./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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_spec8_product32.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 614dee6ac528b2b5bcd12e57f515dcc43213e2cedeb5bd1e2531b305b02c78fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:24:10,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:24:10,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:24:10,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:24:10,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:24:10,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:24:10,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:24:10,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:24:10,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:24:10,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:24:10,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:24:10,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:24:10,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:24:10,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:24:10,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:24:10,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:24:10,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:24:10,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:24:10,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:24:10,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:24:10,862 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:24:10,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:24:10,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:24:10,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:24:10,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:24:10,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:24:10,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:24:10,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:24:10,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:24:10,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:24:10,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:24:10,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:24:10,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:24:10,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:24:10,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:24:10,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:24:10,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:24:10,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:24:10,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:24:10,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:24:10,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:24:10,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:24:10,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:24:10,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:24:10,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:24:10,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:24:10,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:24:10,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:24:10,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:24:10,922 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:24:10,922 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:24:10,922 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:24:10,922 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:24:10,922 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:24:10,922 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:24:10,922 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:24:10,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:24:10,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:24:10,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:24:10,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:24:10,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:24:10,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:24:10,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:24:10,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:24:10,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:24:10,924 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:24:10,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:24:10,924 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:24:10,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:24:10,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:24:10,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:24:10,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:24:10,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:24:10,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:24:10,927 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:24:10,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 614dee6ac528b2b5bcd12e57f515dcc43213e2cedeb5bd1e2531b305b02c78fa [2022-07-23 15:24:11,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:24:11,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:24:11,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:24:11,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:24:11,167 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:24:11,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2022-07-23 15:24:11,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a187be1/ffde05cf5a6a41799430c10d34465680/FLAGf1eca25ab [2022-07-23 15:24:11,741 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:24:11,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2022-07-23 15:24:11,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a187be1/ffde05cf5a6a41799430c10d34465680/FLAGf1eca25ab [2022-07-23 15:24:12,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a187be1/ffde05cf5a6a41799430c10d34465680 [2022-07-23 15:24:12,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:24:12,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:24:12,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:24:12,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:24:12,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:24:12,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:12,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d787aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12, skipping insertion in model container [2022-07-23 15:24:12,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:12,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:24:12,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:24:12,450 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_spec8_product32.cil.c[37064,37077] [2022-07-23 15:24:12,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:24:12,661 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:24:12,720 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_spec8_product32.cil.c[37064,37077] [2022-07-23 15:24:12,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:24:12,803 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:24:12,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12 WrapperNode [2022-07-23 15:24:12,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:24:12,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:24:12,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:24:12,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:24:12,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:12,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:12,962 INFO L137 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 145, calls inlined = 346, statements flattened = 5275 [2022-07-23 15:24:12,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:24:12,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:24:12,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:24:12,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:24:12,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:12,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:24:13,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:24:13,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:24:13,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:24:13,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (1/1) ... [2022-07-23 15:24:13,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:13,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:13,133 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) [2022-07-23 15:24:13,156 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 [2022-07-23 15:24:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-23 15:24:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:24:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:24:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:24:13,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:24:13,437 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:24:13,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:24:15,087 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:24:15,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:24:15,109 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 15:24:15,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:15 BoogieIcfgContainer [2022-07-23 15:24:15,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:24:15,115 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:24:15,115 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:24:15,118 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:24:15,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:24:15,119 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:24:12" (1/3) ... [2022-07-23 15:24:15,120 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337f8b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:24:15, skipping insertion in model container [2022-07-23 15:24:15,120 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:24:15,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:12" (2/3) ... [2022-07-23 15:24:15,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337f8b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:24:15, skipping insertion in model container [2022-07-23 15:24:15,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:24:15,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:15" (3/3) ... [2022-07-23 15:24:15,123 INFO L354 chiAutomizerObserver]: Analyzing ICFG email_spec8_product32.cil.c [2022-07-23 15:24:15,210 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:24:15,211 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:24:15,211 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:24:15,211 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:24:15,211 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:24:15,211 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:24:15,211 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:24:15,212 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:24:15,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1176 states, 1175 states have (on average 1.6817021276595745) internal successors, (1976), 1175 states have internal predecessors, (1976), 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) [2022-07-23 15:24:15,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-07-23 15:24:15,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:15,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:15,289 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] [2022-07-23 15:24:15,290 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:15,290 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:24:15,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1176 states, 1175 states have (on average 1.6817021276595745) internal successors, (1976), 1175 states have internal predecessors, (1976), 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) [2022-07-23 15:24:15,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-07-23 15:24:15,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:15,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:15,307 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] [2022-07-23 15:24:15,307 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:15,312 INFO L752 eck$LassoCheckResult]: Stem: 568#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(13, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(11, 30);call #Ultimate.allocInit(19, 31);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(17, 34);call #Ultimate.allocInit(17, 35);call #Ultimate.allocInit(13, 36);call #Ultimate.allocInit(17, 37);call #Ultimate.allocInit(10, 38);call #Ultimate.allocInit(34, 39);call #Ultimate.allocInit(30, 40);call #Ultimate.allocInit(16, 41);call #Ultimate.allocInit(20, 42);call #Ultimate.allocInit(22, 43);~__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;~head~0.base, ~head~0.offset := 0, 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~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; 1073#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~25#1, main_~tmp~11#1;havoc main_~retValue_acc~25#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 775#L2273true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 341#L2266true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~27#1;havoc valid_product_~retValue_acc~27#1;valid_product_~retValue_acc~27#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~27#1; 746#L2281true main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 244#L1843true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#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_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;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; 1093#L1112true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 320#L1118-2true assume { :end_inline_setClientId } true; 1127#L1720true 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; 312#L677true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 40#L683-2true assume { :end_inline_setClientPrivateKey } true; 856#L1731true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 28, 0;havoc setup_#t~nondet55#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; 685#L1112-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 986#L1118-5true assume { :end_inline_setClientId } true; 527#L1741true 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; 226#L677-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 642#L683-5true assume { :end_inline_setClientPrivateKey } true; 1154#L1752true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 29, 0;havoc setup_#t~nondet56#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; 881#L1112-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 924#L1118-8true assume { :end_inline_setClientId } true; 1096#L1762true 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; 287#L677-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 1023#L683-8true assume { :end_inline_setClientPrivateKey } true; 204#L1773true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 30, 0;havoc setup_#t~nondet57#1; 927#L1830true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_#t~nondet79#1, test_#t~nondet80#1, test_#t~nondet81#1, test_#t~nondet82#1, test_#t~nondet83#1, test_#t~nondet84#1, test_#t~nondet85#1, test_#t~nondet86#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~14#1, test_~tmp___0~5#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~5#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 162#L2220-1true [2022-07-23 15:24:15,313 INFO L754 eck$LassoCheckResult]: Loop: 162#L2220-1true assume !false; 220#L2072true assume test_~splverifierCounter~0#1 < 4; 794#L2073true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 331#L2079true assume !(0 == test_~op1~0#1); 767#L2092true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet77#1;havoc test_#t~nondet77#1; 187#L2097true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 376#L630true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 1141#L636-2true assume { :end_inline_setClientAutoResponse } true; 1051#L1973true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 162#L2220-1true [2022-07-23 15:24:15,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2022-07-23 15:24:15,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:15,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450826600] [2022-07-23 15:24:15,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:15,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:15,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:24:15,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450826600] [2022-07-23 15:24:15,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450826600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:24:15,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:24:15,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:24:15,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140207447] [2022-07-23 15:24:15,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:24:15,554 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:24:15,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:15,555 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2022-07-23 15:24:15,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:15,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321811905] [2022-07-23 15:24:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:15,566 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:15,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:15,673 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:15,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:15,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:15,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:15,674 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:24:15,674 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:15,674 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:15,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:15,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration1_Loop [2022-07-23 15:24:15,675 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:15,675 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:15,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:15,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:15,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:15,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:15,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:15,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:15,889 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:15,890 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:24:15,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:15,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:15,895 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) [2022-07-23 15:24:15,905 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 [2022-07-23 15:24:15,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:15,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:15,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:15,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet77#1=1, ULTIMATE.start_test_~tmp___8~0#1=1} Honda state: {ULTIMATE.start_test_#t~nondet77#1=1, ULTIMATE.start_test_~tmp___8~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:15,948 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 [2022-07-23 15:24:15,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:15,950 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) [2022-07-23 15:24:15,951 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 [2022-07-23 15:24:15,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:15,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:15,968 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:15,968 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:15,983 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 [2022-07-23 15:24:15,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:15,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:15,988 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) [2022-07-23 15:24:15,992 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 [2022-07-23 15:24:15,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:15,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:16,020 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 [2022-07-23 15:24:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:16,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:16,022 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) [2022-07-23 15:24:16,023 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 [2022-07-23 15:24:16,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:24:16,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:16,037 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:24:16,053 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 [2022-07-23 15:24:16,054 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:16,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:16,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:16,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:16,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:24:16,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:16,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:16,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:16,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration1_Loop [2022-07-23 15:24:16,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:16,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:16,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:16,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:16,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:16,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:16,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:16,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:16,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:16,204 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:24:16,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:16,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:16,212 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) [2022-07-23 15:24:16,213 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 [2022-07-23 15:24:16,215 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 [2022-07-23 15:24:16,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:16,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:16,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:16,224 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:16,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:16,227 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:16,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:16,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:16,268 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 [2022-07-23 15:24:16,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:16,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:16,270 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) [2022-07-23 15:24:16,270 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 [2022-07-23 15:24:16,272 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 [2022-07-23 15:24:16,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:16,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:16,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:16,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:24:16,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:16,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:24:16,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:16,281 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:24:16,290 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:24:16,290 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:24:16,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:16,294 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) [2022-07-23 15:24:16,299 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 [2022-07-23 15:24:16,300 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:24:16,300 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:24:16,300 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:24:16,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2022-07-23 15:24:16,322 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 [2022-07-23 15:24:16,325 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:24:16,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:16,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:24:16,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:16,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:24:16,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:16,629 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 [2022-07-23 15:24:16,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1176 states, 1175 states have (on average 1.6817021276595745) internal successors, (1976), 1175 states have internal predecessors, (1976), 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) [2022-07-23 15:24:16,914 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 [2022-07-23 15:24:16,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1176 states, 1175 states have (on average 1.6817021276595745) internal successors, (1976), 1175 states have internal predecessors, (1976), 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 5437 states and 9123 transitions. Complement of second has 7 states. [2022-07-23 15:24:16,992 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 [2022-07-23 15:24:16,998 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) [2022-07-23 15:24:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5315 transitions. [2022-07-23 15:24:17,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5315 transitions. Stem has 25 letters. Loop has 9 letters. [2022-07-23 15:24:17,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:17,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5315 transitions. Stem has 34 letters. Loop has 9 letters. [2022-07-23 15:24:17,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:17,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5315 transitions. Stem has 25 letters. Loop has 18 letters. [2022-07-23 15:24:17,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:17,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5437 states and 9123 transitions. [2022-07-23 15:24:17,079 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2022-07-23 15:24:17,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5437 states to 1087 states and 1951 transitions. [2022-07-23 15:24:17,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2022-07-23 15:24:17,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 560 [2022-07-23 15:24:17,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1951 transitions. [2022-07-23 15:24:17,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:24:17,107 INFO L369 hiAutomatonCegarLoop]: Abstraction has 1087 states and 1951 transitions. [2022-07-23 15:24:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1951 transitions. [2022-07-23 15:24:17,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 566. [2022-07-23 15:24:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.784452296819788) internal successors, (1010), 565 states have internal predecessors, (1010), 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) [2022-07-23 15:24:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1010 transitions. [2022-07-23 15:24:17,176 INFO L392 hiAutomatonCegarLoop]: Abstraction has 566 states and 1010 transitions. [2022-07-23 15:24:17,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:24:17,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:24:17,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:24:17,181 INFO L87 Difference]: Start difference. First operand 566 states and 1010 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) [2022-07-23 15:24:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:24:17,230 INFO L93 Difference]: Finished difference Result 1109 states and 1982 transitions. [2022-07-23 15:24:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:24:17,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1982 transitions. [2022-07-23 15:24:17,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 522 [2022-07-23 15:24:17,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1109 states and 1982 transitions. [2022-07-23 15:24:17,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 575 [2022-07-23 15:24:17,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2022-07-23 15:24:17,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 1982 transitions. [2022-07-23 15:24:17,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:24:17,250 INFO L369 hiAutomatonCegarLoop]: Abstraction has 1109 states and 1982 transitions. [2022-07-23 15:24:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 1982 transitions. [2022-07-23 15:24:17,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 565. [2022-07-23 15:24:17,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 565 states have (on average 1.7805309734513275) internal successors, (1006), 564 states have internal predecessors, (1006), 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) [2022-07-23 15:24:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1006 transitions. [2022-07-23 15:24:17,262 INFO L392 hiAutomatonCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-07-23 15:24:17,263 INFO L374 stractBuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-07-23 15:24:17,263 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:24:17,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states and 1006 transitions. [2022-07-23 15:24:17,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-07-23 15:24:17,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:17,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:17,267 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, 1, 1] [2022-07-23 15:24:17,267 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:17,268 INFO L752 eck$LassoCheckResult]: Stem: 8977#ULTIMATE.startENTRY 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(13, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(11, 30);call #Ultimate.allocInit(19, 31);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(17, 34);call #Ultimate.allocInit(17, 35);call #Ultimate.allocInit(13, 36);call #Ultimate.allocInit(17, 37);call #Ultimate.allocInit(10, 38);call #Ultimate.allocInit(34, 39);call #Ultimate.allocInit(30, 40);call #Ultimate.allocInit(16, 41);call #Ultimate.allocInit(20, 42);call #Ultimate.allocInit(22, 43);~__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;~head~0.base, ~head~0.offset := 0, 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~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; 8909#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~25#1, main_~tmp~11#1;havoc main_~retValue_acc~25#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 8910#L2273 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8596#L2266 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~27#1;havoc valid_product_~retValue_acc~27#1;valid_product_~retValue_acc~27#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~27#1; 8597#L2281 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 8867#L1843 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#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_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;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; 8933#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 8491#L1118-2 assume { :end_inline_setClientId } true; 8492#L1720 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; 8448#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8449#L683-2 assume { :end_inline_setClientPrivateKey } true; 8564#L1731 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 28, 0;havoc setup_#t~nondet55#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; 8737#L1112-2 assume !(1 == setClientId_~handle#1); 8508#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 8509#L1118-5 assume { :end_inline_setClientId } true; 8768#L1741 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; 8937#L677-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8620#L683-5 assume { :end_inline_setClientPrivateKey } true; 8621#L1752 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 29, 0;havoc setup_#t~nondet56#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; 8439#L1112-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 8441#L1118-8 assume { :end_inline_setClientId } true; 8579#L1762 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; 8939#L677-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8798#L683-8 assume { :end_inline_setClientPrivateKey } true; 8826#L1773 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 30, 0;havoc setup_#t~nondet57#1; 8580#L1830 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_#t~nondet79#1, test_#t~nondet80#1, test_#t~nondet81#1, test_#t~nondet82#1, test_#t~nondet83#1, test_#t~nondet84#1, test_#t~nondet85#1, test_#t~nondet86#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~14#1, test_~tmp___0~5#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~5#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 8581#L2220-1 assume !false; 8839#L2072 [2022-07-23 15:24:17,268 INFO L754 eck$LassoCheckResult]: Loop: 8839#L2072 assume test_~splverifierCounter~0#1 < 4; 8931#L2073 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 8544#L2079 assume !(0 == test_~op1~0#1); 8545#L2092 assume !(0 == test_~op2~0#1); 8708#L2106 assume !(0 == test_~op3~0#1); 8672#L2120 assume !(0 == test_~op4~0#1); 8674#L2134 assume !(0 == test_~op5~0#1); 8728#L2148 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet81#1;havoc test_#t~nondet81#1; 8554#L2153 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 8555#L2220-1 assume !false; 8839#L2072 [2022-07-23 15:24:17,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:17,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2022-07-23 15:24:17,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:17,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72287476] [2022-07-23 15:24:17,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:17,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:17,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:24:17,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72287476] [2022-07-23 15:24:17,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72287476] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:24:17,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:24:17,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:24:17,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372113144] [2022-07-23 15:24:17,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:24:17,346 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:24:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash 892950433, now seen corresponding path program 1 times [2022-07-23 15:24:17,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:17,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314159593] [2022-07-23 15:24:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:17,363 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:17,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:17,438 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:17,439 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:17,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:17,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:17,439 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:24:17,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:17,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:17,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration2_Loop [2022-07-23 15:24:17,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:17,440 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:17,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,548 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:17,549 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:24:17,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:17,550 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) [2022-07-23 15:24:17,551 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 [2022-07-23 15:24:17,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:17,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:17,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:17,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:17,580 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 [2022-07-23 15:24:17,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:17,582 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) [2022-07-23 15:24:17,585 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 [2022-07-23 15:24:17,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:17,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:17,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:17,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___4~0#1=-4, ULTIMATE.start_test_#t~nondet81#1=-4} Honda state: {ULTIMATE.start_test_~tmp___4~0#1=-4, ULTIMATE.start_test_#t~nondet81#1=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:17,630 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 [2022-07-23 15:24:17,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:17,632 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) [2022-07-23 15:24:17,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:17,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:17,654 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 [2022-07-23 15:24:17,659 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:17,660 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:17,688 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 [2022-07-23 15:24:17,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:17,690 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) [2022-07-23 15:24:17,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:17,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:17,707 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 [2022-07-23 15:24:17,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:17,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:17,733 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) [2022-07-23 15:24:17,733 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 [2022-07-23 15:24:17,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:24:17,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:17,756 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:24:17,774 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 [2022-07-23 15:24:17,775 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:17,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:17,775 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:17,775 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:17,775 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:24:17,775 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,775 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:17,775 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:17,775 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration2_Loop [2022-07-23 15:24:17,775 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:17,775 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:17,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:17,915 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:17,915 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:24:17,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:17,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:17,928 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) [2022-07-23 15:24:17,982 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 [2022-07-23 15:24:17,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:17,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:17,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:17,990 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:17,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:17,991 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:17,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:17,993 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 [2022-07-23 15:24:18,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:18,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:18,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:18,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:18,029 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) [2022-07-23 15:24:18,031 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 [2022-07-23 15:24:18,032 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 [2022-07-23 15:24:18,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:18,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:18,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:18,040 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:18,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:18,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:18,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:18,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:18,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:18,093 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) [2022-07-23 15:24:18,094 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 [2022-07-23 15:24:18,096 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 [2022-07-23 15:24:18,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:18,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:18,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:18,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:24:18,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:18,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:24:18,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:18,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:24:18,134 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:24:18,134 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:24:18,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:18,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:18,139 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) [2022-07-23 15:24:18,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:24:18,145 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:24:18,145 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:24:18,145 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op6~0#1) = -2*ULTIMATE.start_test_~op6~0#1 + 1 Supporting invariants [] [2022-07-23 15:24:18,166 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 [2022-07-23 15:24:18,175 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 [2022-07-23 15:24:18,176 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:24:18,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:18,258 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 [2022-07-23 15:24:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:18,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:24:18,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:18,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:24:18,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:18,440 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 [2022-07-23 15:24:18,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-07-23 15:24:18,501 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 2153 states and 3867 transitions. Complement of second has 6 states. [2022-07-23 15:24:18,502 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 [2022-07-23 15:24:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-07-23 15:24:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1012 transitions. [2022-07-23 15:24:18,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1012 transitions. Stem has 27 letters. Loop has 10 letters. [2022-07-23 15:24:18,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:18,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1012 transitions. Stem has 37 letters. Loop has 10 letters. [2022-07-23 15:24:18,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:18,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1012 transitions. Stem has 27 letters. Loop has 20 letters. [2022-07-23 15:24:18,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:18,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2153 states and 3867 transitions. [2022-07-23 15:24:18,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2022-07-23 15:24:18,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2153 states to 2153 states and 3867 transitions. [2022-07-23 15:24:18,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 561 [2022-07-23 15:24:18,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 563 [2022-07-23 15:24:18,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2153 states and 3867 transitions. [2022-07-23 15:24:18,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:24:18,539 INFO L369 hiAutomatonCegarLoop]: Abstraction has 2153 states and 3867 transitions. [2022-07-23 15:24:18,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states and 3867 transitions. [2022-07-23 15:24:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1098. [2022-07-23 15:24:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1098 states have (on average 1.790528233151184) internal successors, (1966), 1097 states have internal predecessors, (1966), 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) [2022-07-23 15:24:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1966 transitions. [2022-07-23 15:24:18,566 INFO L392 hiAutomatonCegarLoop]: Abstraction has 1098 states and 1966 transitions. [2022-07-23 15:24:18,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:24:18,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:24:18,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:24:18,568 INFO L87 Difference]: Start difference. First operand 1098 states and 1966 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) [2022-07-23 15:24:18,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:24:18,666 INFO L93 Difference]: Finished difference Result 2133 states and 3817 transitions. [2022-07-23 15:24:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 15:24:18,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2133 states and 3817 transitions. [2022-07-23 15:24:18,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 513 [2022-07-23 15:24:18,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2133 states to 2133 states and 3817 transitions. [2022-07-23 15:24:18,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 564 [2022-07-23 15:24:18,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 564 [2022-07-23 15:24:18,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2133 states and 3817 transitions. [2022-07-23 15:24:18,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:24:18,694 INFO L369 hiAutomatonCegarLoop]: Abstraction has 2133 states and 3817 transitions. [2022-07-23 15:24:18,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states and 3817 transitions. [2022-07-23 15:24:18,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1098. [2022-07-23 15:24:18,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1098 states have (on average 1.789617486338798) internal successors, (1965), 1097 states have internal predecessors, (1965), 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) [2022-07-23 15:24:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1965 transitions. [2022-07-23 15:24:18,720 INFO L392 hiAutomatonCegarLoop]: Abstraction has 1098 states and 1965 transitions. [2022-07-23 15:24:18,720 INFO L374 stractBuchiCegarLoop]: Abstraction has 1098 states and 1965 transitions. [2022-07-23 15:24:18,720 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:24:18,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1098 states and 1965 transitions. [2022-07-23 15:24:18,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-07-23 15:24:18,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:18,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:18,735 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, 1, 1, 1, 1] [2022-07-23 15:24:18,735 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:18,738 INFO L752 eck$LassoCheckResult]: Stem: 15087#ULTIMATE.startENTRY 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(13, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(11, 30);call #Ultimate.allocInit(19, 31);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(17, 34);call #Ultimate.allocInit(17, 35);call #Ultimate.allocInit(13, 36);call #Ultimate.allocInit(17, 37);call #Ultimate.allocInit(10, 38);call #Ultimate.allocInit(34, 39);call #Ultimate.allocInit(30, 40);call #Ultimate.allocInit(16, 41);call #Ultimate.allocInit(20, 42);call #Ultimate.allocInit(22, 43);~__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;~head~0.base, ~head~0.offset := 0, 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~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; 15010#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~25#1, main_~tmp~11#1;havoc main_~retValue_acc~25#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 15011#L2273 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 14687#L2266 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~27#1;havoc valid_product_~retValue_acc~27#1;valid_product_~retValue_acc~27#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~27#1; 14688#L2281 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 14967#L1843 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#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_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;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; 15038#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 14583#L1118-2 assume { :end_inline_setClientId } true; 14584#L1720 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; 14540#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 14541#L683-2 assume { :end_inline_setClientPrivateKey } true; 14654#L1731 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 28, 0;havoc setup_#t~nondet55#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; 14832#L1112-2 assume !(1 == setClientId_~handle#1); 14600#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 14601#L1118-5 assume { :end_inline_setClientId } true; 14863#L1741 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; 15042#L677-2 assume !(1 == setClientPrivateKey_~handle#1); 15043#L680-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 14711#L683-5 assume { :end_inline_setClientPrivateKey } true; 14712#L1752 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 29, 0;havoc setup_#t~nondet56#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; 14521#L1112-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 14523#L1118-8 assume { :end_inline_setClientId } true; 14669#L1762 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; 15044#L677-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 14892#L683-8 assume { :end_inline_setClientPrivateKey } true; 14923#L1773 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 30, 0;havoc setup_#t~nondet57#1; 14670#L1830 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_#t~nondet79#1, test_#t~nondet80#1, test_#t~nondet81#1, test_#t~nondet82#1, test_#t~nondet83#1, test_#t~nondet84#1, test_#t~nondet85#1, test_#t~nondet86#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~14#1, test_~tmp___0~5#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~5#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 14671#L2220-1 assume !false; 15131#L2072 assume test_~splverifierCounter~0#1 < 4; 15045#L2073 [2022-07-23 15:24:18,738 INFO L754 eck$LassoCheckResult]: Loop: 15045#L2073 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 14632#L2079 assume !(0 == test_~op1~0#1); 14633#L2092 assume !(0 == test_~op2~0#1); 14802#L2106 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet78#1;havoc test_#t~nondet78#1; 14803#L2111 assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 14816#L677-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 14817#L683-11 assume { :end_inline_setClientPrivateKey } true; 14837#L1943 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 14714#L2220-1 assume !false; 14937#L2072 assume test_~splverifierCounter~0#1 < 4; 15045#L2073 [2022-07-23 15:24:18,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:18,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2022-07-23 15:24:18,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:18,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985210499] [2022-07-23 15:24:18,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:18,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:18,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:24:18,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985210499] [2022-07-23 15:24:18,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985210499] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:24:18,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:24:18,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:24:18,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634669487] [2022-07-23 15:24:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:24:18,811 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:24:18,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:18,812 INFO L85 PathProgramCache]: Analyzing trace with hash 845481, now seen corresponding path program 1 times [2022-07-23 15:24:18,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:18,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149341799] [2022-07-23 15:24:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:18,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:18,818 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:18,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:18,901 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:18,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:18,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:18,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:18,902 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:24:18,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:18,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:18,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:18,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration3_Loop [2022-07-23 15:24:18,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:18,903 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:18,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:18,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:18,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:18,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:18,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:18,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:18,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,037 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:19,038 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:24:19,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:19,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:19,039 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) [2022-07-23 15:24:19,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:19,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:19,053 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 [2022-07-23 15:24:19,090 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 [2022-07-23 15:24:19,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:19,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:19,092 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) [2022-07-23 15:24:19,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:24:19,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:19,115 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 [2022-07-23 15:24:19,124 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:24:19,152 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 [2022-07-23 15:24:19,152 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:19,152 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:19,152 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:19,152 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:19,152 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:24:19,152 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:19,152 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:19,153 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:19,153 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration3_Loop [2022-07-23 15:24:19,153 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:19,153 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:19,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:19,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:19,269 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:24:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:19,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:19,270 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:24:19,281 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 [2022-07-23 15:24:19,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:19,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:19,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:19,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:24:19,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:19,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:24:19,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:19,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 15:24:19,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:24:19,313 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:24:19,313 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:24:19,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:19,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:19,316 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2022-07-23 15:24:19,327 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:24:19,327 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:24:19,327 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:24:19,327 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2022-07-23 15:24:19,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 15:24:19,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:19,354 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:24:19,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:19,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:24:19,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:19,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:24:19,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:19,548 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 [2022-07-23 15:24:19,548 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1098 states and 1965 transitions. cyclomatic complexity: 871 Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2022-07-23 15:24:19,618 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1098 states and 1965 transitions. cyclomatic complexity: 871. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 4759 states and 8568 transitions. Complement of second has 6 states. [2022-07-23 15:24:19,619 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 [2022-07-23 15:24:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2022-07-23 15:24:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1004 transitions. [2022-07-23 15:24:19,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 29 letters. Loop has 10 letters. [2022-07-23 15:24:19,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:19,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 39 letters. Loop has 10 letters. [2022-07-23 15:24:19,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:19,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 29 letters. Loop has 20 letters. [2022-07-23 15:24:19,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:19,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4759 states and 8568 transitions. [2022-07-23 15:24:19,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2022-07-23 15:24:19,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4759 states to 4739 states and 8536 transitions. [2022-07-23 15:24:19,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 556 [2022-07-23 15:24:19,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 558 [2022-07-23 15:24:19,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4739 states and 8536 transitions. [2022-07-23 15:24:19,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:24:19,674 INFO L369 hiAutomatonCegarLoop]: Abstraction has 4739 states and 8536 transitions. [2022-07-23 15:24:19,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states and 8536 transitions. [2022-07-23 15:24:19,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 2409. [2022-07-23 15:24:19,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 2409 states have (on average 1.797426317974263) internal successors, (4330), 2408 states have internal predecessors, (4330), 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) [2022-07-23 15:24:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 4330 transitions. [2022-07-23 15:24:19,762 INFO L392 hiAutomatonCegarLoop]: Abstraction has 2409 states and 4330 transitions. [2022-07-23 15:24:19,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:24:19,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:24:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:24:19,764 INFO L87 Difference]: Start difference. First operand 2409 states and 4330 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-07-23 15:24:19,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:24:19,790 INFO L93 Difference]: Finished difference Result 2416 states and 4337 transitions. [2022-07-23 15:24:19,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:24:19,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2416 states and 4337 transitions. [2022-07-23 15:24:19,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2022-07-23 15:24:19,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2416 states to 2416 states and 4337 transitions. [2022-07-23 15:24:19,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 305 [2022-07-23 15:24:19,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 305 [2022-07-23 15:24:19,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2416 states and 4337 transitions. [2022-07-23 15:24:19,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:24:19,815 INFO L369 hiAutomatonCegarLoop]: Abstraction has 2416 states and 4337 transitions. [2022-07-23 15:24:19,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states and 4337 transitions. [2022-07-23 15:24:19,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2409. [2022-07-23 15:24:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 2409 states have (on average 1.7961809879618098) internal successors, (4327), 2408 states have internal predecessors, (4327), 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) [2022-07-23 15:24:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 4327 transitions. [2022-07-23 15:24:19,853 INFO L392 hiAutomatonCegarLoop]: Abstraction has 2409 states and 4327 transitions. [2022-07-23 15:24:19,853 INFO L374 stractBuchiCegarLoop]: Abstraction has 2409 states and 4327 transitions. [2022-07-23 15:24:19,854 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:24:19,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2409 states and 4327 transitions. [2022-07-23 15:24:19,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2022-07-23 15:24:19,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:19,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:19,862 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:19,862 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:19,862 INFO L752 eck$LassoCheckResult]: Stem: 25910#ULTIMATE.startENTRY 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(10, 17);call #Ultimate.allocInit(12, 18);call #Ultimate.allocInit(10, 19);call #Ultimate.allocInit(18, 20);call #Ultimate.allocInit(16, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(13, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(11, 30);call #Ultimate.allocInit(19, 31);call #Ultimate.allocInit(4, 32);call write~init~int(37, 32, 0, 1);call write~init~int(100, 32, 1, 1);call write~init~int(10, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(17, 34);call #Ultimate.allocInit(17, 35);call #Ultimate.allocInit(13, 36);call #Ultimate.allocInit(17, 37);call #Ultimate.allocInit(10, 38);call #Ultimate.allocInit(34, 39);call #Ultimate.allocInit(30, 40);call #Ultimate.allocInit(16, 41);call #Ultimate.allocInit(20, 42);call #Ultimate.allocInit(22, 43);~__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;~head~0.base, ~head~0.offset := 0, 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~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; 25829#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~25#1, main_~tmp~11#1;havoc main_~retValue_acc~25#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 25830#L2273 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 25510#L2266 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~27#1;havoc valid_product_~retValue_acc~27#1;valid_product_~retValue_acc~27#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~27#1; 25511#L2281 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 25783#L1843 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#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_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;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; 25857#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 25405#L1118-2 assume { :end_inline_setClientId } true; 25406#L1720 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; 25362#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 25363#L683-2 assume { :end_inline_setClientPrivateKey } true; 25481#L1731 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 28, 0;havoc setup_#t~nondet55#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; 25652#L1112-2 assume !(1 == setClientId_~handle#1); 25422#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 25423#L1118-5 assume { :end_inline_setClientId } true; 25681#L1741 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; 25859#L677-2 assume !(1 == setClientPrivateKey_~handle#1); 25860#L680-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 25534#L683-5 assume { :end_inline_setClientPrivateKey } true; 25535#L1752 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 29, 0;havoc setup_#t~nondet56#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; 25354#L1112-4 assume !(1 == setClientId_~handle#1); 25355#L1115-4 assume !(2 == setClientId_~handle#1); 25789#L1118-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 25492#L1118-8 assume { :end_inline_setClientId } true; 25493#L1762 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; 25861#L677-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 25713#L683-8 assume { :end_inline_setClientPrivateKey } true; 25741#L1773 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 30, 0;havoc setup_#t~nondet57#1; 25494#L1830 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_#t~nondet79#1, test_#t~nondet80#1, test_#t~nondet81#1, test_#t~nondet82#1, test_#t~nondet83#1, test_#t~nondet84#1, test_#t~nondet85#1, test_#t~nondet86#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~14#1, test_~tmp___0~5#1, test_~tmp___1~2#1, test_~tmp___2~1#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~5#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~1#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 25495#L2220-1 assume !false; 25917#L2072 assume test_~splverifierCounter~0#1 < 4; 25918#L2073 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 25458#L2079 [2022-07-23 15:24:19,862 INFO L754 eck$LassoCheckResult]: Loop: 25458#L2079 assume !(0 == test_~op1~0#1); 25459#L2092 assume !(0 == test_~op2~0#1); 25627#L2106 assume !(0 == test_~op3~0#1); 25589#L2120 assume !(0 == test_~op4~0#1); 25591#L2134 assume !(0 == test_~op5~0#1); 25642#L2148 assume !(0 == test_~op6~0#1); 25474#L2159 assume 0 == test_~op7~0#1;test_~tmp___3~0#1 := test_#t~nondet82#1;havoc test_#t~nondet82#1; 25669#L2164 assume 0 != test_~tmp___3~0#1;assume { :begin_inline_rjhKeyChange } true;assume { :begin_inline_generateKeyPair } true;generateKeyPair_#in~client#1, generateKeyPair_#in~seed#1 := ~rjh~0, 666;havoc generateKeyPair_~client#1, generateKeyPair_~seed#1;generateKeyPair_~client#1 := generateKeyPair_#in~client#1;generateKeyPair_~seed#1 := generateKeyPair_#in~seed#1;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := generateKeyPair_~client#1, generateKeyPair_~seed#1;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 25670#L677-8 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 25445#L683-14 assume { :end_inline_setClientPrivateKey } true; 25586#L2993 assume { :end_inline_generateKeyPair } true; 25908#L1963 assume { :end_inline_rjhKeyChange } true;test_~op7~0#1 := 1; 25537#L2220-1 assume !false; 25754#L2072 assume test_~splverifierCounter~0#1 < 4; 25862#L2073 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 25458#L2079 [2022-07-23 15:24:19,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:19,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1020214626, now seen corresponding path program 1 times [2022-07-23 15:24:19,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:19,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753673171] [2022-07-23 15:24:19,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:19,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:24:19,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753673171] [2022-07-23 15:24:19,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753673171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:24:19,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:24:19,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:24:19,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760322345] [2022-07-23 15:24:19,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:24:19,919 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:24:19,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1581729651, now seen corresponding path program 1 times [2022-07-23 15:24:19,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:19,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529224794] [2022-07-23 15:24:19,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:19,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:19,926 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:19,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:20,076 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:20,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:20,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:20,076 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:20,077 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:24:20,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:20,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:20,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration4_Loop [2022-07-23 15:24:20,077 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:20,077 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:20,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,255 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:20,255 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:24:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,257 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2022-07-23 15:24:20,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 15:24:20,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,286 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___3~0#1=-8, ULTIMATE.start_test_#t~nondet82#1=-8} Honda state: {ULTIMATE.start_test_~tmp___3~0#1=-8, ULTIMATE.start_test_#t~nondet82#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-23 15:24:20,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,302 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2022-07-23 15:24:20,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 15:24:20,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,315 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-23 15:24:20,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,331 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2022-07-23 15:24:20,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-23 15:24:20,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,344 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,344 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:20,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,361 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2022-07-23 15:24:20,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-23 15:24:20,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,374 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: [] [2022-07-23 15:24:20,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-23 15:24:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,391 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2022-07-23 15:24:20,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-23 15:24:20,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,407 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,408 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Honda state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-23 15:24:20,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,426 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2022-07-23 15:24:20,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-23 15:24:20,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,442 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Honda state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-23 15:24:20,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,458 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2022-07-23 15:24:20,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 15:24:20,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,472 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op5~0#1=4} Honda state: {ULTIMATE.start_test_~op5~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-23 15:24:20,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,488 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2022-07-23 15:24:20,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-23 15:24:20,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:24:20,501 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:24:20,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-23 15:24:20,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,518 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2022-07-23 15:24:20,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-23 15:24:20,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:24:20,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:20,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,542 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2022-07-23 15:24:20,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-23 15:24:20,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:24:20,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:24:20,582 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:24:20,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-23 15:24:20,585 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:24:20,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:24:20,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:24:20,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:24:20,585 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:24:20,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,585 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:24:20,585 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:24:20,585 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product32.cil.c_Iteration4_Loop [2022-07-23 15:24:20,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:24:20,585 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:24:20,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:24:20,779 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:24:20,780 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:24:20,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,781 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2022-07-23 15:24:20,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-23 15:24:20,783 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 [2022-07-23 15:24:20,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:24:20,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:24:20,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:20,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,810 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2022-07-23 15:24:20,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-23 15:24:20,814 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 [2022-07-23 15:24:20,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,820 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:20,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,821 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:20,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-23 15:24:20,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,841 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2022-07-23 15:24:20,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-23 15:24:20,843 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 [2022-07-23 15:24:20,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,850 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:20,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,850 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:20,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-23 15:24:20,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,869 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2022-07-23 15:24:20,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-23 15:24:20,871 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 [2022-07-23 15:24:20,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,878 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:20,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:20,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-23 15:24:20,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,896 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2022-07-23 15:24:20,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-23 15:24:20,898 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 [2022-07-23 15:24:20,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,904 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:20,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,905 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:20,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:20,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,923 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2022-07-23 15:24:20,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-23 15:24:20,925 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 [2022-07-23 15:24:20,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:24:20,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:24:20,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:20,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,959 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2022-07-23 15:24:20,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-23 15:24:20,962 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 [2022-07-23 15:24:20,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,968 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:20,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,969 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:20,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:20,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:20,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:20,988 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2022-07-23 15:24:20,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-23 15:24:20,990 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 [2022-07-23 15:24:20,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:20,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:20,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:20,996 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:24:20,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:20,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:24:20,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:21,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:24:21,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:21,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:21,017 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2022-07-23 15:24:21,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-23 15:24:21,021 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 [2022-07-23 15:24:21,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:24:21,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:24:21,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:24:21,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:24:21,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:24:21,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:24:21,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:24:21,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:24:21,031 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:24:21,031 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:24:21,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:21,032 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2022-07-23 15:24:21,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-23 15:24:21,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:24:21,034 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:24:21,034 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:24:21,034 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 [] [2022-07-23 15:24:21,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:21,052 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:24:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:21,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:24:21,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:21,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:24:21,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:24:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:24:21,287 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 [2022-07-23 15:24:21,287 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2409 states and 4327 transitions. cyclomatic complexity: 1927 Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-07-23 15:24:21,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2409 states and 4327 transitions. cyclomatic complexity: 1927. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 5293 states and 9541 transitions. Complement of second has 6 states. [2022-07-23 15:24:21,330 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 [2022-07-23 15:24:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-07-23 15:24:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2022-07-23 15:24:21,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 530 transitions. Stem has 32 letters. Loop has 15 letters. [2022-07-23 15:24:21,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:21,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 530 transitions. Stem has 47 letters. Loop has 15 letters. [2022-07-23 15:24:21,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:21,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 530 transitions. Stem has 32 letters. Loop has 30 letters. [2022-07-23 15:24:21,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:24:21,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5293 states and 9541 transitions. [2022-07-23 15:24:21,357 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:24:21,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5293 states to 0 states and 0 transitions. [2022-07-23 15:24:21,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:24:21,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:24:21,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:24:21,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:24:21,359 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:24:21,359 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:24:21,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:24:21,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:24:21,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:24:21,360 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2022-07-23 15:24:21,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:24:21,361 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-23 15:24:21,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 15:24:21,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-23 15:24:21,361 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:24:21,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 15:24:21,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:24:21,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:24:21,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:24:21,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:24:21,362 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:24:21,362 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:24:21,362 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:24:21,362 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 15:24:21,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 15:24:21,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:24:21,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:24:21,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:24:21 BoogieIcfgContainer [2022-07-23 15:24:21,369 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:24:21,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:24:21,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:24:21,370 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:24:21,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:15" (3/4) ... [2022-07-23 15:24:21,373 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:24:21,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:24:21,374 INFO L158 Benchmark]: Toolchain (without parser) took 9322.31ms. Allocated memory was 90.2MB in the beginning and 230.7MB in the end (delta: 140.5MB). Free memory was 52.4MB in the beginning and 69.9MB in the end (delta: -17.6MB). Peak memory consumption was 121.2MB. Max. memory is 16.1GB. [2022-07-23 15:24:21,374 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:24:21,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.86ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 56.6MB in the end (delta: -4.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-07-23 15:24:21,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.16ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 38.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-23 15:24:21,375 INFO L158 Benchmark]: Boogie Preprocessor took 126.45ms. Allocated memory is still 109.1MB. Free memory was 38.2MB in the beginning and 66.8MB in the end (delta: -28.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-23 15:24:21,376 INFO L158 Benchmark]: RCFGBuilder took 2023.34ms. Allocated memory was 109.1MB in the beginning and 178.3MB in the end (delta: 69.2MB). Free memory was 66.8MB in the beginning and 77.8MB in the end (delta: -10.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-07-23 15:24:21,376 INFO L158 Benchmark]: BuchiAutomizer took 6254.45ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 77.8MB in the beginning and 69.9MB in the end (delta: 7.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-07-23 15:24:21,376 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 230.7MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:24:21,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.86ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 56.6MB in the end (delta: -4.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.16ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 38.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.45ms. Allocated memory is still 109.1MB. Free memory was 38.2MB in the beginning and 66.8MB in the end (delta: -28.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2023.34ms. Allocated memory was 109.1MB in the beginning and 178.3MB in the end (delta: 69.2MB). Free memory was 66.8MB in the beginning and 77.8MB in the end (delta: -10.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6254.45ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 77.8MB in the beginning and 69.9MB in the end (delta: 7.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 230.7MB. Free memory is still 69.9MB. 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 8 terminating modules (4 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op6 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 5492 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8445 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8441 mSDsluCounter, 20386 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11463 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 8923 mSDtfsCounter, 141 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital53 mio100 ax100 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf122 smp100 tf107 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 15:24:21,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-23 15:24:21,617 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