./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 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_spec9_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6587045e1090b612cc9192a63b88424ed0095f8e 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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 15:51:37,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:51:37,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:51:37,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:51:37,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:51:37,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:51:37,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:51:37,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:51:37,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:51:37,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:51:37,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:51:37,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:51:37,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:51:37,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:51:37,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:51:37,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:51:37,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:51:37,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:51:37,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:51:37,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:51:37,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:51:37,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:51:37,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:51:37,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:51:37,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:51:37,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:51:37,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:51:37,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:51:37,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:51:37,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:51:37,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:51:37,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:51:37,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:51:37,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:51:37,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:51:37,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:51:37,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:51:37,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:51:37,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:51:37,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:51:37,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:51:37,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:51:37,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:51:37,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:51:37,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:51:37,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:51:37,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:51:37,821 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:51:37,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:51:37,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:51:37,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:51:37,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:51:37,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:51:37,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:51:37,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:51:37,823 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:51:37,823 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6587045e1090b612cc9192a63b88424ed0095f8e [2021-08-27 15:51:38,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:51:38,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:51:38,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:51:38,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:51:38,154 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:51:38,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-08-27 15:51:38,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eedc336b/ce8cc63c42c846d1b074651ef1be2a65/FLAGe6587d533 [2021-08-27 15:51:38,593 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:51:38,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-08-27 15:51:38,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eedc336b/ce8cc63c42c846d1b074651ef1be2a65/FLAGe6587d533 [2021-08-27 15:51:38,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eedc336b/ce8cc63c42c846d1b074651ef1be2a65 [2021-08-27 15:51:38,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:51:38,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:51:38,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:51:38,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:51:38,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:51:38,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:51:38" (1/1) ... [2021-08-27 15:51:38,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441d7a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:38, skipping insertion in model container [2021-08-27 15:51:38,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:51:38" (1/1) ... [2021-08-27 15:51:38,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:51:39,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:51:39,300 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_spec9_productSimulator.cil.c[31305,31318] [2021-08-27 15:51:39,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:51:39,370 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:51:39,418 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_spec9_productSimulator.cil.c[31305,31318] [2021-08-27 15:51:39,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:51:39,482 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:51:39,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39 WrapperNode [2021-08-27 15:51:39,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:51:39,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:51:39,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:51:39,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:51:39,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:39,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:42,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:51:42,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:51:42,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:51:42,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:51:42,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:42,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:43,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:43,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:44,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:44,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:44,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:45,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:51:45,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:51:45,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:51:45,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:51:45,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (1/1) ... [2021-08-27 15:51:45,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:51:45,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:51:45,922 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 15:51:45,934 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 15:51:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 15:51:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:51:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:51:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:51:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:52:22,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:52:22,202 INFO L299 CfgBuilder]: Removed 35931 assume(true) statements. [2021-08-27 15:52:22,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:52:22 BoogieIcfgContainer [2021-08-27 15:52:22,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:52:22,229 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:52:22,229 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:52:22,231 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:52:22,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:52:22,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:51:38" (1/3) ... [2021-08-27 15:52:22,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29e6e908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:52:22, skipping insertion in model container [2021-08-27 15:52:22,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:52:22,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:51:39" (2/3) ... [2021-08-27 15:52:22,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29e6e908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:52:22, skipping insertion in model container [2021-08-27 15:52:22,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:52:22,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:52:22" (3/3) ... [2021-08-27 15:52:22,234 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2021-08-27 15:52:22,265 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:52:22,266 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:52:22,266 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:52:22,266 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:52:22,266 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:52:22,266 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:52:22,266 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:52:22,266 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:52:22,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 15:52:22,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:52:22,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:52:22,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:52:22,906 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 15:52:22,906 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:52:22,906 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:52:22,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 15:52:23,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-08-27 15:52:23,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:52:23,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:52:23,187 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 15:52:23,187 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:52:23,196 INFO L791 eck$LassoCheckResult]: Stem: 24367#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~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(34);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(19);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(10);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(12);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(10);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(18);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(16);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(13);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(16);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string169.base, #t~string169.offset, 1);call write~init~int(115, #t~string169.base, 1 + #t~string169.offset, 1);call write~init~int(10, #t~string169.base, 2 + #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 3 + #t~string169.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 21489#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~16, main_~tmp~14;havoc main_~retValue_acc~16;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 11386#L2130true havoc select_features_#t~ret130, select_features_#t~ret131, select_features_#t~ret132, select_features_#t~ret133, select_features_#t~ret134, select_features_#t~ret135, select_features_#t~ret136, select_features_#t~ret137;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 28403#L2103true select_features_#t~ret130 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret130;havoc select_features_#t~ret130;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 20867#L2103-1true select_features_#t~ret131 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret131;havoc select_features_#t~ret131;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 32453#L2103-2true select_features_#t~ret132 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret132;havoc select_features_#t~ret132;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 21386#L2103-3true select_features_#t~ret133 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret133;havoc select_features_#t~ret133;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 15712#L2103-4true select_features_#t~ret134 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret134;havoc select_features_#t~ret134;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 28216#L2103-5true select_features_#t~ret135 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret135;havoc select_features_#t~ret135;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 7594#L2103-6true select_features_#t~ret136 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret136;havoc select_features_#t~ret136;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 13767#L2103-7true select_features_#t~ret137 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret137;havoc select_features_#t~ret137; 26720#L2122true havoc valid_product_#res;havoc valid_product_~retValue_acc~21, valid_product_~tmp~20;havoc valid_product_~retValue_acc~21;havoc valid_product_~tmp~20; 12307#L2138true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 4173#L2141true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~20 := 0; 80#L2141-1true valid_product_~retValue_acc~21 := valid_product_~tmp~20;valid_product_#res := valid_product_~retValue_acc~21; 18518#L2198true main_#t~ret69 := valid_product_#res;main_~tmp~14 := main_#t~ret69;havoc main_#t~ret69; 14013#L1522true assume 0 != main_~tmp~14;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 17506#L1366true 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; 23384#L3467-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8574#L3473-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 25203#L1404true 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; 4296#L3467-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 27133#L3473-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 7911#L1442true 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; 1691#L3467-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 31388#L3473-17true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 28603#L1509true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, 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~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;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; 1400#L293-1true [2021-08-27 15:52:23,196 INFO L793 eck$LassoCheckResult]: Loop: 1400#L293-1true assume !false; 21941#L102true assume test_~splverifierCounter~0 < 4; 34758#L103true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3607#L109true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet7;havoc test_#t~nondet7; 5597#L113true assume 0 != test_~tmp___9~0; 3025#L114true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 26839#L114-1true test_~op1~0 := 1; 1400#L293-1true [2021-08-27 15:52:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-08-27 15:52:23,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:23,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340780775] [2021-08-27 15:52:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:23,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:23,508 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 15:52:23,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:52:23,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340780775] [2021-08-27 15:52:23,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340780775] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:52:23,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:52:23,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:52:23,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359080247] [2021-08-27 15:52:23,514 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:52:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:23,516 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-08-27 15:52:23,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:23,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160013324] [2021-08-27 15:52:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:23,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:23,525 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:52:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:23,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:52:23,599 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:52:23,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:52:23,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:52:23,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:52:23,601 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:52:23,601 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:23,601 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:52:23,601 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:52:23,601 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:52:23,601 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:52:23,601 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:52:23,612 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 15:52:23,617 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 15:52:23,621 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 15:52:23,623 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 15:52:23,681 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:52:23,681 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:52:23,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:23,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:23,697 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 15:52:23,700 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 15:52:23,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:52:23,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:23,777 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 15:52:23,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:23,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:23,779 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 15:52:23,808 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 15:52:23,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:52:23,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:23,834 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:52:23,849 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 15:52:23,850 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:52:23,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:52:23,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:52:23,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:52:23,850 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:52:23,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:23,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:52:23,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:52:23,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration1_Loop [2021-08-27 15:52:23,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:52:23,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:52:23,851 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 15:52:23,858 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 15:52:23,863 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 15:52:23,865 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 15:52:23,923 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:52:23,926 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:52:23,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:23,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:23,929 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 15:52:23,930 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 15:52:23,932 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 15:52:23,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:52:23,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:52:23,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:52:23,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:52:23,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:52:23,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:52:23,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:52:23,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:52:23,977 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:52:23,978 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:52:23,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:23,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:23,997 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 15:52:24,053 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 15:52:24,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:52:24,053 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:52:24,054 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:52:24,054 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 15:52:24,086 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 15:52:24,087 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:52:24,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:24,292 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 15:52:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:24,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:52:24,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:52:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:24,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:52:24,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:52:24,660 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 15:52:24,668 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 15:52:24,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 15:52:28,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 173231 states and 278304 transitions. Complement of second has 7 states. [2021-08-27 15:52:28,668 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 15:52:28,669 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 15:52:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166884 transitions. [2021-08-27 15:52:28,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 7 letters. [2021-08-27 15:52:28,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:28,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 34 letters. Loop has 7 letters. [2021-08-27 15:52:28,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:28,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 14 letters. [2021-08-27 15:52:28,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:28,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173231 states and 278304 transitions. [2021-08-27 15:52:29,832 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-08-27 15:52:29,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173231 states to 990 states and 1812 transitions. [2021-08-27 15:52:29,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-08-27 15:52:29,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-08-27 15:52:29,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-08-27 15:52:29,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:52:29,843 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-08-27 15:52:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-08-27 15:52:29,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-08-27 15:52:29,889 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 15:52:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-08-27 15:52:29,890 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-08-27 15:52:29,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:52:29,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:52:29,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:52:29,894 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 15:52:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:52:29,955 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-08-27 15:52:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:52:29,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-08-27 15:52:29,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:52:29,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-08-27 15:52:29,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-27 15:52:29,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-08-27 15:52:29,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-08-27 15:52:29,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:52:29,968 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:52:29,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-08-27 15:52:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-27 15:52:29,974 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 15:52:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-08-27 15:52:29,975 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:52:29,975 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-08-27 15:52:29,976 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:52:29,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-08-27 15:52:29,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-08-27 15:52:29,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:52:29,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:52:29,979 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 15:52:29,979 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:52:29,979 INFO L791 eck$LassoCheckResult]: Stem: 209805#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~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(34);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(19);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(10);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(12);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(10);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(18);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(16);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(13);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(16);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string169.base, #t~string169.offset, 1);call write~init~int(115, #t~string169.base, 1 + #t~string169.offset, 1);call write~init~int(10, #t~string169.base, 2 + #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 3 + #t~string169.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 209751#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~16, main_~tmp~14;havoc main_~retValue_acc~16;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209694#L2130 havoc select_features_#t~ret130, select_features_#t~ret131, select_features_#t~ret132, select_features_#t~ret133, select_features_#t~ret134, select_features_#t~ret135, select_features_#t~ret136, select_features_#t~ret137;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209514#L2103 select_features_#t~ret130 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret130;havoc select_features_#t~ret130;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209515#L2103-1 select_features_#t~ret131 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret131;havoc select_features_#t~ret131;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209560#L2103-2 select_features_#t~ret132 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret132;havoc select_features_#t~ret132;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209532#L2103-3 select_features_#t~ret133 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret133;havoc select_features_#t~ret133;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209533#L2103-4 select_features_#t~ret134 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret134;havoc select_features_#t~ret134;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209568#L2103-5 select_features_#t~ret135 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret135;havoc select_features_#t~ret135;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209534#L2103-6 select_features_#t~ret136 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret136;havoc select_features_#t~ret136;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209378#L2103-7 select_features_#t~ret137 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret137;havoc select_features_#t~ret137; 209379#L2122 havoc valid_product_#res;havoc valid_product_~retValue_acc~21, valid_product_~tmp~20;havoc valid_product_~retValue_acc~21;havoc valid_product_~tmp~20; 209664#L2138 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209356#L2142 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209357#L2147 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209499#L2152 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209252#L2157 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209404#L2162 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209511#L2167 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~20 := 1; 209569#L2141-1 valid_product_~retValue_acc~21 := valid_product_~tmp~20;valid_product_#res := valid_product_~retValue_acc~21; 209570#L2198 main_#t~ret69 := valid_product_#res;main_~tmp~14 := main_#t~ret69;havoc main_#t~ret69; 209671#L1522 assume 0 != main_~tmp~14;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 209794#L1366 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; 209561#L3467-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209473#L3473-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209359#L1404 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; 209360#L3467-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209728#L3473-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209703#L1442 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; 209696#L3467-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209371#L3473-17 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 209465#L1509 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, 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~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;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; 209466#L293-1 assume !false; 209460#L102 [2021-08-27 15:52:29,980 INFO L793 eck$LassoCheckResult]: Loop: 209460#L102 assume test_~splverifierCounter~0 < 4; 209461#L103 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209639#L109 assume !(0 == test_~op1~0); 209640#L126 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet8;havoc test_#t~nondet8; 209446#L131 assume 0 != test_~tmp___8~0; 209448#L132 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209299#L132-1 test_~op2~0 := 1; 209303#L293-1 assume !false; 209460#L102 [2021-08-27 15:52:29,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:29,980 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-08-27 15:52:29,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:29,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323276435] [2021-08-27 15:52:29,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:29,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:30,055 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 15:52:30,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:52:30,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323276435] [2021-08-27 15:52:30,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323276435] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:52:30,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:52:30,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:52:30,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624852944] [2021-08-27 15:52:30,057 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:52:30,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:30,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-08-27 15:52:30,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:30,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370438933] [2021-08-27 15:52:30,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:30,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:30,063 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:52:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:30,068 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:52:30,113 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:52:30,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:52:30,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:52:30,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:52:30,114 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:52:30,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:30,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:52:30,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:52:30,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:52:30,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:52:30,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:52:30,115 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 15:52:30,120 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 15:52:30,124 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 15:52:30,126 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 15:52:30,130 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 15:52:30,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:52:30,189 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:52:30,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:30,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:30,205 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 15:52:30,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:52:30,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:30,260 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 15:52:30,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-27 15:52:30,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:30,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:30,288 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 15:52:30,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:52:30,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:30,311 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 15:52:30,320 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:52:30,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-27 15:52:30,335 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:52:30,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:52:30,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:52:30,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:52:30,335 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:52:30,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:30,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:52:30,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:52:30,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration2_Loop [2021-08-27 15:52:30,335 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:52:30,335 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:52:30,336 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 15:52:30,341 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 15:52:30,343 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 15:52:30,345 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 15:52:30,350 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 15:52:30,415 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:52:30,415 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:52:30,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:30,418 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 15:52:30,419 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 15:52:30,420 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 15:52:30,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:52:30,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:52:30,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:52:30,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:52:30,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:52:30,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:52:30,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:52:30,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:52:30,445 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:52:30,445 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:52:30,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:30,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:30,446 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 15:52:30,447 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 15:52:30,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:52:30,448 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:52:30,448 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:52:30,448 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 15:52:30,469 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 15:52:30,469 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:52:30,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:30,818 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 15:52:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:30,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:52:30,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:52:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:30,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:52:30,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:52:31,016 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 15:52:31,020 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 15:52:31,020 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 15:52:31,094 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 15:52:31,095 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 15:52:31,095 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 15:52:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-08-27 15:52:31,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-08-27 15:52:31,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:31,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-08-27 15:52:31,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:31,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-27 15:52:31,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:31,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-08-27 15:52:31,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-08-27 15:52:31,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-08-27 15:52:31,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-08-27 15:52:31,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-08-27 15:52:31,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-08-27 15:52:31,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:52:31,113 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-08-27 15:52:31,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-08-27 15:52:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-08-27 15:52:31,135 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 15:52:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-08-27 15:52:31,136 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-08-27 15:52:31,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:52:31,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:52:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:52:31,137 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 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 15:52:31,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:52:31,442 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-08-27 15:52:31,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:52:31,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-08-27 15:52:31,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:52:31,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-27 15:52:31,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-08-27 15:52:31,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-08-27 15:52:31,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-08-27 15:52:31,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:52:31,448 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:52:31,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-08-27 15:52:31,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-08-27 15:52:31,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8209817131857555) internal successors, (1892), 1038 states have internal predecessors, (1892), 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 15:52:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-08-27 15:52:31,470 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:52:31,470 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-08-27 15:52:31,470 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:52:31,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-08-27 15:52:31,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-08-27 15:52:31,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:52:31,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:52:31,472 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, 1] [2021-08-27 15:52:31,472 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:52:31,472 INFO L791 eck$LassoCheckResult]: Stem: 214610#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~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(34);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(19);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(10);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(12);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(10);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(18);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(16);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(13);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(16);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string169.base, #t~string169.offset, 1);call write~init~int(115, #t~string169.base, 1 + #t~string169.offset, 1);call write~init~int(10, #t~string169.base, 2 + #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 3 + #t~string169.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 214546#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~16, main_~tmp~14;havoc main_~retValue_acc~16;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214483#L2130 havoc select_features_#t~ret130, select_features_#t~ret131, select_features_#t~ret132, select_features_#t~ret133, select_features_#t~ret134, select_features_#t~ret135, select_features_#t~ret136, select_features_#t~ret137;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214299#L2103 select_features_#t~ret130 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret130;havoc select_features_#t~ret130;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214300#L2103-1 select_features_#t~ret131 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret131;havoc select_features_#t~ret131;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214346#L2103-2 select_features_#t~ret132 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret132;havoc select_features_#t~ret132;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214319#L2103-3 select_features_#t~ret133 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret133;havoc select_features_#t~ret133;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214320#L2103-4 select_features_#t~ret134 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret134;havoc select_features_#t~ret134;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214352#L2103-5 select_features_#t~ret135 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret135;havoc select_features_#t~ret135;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214318#L2103-6 select_features_#t~ret136 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret136;havoc select_features_#t~ret136;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214161#L2103-7 select_features_#t~ret137 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret137;havoc select_features_#t~ret137; 214162#L2122 havoc valid_product_#res;havoc valid_product_~retValue_acc~21, valid_product_~tmp~20;havoc valid_product_~retValue_acc~21;havoc valid_product_~tmp~20; 214453#L2138 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214490#L2141 assume 0 != ~__SELECTED_FEATURE_Decrypt~0; 214140#L2142 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214141#L2147 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214330#L2151 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214284#L2152 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214038#L2157 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214190#L2162 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214296#L2167 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~20 := 1; 214355#L2141-1 valid_product_~retValue_acc~21 := valid_product_~tmp~20;valid_product_#res := valid_product_~retValue_acc~21; 214356#L2198 main_#t~ret69 := valid_product_#res;main_~tmp~14 := main_#t~ret69;havoc main_#t~ret69; 214460#L1522 assume 0 != main_~tmp~14;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 214594#L1366 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; 214347#L3467-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214253#L3473-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214143#L1404 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; 214144#L3467-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214520#L3473-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214491#L1442 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; 214485#L3467-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214152#L3473-17 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 214249#L1509 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, 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~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;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; 214250#L293-1 assume !false; 214409#L102 assume test_~splverifierCounter~0 < 4; 214609#L103 [2021-08-27 15:52:31,472 INFO L793 eck$LassoCheckResult]: Loop: 214609#L103 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214428#L109 assume !(0 == test_~op1~0); 214429#L126 assume !(0 == test_~op2~0); 214233#L144 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet9;havoc test_#t~nondet9; 214379#L149 assume 0 != test_~tmp___7~0; 214380#L150 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214397#L150-1 test_~op3~0 := 1; 214087#L293-1 assume !false; 214614#L102 assume test_~splverifierCounter~0 < 4; 214609#L103 [2021-08-27 15:52:31,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:31,472 INFO L82 PathProgramCache]: Analyzing trace with hash -307546040, now seen corresponding path program 1 times [2021-08-27 15:52:31,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:31,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456896248] [2021-08-27 15:52:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:31,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:31,566 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 15:52:31,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:52:31,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456896248] [2021-08-27 15:52:31,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456896248] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:52:31,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:52:31,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:52:31,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9123828] [2021-08-27 15:52:31,567 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:52:31,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:31,567 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-08-27 15:52:31,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:31,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978990712] [2021-08-27 15:52:31,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:31,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:31,571 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:52:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:31,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:52:31,622 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:52:31,622 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:52:31,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:52:31,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:52:31,623 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:52:31,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:31,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:52:31,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:52:31,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:52:31,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:52:31,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:52:31,624 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 15:52:31,626 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 15:52:31,630 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 15:52:31,632 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 15:52:31,637 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 15:52:31,639 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 15:52:31,706 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:52:31,706 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:52:31,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:31,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:31,707 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 15:52:31,729 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 15:52:31,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:52:31,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:31,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:52:31,747 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 15:52:31,763 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 15:52:31,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:31,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:31,764 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 15:52:31,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:52:31,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:31,792 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 15:52:31,793 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:52:31,793 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:52:31,819 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 15:52:31,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:31,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:31,820 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 15:52:31,851 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 15:52:31,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:52:31,851 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:31,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:52:31,872 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 15:52:31,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-27 15:52:31,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:31,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:31,891 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 15:52:31,891 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 15:52:31,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:52:31,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:31,952 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 15:52:31,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:31,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:31,953 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 15:52:31,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:52:31,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:52:31,988 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 15:52:32,045 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:52:32,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-08-27 15:52:32,050 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:52:32,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:52:32,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:52:32,050 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:52:32,050 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:52:32,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:32,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:52:32,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:52:32,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration3_Loop [2021-08-27 15:52:32,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:52:32,050 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:52:32,051 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 15:52:32,059 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 15:52:32,061 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 15:52:32,063 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 15:52:32,067 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 15:52:32,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:52:32,139 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:52:32,139 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:52:32,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:32,140 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 15:52:32,196 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 15:52:32,197 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 15:52:32,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:52:32,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:52:32,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:52:32,204 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:52:32,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:52:32,206 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:52:32,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:52:32,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:52:32,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-08-27 15:52:32,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:32,257 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 15:52:32,289 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 15:52:32,289 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 15:52:32,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:52:32,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:52:32,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:52:32,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:52:32,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:52:32,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:52:32,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:52:32,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:52:32,348 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 15:52:32,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:32,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:32,350 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 15:52:32,352 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 15:52:32,354 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 15:52:32,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:52:32,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:52:32,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:52:32,359 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:52:32,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:52:32,360 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:52:32,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:52:32,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:52:32,379 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 15:52:32,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:32,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:32,380 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 15:52:32,381 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 15:52:32,382 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 15:52:32,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:52:32,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:52:32,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:52:32,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:52:32,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:52:32,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:52:32,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:52:32,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:52:32,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:52:32,394 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:52:32,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:32,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:32,394 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 15:52:32,395 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 15:52:32,396 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:52:32,396 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:52:32,396 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:52:32,396 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 15:52:32,411 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 15:52:32,411 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:52:32,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:32,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:52:32,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:52:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:52:32,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:52:32,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:52:32,670 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 15:52:32,670 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 15:52:32,671 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 15:52:32,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 2228 states and 4083 transitions. Complement of second has 4 states. [2021-08-27 15:52:32,719 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 15:52:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 15:52:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-08-27 15:52:32,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-08-27 15:52:32,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:32,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-08-27 15:52:32,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:32,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-08-27 15:52:32,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:52:32,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-08-27 15:52:32,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:52:32,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-08-27 15:52:32,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:52:32,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:52:32,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:52:32,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:52:32,726 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:52:32,726 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:52:32,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:52:32,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:52:32,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:52:32,726 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 15:52:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:52:32,727 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:52:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:52:32,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:52:32,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:52:32,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:52:32,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:52:32,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:52:32,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:52:32,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:52:32,727 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:52:32,727 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:52:32,728 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:52:32,728 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:52:32,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:52:32,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:52:32,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:52:32,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:52:32 BoogieIcfgContainer [2021-08-27 15:52:32,732 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:52:32,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:52:32,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:52:32,732 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:52:32,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:52:22" (3/4) ... [2021-08-27 15:52:32,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:52:32,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:52:32,735 INFO L168 Benchmark]: Toolchain (without parser) took 53767.41 ms. Allocated memory was 52.4 MB in the beginning and 10.7 GB in the end (delta: 10.7 GB). Free memory was 26.9 MB in the beginning and 9.0 GB in the end (delta: -9.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2021-08-27 15:52:32,735 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 41.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:52:32,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.35 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 26.7 MB in the beginning and 37.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:52:32,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 3000.17 ms. Allocated memory was 69.2 MB in the beginning and 1.8 GB in the end (delta: 1.8 GB). Free memory was 37.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 513.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:52:32,736 INFO L168 Benchmark]: Boogie Preprocessor took 3404.66 ms. Allocated memory was 1.8 GB in the beginning and 5.5 GB in the end (delta: 3.7 GB). Free memory was 1.5 GB in the beginning and 4.9 GB in the end (delta: -3.4 GB). Peak memory consumption was 471.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:52:32,737 INFO L168 Benchmark]: RCFGBuilder took 36337.14 ms. Allocated memory was 5.5 GB in the beginning and 10.2 GB in the end (delta: 4.7 GB). Free memory was 4.9 GB in the beginning and 9.2 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-08-27 15:52:32,737 INFO L168 Benchmark]: BuchiAutomizer took 10502.97 ms. Allocated memory was 10.2 GB in the beginning and 10.7 GB in the end (delta: 536.9 MB). Free memory was 9.2 GB in the beginning and 9.0 GB in the end (delta: 242.2 MB). Peak memory consumption was 779.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:52:32,737 INFO L168 Benchmark]: Witness Printer took 2.19 ms. Allocated memory is still 10.7 GB. Free memory is still 9.0 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:52:32,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 41.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.35 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 26.7 MB in the beginning and 37.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 3000.17 ms. Allocated memory was 69.2 MB in the beginning and 1.8 GB in the end (delta: 1.8 GB). Free memory was 37.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 513.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 3404.66 ms. Allocated memory was 1.8 GB in the beginning and 5.5 GB in the end (delta: 3.7 GB). Free memory was 1.5 GB in the beginning and 4.9 GB in the end (delta: -3.4 GB). Peak memory consumption was 471.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 36337.14 ms. Allocated memory was 5.5 GB in the beginning and 10.2 GB in the end (delta: 4.7 GB). Free memory was 4.9 GB in the beginning and 9.2 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 10502.97 ms. Allocated memory was 10.2 GB in the beginning and 10.7 GB in the end (delta: 536.9 MB). Free memory was 9.2 GB in the beginning and 9.0 GB in the end (delta: 242.2 MB). Peak memory consumption was 779.1 MB. Max. memory is 16.1 GB. * Witness Printer took 2.19 ms. Allocated memory is still 10.7 GB. Free memory is still 9.0 GB. There was no memory consumed. 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 10.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.3s. Büchi inclusion checks took 5.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 90.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 1.0s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114400 SDtfs, 113898 SDslu, 170830 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 309.4ms 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: 88ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:52:32,776 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 15:52:32,981 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...