./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 c3fed411 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 1b548755c8e9cfcfe9ed8b47fb1ac823ac6821056e7770bffa975fdbf413b243 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:03:07,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:03:07,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:03:07,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:03:07,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:03:07,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:03:07,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:03:07,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:03:07,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:03:07,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:03:07,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:03:07,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:03:07,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:03:07,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:03:07,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:03:07,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:03:07,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:03:07,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:03:07,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:03:07,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:03:07,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:03:07,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:03:07,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:03:07,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:03:07,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:03:07,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:03:07,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:03:07,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:03:07,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:03:07,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:03:07,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:03:07,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:03:07,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:03:07,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:03:07,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:03:07,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:03:07,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:03:07,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:03:07,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:03:07,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:03:07,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:03:07,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:03:07,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:03:07,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:03:07,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:03:07,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:03:07,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:03:07,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:03:07,913 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:03:07,913 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:03:07,913 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:03:07,913 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:03:07,914 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:03:07,914 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:03:07,914 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:03:07,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:03:07,914 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:03:07,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:03:07,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:03:07,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:03:07,916 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:03:07,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:03:07,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:03:07,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:03:07,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:03:07,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:03:07,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:03:07,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:03:07,918 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:03:07,918 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b548755c8e9cfcfe9ed8b47fb1ac823ac6821056e7770bffa975fdbf413b243 [2021-12-19 19:03:08,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:03:08,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:03:08,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:03:08,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:03:08,135 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:03:08,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2021-12-19 19:03:08,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bedfb4396/ea337a0e9ad44099a470b4d4ac9651a9/FLAGfc0d355a1 [2021-12-19 19:03:08,618 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:03:08,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2021-12-19 19:03:08,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bedfb4396/ea337a0e9ad44099a470b4d4ac9651a9/FLAGfc0d355a1 [2021-12-19 19:03:08,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bedfb4396/ea337a0e9ad44099a470b4d4ac9651a9 [2021-12-19 19:03:08,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:03:08,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:03:08,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:03:08,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:03:08,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:03:08,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:03:08" (1/1) ... [2021-12-19 19:03:08,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e170bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:08, skipping insertion in model container [2021-12-19 19:03:08,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:03:08" (1/1) ... [2021-12-19 19:03:08,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:03:08,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:03:08,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c[14867,14880] [2021-12-19 19:03:09,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:03:09,011 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:03:09,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c[14867,14880] [2021-12-19 19:03:09,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:03:09,095 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:03:09,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09 WrapperNode [2021-12-19 19:03:09,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:03:09,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:03:09,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:03:09,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:03:09,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:09,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:11,544 INFO L137 Inliner]: procedures = 151, calls = 282, calls flagged for inlining = 187, calls inlined = 18701, statements flattened = 249662 [2021-12-19 19:03:11,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:03:11,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:03:11,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:03:11,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:03:11,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:11,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:12,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:12,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:13,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:13,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:13,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:14,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:03:14,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:03:14,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:03:14,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:03:14,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (1/1) ... [2021-12-19 19:03:14,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:14,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:14,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:14,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 19:03:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-19 19:03:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:03:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:03:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:03:14,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:03:14,889 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:03:14,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:03:42,135 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:03:42,247 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:03:42,248 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 19:03:42,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:03:42 BoogieIcfgContainer [2021-12-19 19:03:42,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:03:42,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:03:42,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:03:42,280 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:03:42,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:03:42,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:03:08" (1/3) ... [2021-12-19 19:03:42,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58748608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:03:42, skipping insertion in model container [2021-12-19 19:03:42,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:03:42,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:03:09" (2/3) ... [2021-12-19 19:03:42,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58748608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:03:42, skipping insertion in model container [2021-12-19 19:03:42,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:03:42,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:03:42" (3/3) ... [2021-12-19 19:03:42,284 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2021-12-19 19:03:42,319 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:03:42,319 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:03:42,319 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:03:42,319 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:03:42,319 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:03:42,319 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:03:42,319 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:03:42,320 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:03:42,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:03:43,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-19 19:03:43,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:03:43,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:03:43,216 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:03:43,216 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:03:43,217 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:03:43,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:03:43,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2021-12-19 19:03:43,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:03:43,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:03:43,527 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:03:43,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:03:43,541 INFO L791 eck$LassoCheckResult]: Stem: 28269#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(34, 5);call #Ultimate.allocInit(30, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(115, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(44, 12);call #Ultimate.allocInit(44, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(11, 16);call #Ultimate.allocInit(19, 17);call #Ultimate.allocInit(4, 18);call write~init~int(37, 18, 0, 1);call write~init~int(100, 18, 1, 1);call write~init~int(10, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(37, 19, 0, 1);call write~init~int(100, 19, 1, 1);call write~init~int(10, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(16, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(12, 22);call #Ultimate.allocInit(10, 23);call #Ultimate.allocInit(18, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(21, 26);call #Ultimate.allocInit(13, 27);call #Ultimate.allocInit(16, 28);call #Ultimate.allocInit(25, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(9, 31);call #Ultimate.allocInit(21, 32);call #Ultimate.allocInit(30, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(21, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(25, 38);call #Ultimate.allocInit(30, 39);call #Ultimate.allocInit(9, 40);call #Ultimate.allocInit(25, 41);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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; 25135#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret55#1, main_~retValue_acc~36#1, main_~tmp~16#1;havoc main_~retValue_acc~36#1;havoc main_~tmp~16#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 32361#L96true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret5#1, select_features_#t~ret6#1, select_features_#t~ret7#1, select_features_#t~ret8#1, select_features_#t~ret9#1, select_features_#t~ret10#1, select_features_#t~ret11#1, select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 27109#L69true select_features_#t~ret5#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret5#1;havoc select_features_#t~ret5#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 9692#L69-1true select_features_#t~ret6#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret6#1;havoc select_features_#t~ret6#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 5728#L69-2true select_features_#t~ret7#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret7#1;havoc select_features_#t~ret7#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 24987#L69-3true select_features_#t~ret8#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret8#1;havoc select_features_#t~ret8#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 16871#L69-4true select_features_#t~ret9#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret9#1;havoc select_features_#t~ret9#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 27336#L69-5true select_features_#t~ret10#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret10#1;havoc select_features_#t~ret10#1;~__SELECTED_FEATURE_Forward~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 21732#L69-6true select_features_#t~ret11#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 37081#L69-7true select_features_#t~ret12#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1; 19126#L88true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1, valid_product_~tmp~0#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~tmp~0#1; 32422#L104true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 34835#L107true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0#1 := 0; 16256#L107-1true valid_product_~retValue_acc~1#1 := valid_product_~tmp~0#1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21982#L164true main_#t~ret55#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~16#1 := main_#t~ret55#1;havoc main_#t~ret55#1; 2253#L2452true assume 0 != main_~tmp~16#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet52#1, setup_#t~nondet53#1, setup_#t~nondet54#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1; 12017#L2296true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_bob__before__Keys } true;setup_bob__before__Keys_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__before__Keys_~bob___0#1;setup_bob__before__Keys_~bob___0#1 := setup_bob__before__Keys_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__before__Keys_~bob___0#1, setup_bob__before__Keys_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 38064#L1832-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9327#L1838-5true assume { :end_inline_setClientId } true; 12667#L2278-1true assume { :end_inline_setup_bob__before__Keys } true; 34255#L2305true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 14, 0;havoc setup_#t~nondet52#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1; 33046#L2334true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_rjh__before__Keys } true;setup_rjh__before__Keys_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__before__Keys_~rjh___0#1;setup_rjh__before__Keys_~rjh___0#1 := setup_rjh__before__Keys_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__before__Keys_~rjh___0#1, setup_rjh__before__Keys_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 16487#L1832-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 41#L1838-11true assume { :end_inline_setClientId } true; 20706#L2316-1true assume { :end_inline_setup_rjh__before__Keys } true; 24380#L2343true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 15, 0;havoc setup_#t~nondet53#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1; 22742#L2372true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_chuck__before__Keys } true;setup_chuck__before__Keys_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__before__Keys_~chuck___0#1;setup_chuck__before__Keys_~chuck___0#1 := setup_chuck__before__Keys_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__before__Keys_~chuck___0#1, setup_chuck__before__Keys_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 25480#L1832-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 19575#L1838-17true assume { :end_inline_setClientId } true; 26721#L2354-1true assume { :end_inline_setup_chuck__before__Keys } true; 1678#L2381true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 16, 0;havoc setup_#t~nondet54#1; 26554#L2439true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~18#1, test_~tmp___0~6#1, test_~tmp___1~4#1, test_~tmp___2~3#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~18#1;havoc test_~tmp___0~6#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~3#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 38750#L2840-1true [2021-12-19 19:03:43,542 INFO L793 eck$LassoCheckResult]: Loop: 38750#L2840-1true assume !false; 34973#L2649true assume test_~splverifierCounter~0#1 < 4; 7387#L2650true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 30342#L2656true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet67#1;havoc test_#t~nondet67#1; 30998#L2660true assume 0 != test_~tmp___9~0#1; 35939#L2661true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 11572#L2661-2true test_~op1~0#1 := 1; 38750#L2840-1true [2021-12-19 19:03:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:03:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2021-12-19 19:03:43,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:03:43,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520036439] [2021-12-19 19:03:43,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:03:43,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:03:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:03:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:03:43,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:03:43,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520036439] [2021-12-19 19:03:43,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520036439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:03:43,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:03:43,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:03:43,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205343255] [2021-12-19 19:03:43,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:03:43,811 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:03:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:03:43,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2021-12-19 19:03:43,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:03:43,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746279278] [2021-12-19 19:03:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:03:43,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:03:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:03:43,817 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:03:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:03:43,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:03:43,895 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:03:43,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:03:43,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:03:43,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:03:43,895 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 19:03:43,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:43,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:03:43,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:03:43,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2021-12-19 19:03:43,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:03:43,896 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:03:43,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:43,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:43,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:43,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:43,974 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:03:43,975 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 19:03:43,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:43,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:43,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:44,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:03:44,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:03:44,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 19:03:44,035 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:03:44,036 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:03:44,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-19 19:03:44,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:44,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:44,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:44,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 19:03:44,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:03:44,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:03:44,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 19:03:44,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:44,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:44,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:44,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 19:03:44,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 19:03:44,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:03:44,196 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 19:03:44,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 19:03:44,204 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:03:44,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:03:44,204 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:03:44,204 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:03:44,204 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 19:03:44,204 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:44,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:03:44,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:03:44,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2021-12-19 19:03:44,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:03:44,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:03:44,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:44,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:44,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:44,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:03:44,267 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:03:44,270 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 19:03:44,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:44,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:44,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:44,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:03:44,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:03:44,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:03:44,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:03:44,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:03:44,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:03:44,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:03:44,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:03:44,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 19:03:44,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:03:44,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 19:03:44,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:44,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:44,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 19:03:44,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:03:44,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:03:44,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:03:44,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:03:44,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:03:44,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:03:44,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:03:44,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:03:44,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 19:03:44,400 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-19 19:03:44,400 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 19:03:44,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:03:44,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:03:44,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:03:44,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 19:03:44,405 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 19:03:44,405 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 19:03:44,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-12-19 19:03:44,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 19:03:44,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 19:03:44,424 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 19:03:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:03:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:03:44,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 19:03:44,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:03:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:03:44,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 19:03:44,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:03:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:03:44,707 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-19 19:03:44,753 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:03:45,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 19:03:47,243 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120899 states and 185177 transitions. Complement of second has 7 states. [2021-12-19 19:03:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-19 19:03:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:03:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123446 transitions. [2021-12-19 19:03:47,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 123446 transitions. Stem has 33 letters. Loop has 7 letters. [2021-12-19 19:03:47,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:03:47,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 123446 transitions. Stem has 40 letters. Loop has 7 letters. [2021-12-19 19:03:47,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:03:47,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 123446 transitions. Stem has 33 letters. Loop has 14 letters. [2021-12-19 19:03:47,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:03:47,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120899 states and 185177 transitions. [2021-12-19 19:03:47,802 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 19:03:47,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120899 states to 0 states and 0 transitions. [2021-12-19 19:03:47,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 19:03:47,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 19:03:47,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 19:03:47,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:03:47,805 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:03:47,805 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:03:47,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:03:47,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 19:03:47,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-19 19:03:47,810 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:03:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:03:47,811 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-19 19:03:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 19:03:47,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-19 19:03:47,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 19:03:47,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-19 19:03:47,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 19:03:47,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 19:03:47,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 19:03:47,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:03:47,812 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:03:47,813 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:03:47,813 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:03:47,813 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:03:47,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 19:03:47,813 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 19:03:47,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 19:03:47,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:03:47 BoogieIcfgContainer [2021-12-19 19:03:47,817 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:03:47,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:03:47,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:03:47,817 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:03:47,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:03:42" (3/4) ... [2021-12-19 19:03:47,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 19:03:47,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:03:47,820 INFO L158 Benchmark]: Toolchain (without parser) took 39168.68ms. Allocated memory was 104.9MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 74.5MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-12-19 19:03:47,820 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:03:47,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.07ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 74.5MB in the beginning and 71.7MB in the end (delta: 2.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-19 19:03:47,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 2449.03ms. Allocated memory was 125.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 71.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 358.6MB. Max. memory is 16.1GB. [2021-12-19 19:03:47,822 INFO L158 Benchmark]: Boogie Preprocessor took 2848.84ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 802.5MB in the end (delta: 270.5MB). Peak memory consumption was 376.4MB. Max. memory is 16.1GB. [2021-12-19 19:03:47,822 INFO L158 Benchmark]: RCFGBuilder took 27881.14ms. Allocated memory was 1.4GB in the beginning and 9.0GB in the end (delta: 7.6GB). Free memory was 802.5MB in the beginning and 7.6GB in the end (delta: -6.8GB). Peak memory consumption was 845.2MB. Max. memory is 16.1GB. [2021-12-19 19:03:47,822 INFO L158 Benchmark]: BuchiAutomizer took 5539.63ms. Allocated memory is still 9.0GB. Free memory was 7.6GB in the beginning and 7.4GB in the end (delta: 210.7MB). Peak memory consumption was 208.7MB. Max. memory is 16.1GB. [2021-12-19 19:03:47,823 INFO L158 Benchmark]: Witness Printer took 2.37ms. Allocated memory is still 9.0GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:03:47,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.07ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 74.5MB in the beginning and 71.7MB in the end (delta: 2.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2449.03ms. Allocated memory was 125.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 71.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 358.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2848.84ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 802.5MB in the end (delta: 270.5MB). Peak memory consumption was 376.4MB. Max. memory is 16.1GB. * RCFGBuilder took 27881.14ms. Allocated memory was 1.4GB in the beginning and 9.0GB in the end (delta: 7.6GB). Free memory was 802.5MB in the beginning and 7.6GB in the end (delta: -6.8GB). Peak memory consumption was 845.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5539.63ms. Allocated memory is still 9.0GB. Free memory was 7.6GB in the beginning and 7.4GB in the end (delta: 210.7MB). Peak memory consumption was 208.7MB. Max. memory is 16.1GB. * Witness Printer took 2.37ms. Allocated memory is still 9.0GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61852 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61851 mSDsluCounter, 185299 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123448 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 61851 mSDtfsCounter, 6 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 19:03:47,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE