./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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_spec4_product17.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 922981a69371fe79bea26dd37077d7dd588a5af1cfad53b27080b4988960097d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:34:32,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:34:32,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:34:32,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:34:32,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:34:32,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:34:32,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:34:32,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:34:32,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:34:32,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:34:32,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:34:32,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:34:32,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:34:32,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:34:32,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:34:32,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:34:32,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:34:32,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:34:32,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:34:32,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:34:32,697 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:34:32,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:34:32,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:34:32,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:34:32,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:34:32,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:34:32,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:34:32,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:34:32,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:34:32,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:34:32,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:34:32,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:34:32,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:34:32,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:34:32,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:34:32,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:34:32,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:34:32,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:34:32,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:34:32,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:34:32,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:34:32,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:34:32,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:34:32,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:34:32,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:34:32,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:34:32,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:34:32,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:34:32,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:34:32,742 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:34:32,742 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:34:32,742 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:34:32,743 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:34:32,743 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:34:32,743 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:34:32,743 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:34:32,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:34:32,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:34:32,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:34:32,745 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:34:32,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:34:32,745 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:34:32,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:34:32,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:34:32,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:34:32,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:34:32,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:34:32,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:34:32,747 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:34:32,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 922981a69371fe79bea26dd37077d7dd588a5af1cfad53b27080b4988960097d [2022-07-22 02:34:33,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:34:33,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:34:33,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:34:33,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:34:33,036 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:34:33,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2022-07-22 02:34:33,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8ac93e2/2f8680293afa414faa1bc1ff9d161e39/FLAGbebb3e08b [2022-07-22 02:34:33,538 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:34:33,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2022-07-22 02:34:33,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8ac93e2/2f8680293afa414faa1bc1ff9d161e39/FLAGbebb3e08b [2022-07-22 02:34:33,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8ac93e2/2f8680293afa414faa1bc1ff9d161e39 [2022-07-22 02:34:33,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:34:33,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:34:33,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:34:33,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:34:33,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:34:33,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:33" (1/1) ... [2022-07-22 02:34:33,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707877b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:33, skipping insertion in model container [2022-07-22 02:34:33,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:33" (1/1) ... [2022-07-22 02:34:33,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:34:33,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:34:34,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c[45969,45982] [2022-07-22 02:34:34,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:34:34,353 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:34:34,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c[45969,45982] [2022-07-22 02:34:34,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:34:34,448 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:34:34,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34 WrapperNode [2022-07-22 02:34:34,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:34:34,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:34:34,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:34:34,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:34:34,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,587 INFO L137 Inliner]: procedures = 127, calls = 208, calls flagged for inlining = 119, calls inlined = 218, statements flattened = 3408 [2022-07-22 02:34:34,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:34:34,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:34:34,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:34:34,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:34:34,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:34:34,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:34:34,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:34:34,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:34:34,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (1/1) ... [2022-07-22 02:34:34,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:34,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:34,719 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) [2022-07-22 02:34:34,721 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 [2022-07-22 02:34:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-22 02:34:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:34:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:34:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:34:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:34:34,969 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:34:34,979 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:34:36,128 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:34:36,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:34:36,143 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 02:34:36,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:36 BoogieIcfgContainer [2022-07-22 02:34:36,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:34:36,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:34:36,146 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:34:36,148 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:34:36,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:34:36,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:34:33" (1/3) ... [2022-07-22 02:34:36,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@412f68b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:34:36, skipping insertion in model container [2022-07-22 02:34:36,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:34:36,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:34" (2/3) ... [2022-07-22 02:34:36,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@412f68b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:34:36, skipping insertion in model container [2022-07-22 02:34:36,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:34:36,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:36" (3/3) ... [2022-07-22 02:34:36,151 INFO L354 chiAutomizerObserver]: Analyzing ICFG email_spec4_product17.cil.c [2022-07-22 02:34:36,195 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:34:36,196 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:34:36,196 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:34:36,196 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:34:36,196 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:34:36,196 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:34:36,196 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:34:36,196 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:34:36,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 781 states, 780 states have (on average 1.7) internal successors, (1326), 780 states have internal predecessors, (1326), 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) [2022-07-22 02:34:36,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-07-22 02:34:36,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:34:36,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:34:36,245 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-22 02:34:36,245 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-22 02:34:36,245 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:34:36,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 781 states, 780 states have (on average 1.7) internal successors, (1326), 780 states have internal predecessors, (1326), 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) [2022-07-22 02:34:36,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-07-22 02:34:36,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:34:36,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:34:36,260 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-22 02:34:36,261 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-22 02:34:36,264 INFO L752 eck$LassoCheckResult]: Stem: 376#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(44, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(11, 9);call #Ultimate.allocInit(19, 10);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(4, 12);call write~init~int(37, 12, 0, 1);call write~init~int(100, 12, 1, 1);call write~init~int(10, 12, 2, 1);call write~init~int(0, 12, 3, 1);call #Ultimate.allocInit(10, 13);call #Ultimate.allocInit(34, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(16, 16);call #Ultimate.allocInit(20, 17);call #Ultimate.allocInit(4, 18);call write~init~int(37, 18, 0, 1);call write~init~int(115, 18, 1, 1);call write~init~int(10, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(12, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(18, 22);call #Ultimate.allocInit(13, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~__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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~head~0.base, ~head~0.offset := 0, 0; 707#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~17#1, main_~tmp~4#1;havoc main_~retValue_acc~17#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 71#L1797true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 232#L1790true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 302#L1805true main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 631#L1331true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet14#1, setup_#t~nondet15#1, setup_#t~nondet16#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 40#L1153true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 485#L1159-2true assume { :end_inline_setClientId } true; 357#L1208true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 435#L718true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 110#L724-2true assume { :end_inline_setClientPrivateKey } true; 658#L1219true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 7, 0;havoc setup_#t~nondet14#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 596#L1153-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 154#L1159-5true assume { :end_inline_setClientId } true; 265#L1229true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 380#L718-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 623#L724-5true assume { :end_inline_setClientPrivateKey } true; 143#L1240true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 8, 0;havoc setup_#t~nondet15#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 367#L1153-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 781#L1159-8true assume { :end_inline_setClientId } true; 215#L1250true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 126#L718-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 541#L724-8true assume { :end_inline_setClientPrivateKey } true; 526#L1261true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset := 9, 0;havoc setup_#t~nondet16#1; 321#L1318true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~16#1, test_~tmp___0~7#1, test_~tmp___1~4#1, test_~tmp___2~3#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~16#1;havoc test_~tmp___0~7#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~3#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 206#L2521-1true [2022-07-22 02:34:36,265 INFO L754 eck$LassoCheckResult]: Loop: 206#L2521-1true assume !false; 454#L2376true assume test_~splverifierCounter~0#1 < 4; 620#L2377true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 100#L2383true assume !(0 == test_~op1~0#1); 578#L2396true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet66#1;havoc test_#t~nondet66#1; 312#L2401true assume 0 != test_~tmp___8~0#1;test_~op2~0#1 := 1; 206#L2521-1true [2022-07-22 02:34:36,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:34:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2022-07-22 02:34:36,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:34:36,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085196476] [2022-07-22 02:34:36,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:34:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:34:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:34:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:34:36,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:34:36,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085196476] [2022-07-22 02:34:36,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085196476] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:34:36,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:34:36,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 02:34:36,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537701376] [2022-07-22 02:34:36,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:34:36,489 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:34:36,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:34:36,491 INFO L85 PathProgramCache]: Analyzing trace with hash 797576867, now seen corresponding path program 1 times [2022-07-22 02:34:36,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:34:36,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005103823] [2022-07-22 02:34:36,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:34:36,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:34:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:34:36,505 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:34:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:34:36,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:34:36,569 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:34:36,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:34:36,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:34:36,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:34:36,570 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 02:34:36,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:34:36,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:34:36,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration1_Loop [2022-07-22 02:34:36,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:34:36,571 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:34:36,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,669 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:34:36,670 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 02:34:36,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:36,702 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) [2022-07-22 02:34:36,714 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 [2022-07-22 02:34:36,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:34:36,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:34:36,742 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:34:36,742 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:34:36,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-22 02:34:36,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:36,762 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) [2022-07-22 02:34:36,762 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 [2022-07-22 02:34:36,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:34:36,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:34:36,809 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 [2022-07-22 02:34:36,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:36,811 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) [2022-07-22 02:34:36,812 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 [2022-07-22 02:34:36,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:34:36,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:34:36,849 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 02:34:36,852 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 [2022-07-22 02:34:36,853 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:34:36,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:34:36,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:34:36,853 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:34:36,853 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:34:36,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:34:36,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:34:36,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration1_Loop [2022-07-22 02:34:36,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:34:36,853 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:34:36,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:34:36,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:34:36,916 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:34:36,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:36,918 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) [2022-07-22 02:34:36,918 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 [2022-07-22 02:34:36,920 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 [2022-07-22 02:34:36,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:34:36,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:34:36,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:34:36,927 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-22 02:34:36,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:34:36,928 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-22 02:34:36,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:34:36,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:34:36,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 02:34:36,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:36,963 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) [2022-07-22 02:34:36,963 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 [2022-07-22 02:34:36,965 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 [2022-07-22 02:34:36,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:34:36,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:34:36,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:34:36,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:34:36,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:34:36,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:34:36,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:34:36,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:34:36,983 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 02:34:36,983 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 02:34:36,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:34:36,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:34:36,999 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) [2022-07-22 02:34:37,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:34:37,000 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 02:34:37,000 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:34:37,001 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2022-07-22 02:34:37,014 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 [2022-07-22 02:34:37,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 02:34:37,021 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 02:34:37,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:34:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:34:37,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:34:37,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:34:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:34:37,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:34:37,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:34:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:34:37,251 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 [2022-07-22 02:34:37,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 781 states, 780 states have (on average 1.7) internal successors, (1326), 780 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-07-22 02:34:37,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 02:34:37,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 781 states, 780 states have (on average 1.7) internal successors, (1326), 780 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 2002 states and 3379 transitions. Complement of second has 7 states. [2022-07-22 02:34:37,432 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 [2022-07-22 02:34:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-07-22 02:34:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2119 transitions. [2022-07-22 02:34:37,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2119 transitions. Stem has 25 letters. Loop has 6 letters. [2022-07-22 02:34:37,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:34:37,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2119 transitions. Stem has 31 letters. Loop has 6 letters. [2022-07-22 02:34:37,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:34:37,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2119 transitions. Stem has 25 letters. Loop has 12 letters. [2022-07-22 02:34:37,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:34:37,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2002 states and 3379 transitions. [2022-07-22 02:34:37,461 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:34:37,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2002 states to 0 states and 0 transitions. [2022-07-22 02:34:37,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:34:37,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:34:37,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:34:37,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:34:37,464 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:34:37,464 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:34:37,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:34:37,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 02:34:37,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 02:34:37,468 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-07-22 02:34:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:34:37,470 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-22 02:34:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 02:34:37,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-22 02:34:37,471 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:34:37,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 02:34:37,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:34:37,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:34:37,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:34:37,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:34:37,472 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:34:37,472 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:34:37,472 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:34:37,472 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:34:37,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 02:34:37,472 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:34:37,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 02:34:37,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:34:37 BoogieIcfgContainer [2022-07-22 02:34:37,478 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:34:37,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:34:37,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:34:37,478 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:34:37,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:36" (3/4) ... [2022-07-22 02:34:37,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 02:34:37,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:34:37,482 INFO L158 Benchmark]: Toolchain (without parser) took 3638.20ms. Allocated memory was 60.8MB in the beginning and 123.7MB in the end (delta: 62.9MB). Free memory was 39.7MB in the beginning and 48.8MB in the end (delta: -9.1MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2022-07-22 02:34:37,482 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:34:37,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.39ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 38.7MB in the end (delta: 769.0kB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-07-22 02:34:37,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.42ms. Allocated memory is still 79.7MB. Free memory was 38.7MB in the beginning and 51.1MB in the end (delta: -12.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-07-22 02:34:37,487 INFO L158 Benchmark]: Boogie Preprocessor took 96.53ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 41.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:34:37,487 INFO L158 Benchmark]: RCFGBuilder took 1456.23ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 41.7MB in the beginning and 84.0MB in the end (delta: -42.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-07-22 02:34:37,488 INFO L158 Benchmark]: BuchiAutomizer took 1331.65ms. Allocated memory is still 123.7MB. Free memory was 84.0MB in the beginning and 49.2MB in the end (delta: 34.8MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-07-22 02:34:37,488 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 123.7MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:34:37,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.39ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 38.7MB in the end (delta: 769.0kB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.42ms. Allocated memory is still 79.7MB. Free memory was 38.7MB in the beginning and 51.1MB in the end (delta: -12.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.53ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 41.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1456.23ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 41.7MB in the beginning and 84.0MB in the end (delta: -42.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1331.65ms. Allocated memory is still 123.7MB. Free memory was 84.0MB in the beginning and 49.2MB in the end (delta: 34.8MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 123.7MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1314 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1313 mSDsluCounter, 3818 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2506 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1312 mSDtfsCounter, 6 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 02:34:37,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE