setup_#t~nondet70; 217095#L2431 havoc test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 217096#L2832-1 assume !false; 217097#L2641 [2021-08-27 15:48:23,485 INFO L793 eck$LassoCheckResult]: Loop: 217097#L2641 assume test_~splverifierCounter~0 < 4; 216888#L2642 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 216889#L2648 assume !(0 == test_~op1~0); 216659#L2665 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet87;havoc test_#t~nondet87; 216675#L2670 assume 0 != test_~tmp___8~0; 216677#L2671 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 216798#L2671-1 test_~op2~0 := 1; 216602#L2832-1 assume !false; 217097#L2641 [2021-08-27 15:48:23,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:23,486 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-27 15:48:23,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:48:23,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73526341] [2021-08-27 15:48:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:48:23,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:48:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:48:23,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:48:23,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73526341] [2021-08-27 15:48:23,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73526341] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:48:23,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:48:23,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 15:48:23,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219269152] [2021-08-27 15:48:23,598 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:48:23,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:23,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-27 15:48:23,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:48:23,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928747921] [2021-08-27 15:48:23,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:48:23,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:48:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:48:23,609 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:48:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:48:23,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:48:23,669 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:48:23,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:48:23,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:48:23,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:48:23,670 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:48:23,670 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:23,670 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:48:23,670 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:48:23,670 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:48:23,670 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:48:23,670 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:48:23,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:23,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:23,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:23,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:23,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:23,922 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:48:23,923 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:48:23,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:23,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:23,924 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) [2021-08-27 15:48:23,931 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 [2021-08-27 15:48:23,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:23,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:23,985 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 [2021-08-27 15:48:23,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:23,989 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) [2021-08-27 15:48:23,990 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 [2021-08-27 15:48:23,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:48:23,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:24,016 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:48:24,043 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 [2021-08-27 15:48:24,043 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:48:24,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:48:24,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:48:24,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:48:24,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:48:24,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:24,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:48:24,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:48:24,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:48:24,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:48:24,044 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:48:24,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:24,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:24,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:24,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:24,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:24,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:48:24,144 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:48:24,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:24,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:24,149 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2021-08-27 15:48:24,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 15:48:24,152 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 [2021-08-27 15:48:24,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:48:24,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:48:24,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:48:24,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:48:24,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:48:24,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:48:24,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:48:24,176 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:48:24,190 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:48:24,190 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:48:24,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:24,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:24,191 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2021-08-27 15:48:24,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 15:48:24,194 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:48:24,194 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:48:24,194 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:48:24,194 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-08-27 15:48:24,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:24,220 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:48:24,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:24,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:48:24,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:48:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:24,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:48:24,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:48:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:48:24,638 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 [2021-08-27 15:48:24,639 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-08-27 15:48:24,770 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 2006 states and 3673 transitions. Complement of second has 6 states. [2021-08-27 15:48:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:48:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-08-27 15:48:24,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-27 15:48:24,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-27 15:48:24,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:24,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-27 15:48:24,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:24,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-27 15:48:24,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:24,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-27 15:48:24,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-27 15:48:24,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-27 15:48:24,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-27 15:48:24,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-27 15:48:24,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-27 15:48:24,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:48:24,794 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-27 15:48:24,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-27 15:48:24,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-27 15:48:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8229066410009624) internal successors, (1894), 1038 states have internal predecessors, (1894), 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) [2021-08-27 15:48:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-27 15:48:24,814 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-27 15:48:24,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:48:24,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 15:48:24,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 15:48:24,815 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 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) [2021-08-27 15:48:24,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:48:24,882 INFO L93 Difference]: Finished difference Result 2023 states and 3698 transitions. [2021-08-27 15:48:24,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:48:24,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2023 states and 3698 transitions. [2021-08-27 15:48:24,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 426 [2021-08-27 15:48:24,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2023 states to 2023 states and 3698 transitions. [2021-08-27 15:48:24,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 507 [2021-08-27 15:48:24,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 507 [2021-08-27 15:48:24,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2023 states and 3698 transitions. [2021-08-27 15:48:24,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:48:24,901 INFO L681 BuchiCegarLoop]: Abstraction has 2023 states and 3698 transitions. [2021-08-27 15:48:24,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states and 3698 transitions. [2021-08-27 15:48:24,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 1037. [2021-08-27 15:48:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1037 states have (on average 1.8187078109932497) internal successors, (1886), 1036 states have internal predecessors, (1886), 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) [2021-08-27 15:48:24,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1886 transitions. [2021-08-27 15:48:24,920 INFO L704 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2021-08-27 15:48:24,920 INFO L587 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2021-08-27 15:48:24,920 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:48:24,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1037 states and 1886 transitions. [2021-08-27 15:48:24,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:48:24,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:48:24,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:48:24,924 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, 1, 1] [2021-08-27 15:48:24,924 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:48:24,924 INFO L791 eck$LassoCheckResult]: Stem: 222886#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(115, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(44);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(11);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(19);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string79.base, #t~string79.offset, 1);call write~init~int(100, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(10, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(13);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 222812#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~36, main_~tmp~16;havoc main_~retValue_acc~36;havoc main_~tmp~16;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 222617#L88 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222548#L61 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222549#L61-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222496#L61-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222497#L61-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222477#L61-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222428#L61-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret13;havoc select_features_#t~ret13;~__SELECTED_FEATURE_Forward~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222429#L61-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222631#L61-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 222700#L80 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 222741#L96 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222658#L100 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 222405#L105 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222547#L110 assume 0 == ~__SELECTED_FEATURE_Sign~0; 222511#L115 assume 0 == ~__SELECTED_FEATURE_Verify~0; 222524#L120 assume 0 == ~__SELECTED_FEATURE_Sign~0; 222827#L125 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 222478#L99-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 222479#L156 main_#t~ret71 := valid_product_#res;main_~tmp~16 := main_#t~ret71;havoc main_#t~ret71; 222381#L2444 assume 0 != main_~tmp~16;havoc setup_#t~nondet66, setup_#t~nondet68, setup_#t~nondet70, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 222382#L2288 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222699#L1824-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222379#L1830-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 222412#L2326 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222413#L1824-6 assume !(1 == setClientId_~handle); 222535#L1827-6 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 222476#L1830-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 222415#L2364 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222416#L1824-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222465#L1830-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string69.base, #t~string69.offset;havoc setup_#t~nondet70; 222877#L2431 havoc test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 222878#L2832-1 assume !false; 222953#L2641 assume test_~splverifierCounter~0 < 4; 222659#L2642 [2021-08-27 15:48:24,924 INFO L793 eck$LassoCheckResult]: Loop: 222659#L2642 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 222660#L2648 assume !(0 == test_~op1~0); 222433#L2665 assume !(0 == test_~op2~0); 222451#L2683 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet88;havoc test_#t~nondet88; 222745#L2688 assume 0 != test_~tmp___7~0; 222810#L2689 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 222605#L2689-1 test_~op3~0 := 1; 222375#L2832-1 assume !false; 222889#L2641 assume test_~splverifierCounter~0 < 4; 222659#L2642 [2021-08-27 15:48:24,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:24,925 INFO L82 PathProgramCache]: Analyzing trace with hash 351408190, now seen corresponding path program 1 times [2021-08-27 15:48:24,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:48:24,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781019477] [2021-08-27 15:48:24,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:48:24,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:48:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:48:25,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:48:25,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781019477] [2021-08-27 15:48:25,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781019477] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:48:25,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:48:25,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 15:48:25,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530216264] [2021-08-27 15:48:25,027 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:48:25,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:25,027 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-27 15:48:25,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:48:25,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643568623] [2021-08-27 15:48:25,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:48:25,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:48:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:48:25,034 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:48:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:48:25,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:48:25,100 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:48:25,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:48:25,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:48:25,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:48:25,101 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:48:25,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:48:25,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:48:25,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:48:25,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:48:25,101 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:48:25,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:48:25,205 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:48:25,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,206 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2021-08-27 15:48:25,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 15:48:25,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:25,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:25,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:48:25,225 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: [] [2021-08-27 15:48:25,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,253 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2021-08-27 15:48:25,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:25,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:25,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 15:48:25,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:48:25,281 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:48:25,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,308 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2021-08-27 15:48:25,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 15:48:25,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:25,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:25,345 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:48:25,345 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet88=4, ULTIMATE.start_test_~tmp___7~0=4} Honda state: {ULTIMATE.start_test_#t~nondet88=4, ULTIMATE.start_test_~tmp___7~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:48:25,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,369 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2021-08-27 15:48:25,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:48:25,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:25,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 15:48:25,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,421 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-08-27 15:48:25,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:48:25,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:48:25,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 15:48:25,529 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:48:25,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,535 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:48:25,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:48:25,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:48:25,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:48:25,535 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:48:25,535 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,535 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:48:25,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:48:25,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:48:25,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:48:25,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:48:25,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:48:25,635 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:48:25,635 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:48:25,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,637 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-08-27 15:48:25,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 15:48:25,646 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 [2021-08-27 15:48:25,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:48:25,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:48:25,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:48:25,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:48:25,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:48:25,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:48:25,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:48:25,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:48:25,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,697 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-08-27 15:48:25,708 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 [2021-08-27 15:48:25,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:48:25,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:48:25,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:48:25,714 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:48:25,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:48:25,716 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:48:25,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:48:25,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 15:48:25,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:48:25,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,753 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-08-27 15:48:25,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 15:48:25,756 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 [2021-08-27 15:48:25,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:48:25,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:48:25,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:48:25,763 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:48:25,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:48:25,765 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:48:25,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:48:25,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:48:25,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,805 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-08-27 15:48:25,815 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 [2021-08-27 15:48:25,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:48:25,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:48:25,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:48:25,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:48:25,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:48:25,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:48:25,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:48:25,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 15:48:25,836 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:48:25,847 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:48:25,847 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:48:25,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:48:25,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:48:25,849 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-08-27 15:48:25,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:48:25,856 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:48:25,856 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:48:25,856 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-08-27 15:48:25,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 15:48:25,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:25,881 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:48:25,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:48:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:26,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:48:26,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:48:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:48:26,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:48:26,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:48:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:48:26,218 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:48:26,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853 Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-08-27 15:48:26,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 2226 states and 4077 transitions. Complement of second has 4 states. [2021-08-27 15:48:26,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:48:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-08-27 15:48:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2021-08-27 15:48:26,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 9 letters. [2021-08-27 15:48:26,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:26,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 44 letters. Loop has 9 letters. [2021-08-27 15:48:26,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:26,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 18 letters. [2021-08-27 15:48:26,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:48:26,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2226 states and 4077 transitions. [2021-08-27 15:48:26,293 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:48:26,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2226 states to 0 states and 0 transitions. [2021-08-27 15:48:26,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:48:26,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:48:26,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:48:26,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:48:26,294 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:48:26,294 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:48:26,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:48:26,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 15:48:26,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 15:48:26,295 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-08-27 15:48:26,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:48:26,295 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:48:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:48:26,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:48:26,295 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:48:26,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:48:26,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:48:26,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:48:26,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:48:26,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:48:26,296 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:48:26,296 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:48:26,296 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:48:26,296 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:48:26,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:48:26,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:48:26,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:48:26,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:48:26 BoogieIcfgContainer [2021-08-27 15:48:26,301 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:48:26,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:48:26,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:48:26,302 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:48:26,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:48:14" (3/4) ... [2021-08-27 15:48:26,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:48:26,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:48:26,306 INFO L168 Benchmark]: Toolchain (without parser) took 61833.51 ms. Allocated memory was 60.8 MB in the beginning and 9.8 GB in the end (delta: 9.8 GB). Free memory was 37.9 MB in the beginning and 8.0 GB in the end (delta: -7.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,306 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 42.6 MB in the beginning and 42.5 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:48:26,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.50 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.7 MB in the beginning and 42.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 4294.40 ms. Allocated memory was 73.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 42.9 MB in the beginning and 967.1 MB in the end (delta: -924.2 MB). Peak memory consumption was 800.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,308 INFO L168 Benchmark]: Boogie Preprocessor took 3900.69 ms. Allocated memory was 1.8 GB in the beginning and 5.4 GB in the end (delta: 3.6 GB). Free memory was 967.1 MB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 439.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,308 INFO L168 Benchmark]: RCFGBuilder took 41499.06 ms. Allocated memory was 5.4 GB in the beginning and 9.6 GB in the end (delta: 4.2 GB). Free memory was 4.7 GB in the beginning and 8.1 GB in the end (delta: -3.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,309 INFO L168 Benchmark]: BuchiAutomizer took 11434.27 ms. Allocated memory was 9.6 GB in the beginning and 9.8 GB in the end (delta: 262.1 MB). Free memory was 8.1 GB in the beginning and 8.0 GB in the end (delta: 129.0 MB). Peak memory consumption was 391.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,309 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 9.8 GB. Free memory was 8.0 GB in the beginning and 8.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:48:26,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 42.6 MB in the beginning and 42.5 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 694.50 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.7 MB in the beginning and 42.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 4294.40 ms. Allocated memory was 73.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 42.9 MB in the beginning and 967.1 MB in the end (delta: -924.2 MB). Peak memory consumption was 800.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 3900.69 ms. Allocated memory was 1.8 GB in the beginning and 5.4 GB in the end (delta: 3.6 GB). Free memory was 967.1 MB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 439.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 41499.06 ms. Allocated memory was 5.4 GB in the beginning and 9.6 GB in the end (delta: 4.2 GB). Free memory was 4.7 GB in the beginning and 8.1 GB in the end (delta: -3.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 11434.27 ms. Allocated memory was 9.6 GB in the beginning and 9.8 GB in the end (delta: 262.1 MB). Free memory was 8.1 GB in the beginning and 8.0 GB in the end (delta: 129.0 MB). Peak memory consumption was 391.1 MB. Max. memory is 16.1 GB. * Witness Printer took 2.87 ms. Allocated memory is still 9.8 GB. Free memory was 8.0 GB in the beginning and 8.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 5 + -2 * splverifierCounter and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 5.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 103.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 2378 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 1.2s Buchi closure took 0.0s. Biggest automaton had 1037 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118036 SDtfs, 117505 SDslu, 176142 SDs, 0 SdLazy, 65 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:48:26,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:26,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 15:48:26,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...