./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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_spec11_product07.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 30f494416a796abbf2c8eefee6e87a7fdcd01801 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:34:00,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:34:00,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:34:00,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:34:00,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:34:00,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:34:00,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:34:00,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:34:00,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:34:00,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:34:00,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:34:00,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:34:00,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:34:00,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:34:00,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:34:00,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:34:00,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:34:00,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:34:00,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:34:00,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:34:00,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:34:00,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:34:00,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:34:00,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:34:00,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:34:00,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:34:00,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:34:00,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:34:00,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:34:00,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:34:00,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:34:00,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:34:00,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:34:00,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:34:00,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:34:00,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:34:00,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:34:00,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:34:00,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:34:00,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:34:00,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:34:00,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:34:00,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:34:00,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:34:00,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:34:00,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:34:00,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:34:00,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:34:00,990 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:34:00,990 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:34:00,990 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:34:00,990 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:34:00,990 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:34:00,990 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:34:00,991 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:34:00,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:34:00,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:34:00,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:34:00,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:34:00,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:34:00,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:34:01,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:34:01,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:34:01,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:34:01,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:34:01,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:34:01,002 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:34:01,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:34:01,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:34:01,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:34:01,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:34:01,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:34:01,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:34:01,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:34:01,004 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:34:01,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f494416a796abbf2c8eefee6e87a7fdcd01801 [2021-08-31 03:34:01,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:34:01,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:34:01,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:34:01,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:34:01,279 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:34:01,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2021-08-31 03:34:01,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6890a81c0/4512947ee99f4969879b80545bdd9077/FLAG5ffe90684 [2021-08-31 03:34:01,806 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:34:01,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2021-08-31 03:34:01,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6890a81c0/4512947ee99f4969879b80545bdd9077/FLAG5ffe90684 [2021-08-31 03:34:02,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6890a81c0/4512947ee99f4969879b80545bdd9077 [2021-08-31 03:34:02,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:34:02,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:34:02,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:34:02,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:34:02,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:34:02,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601d2d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02, skipping insertion in model container [2021-08-31 03:34:02,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:34:02,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:34:02,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c[47144,47157] [2021-08-31 03:34:02,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:34:02,521 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:34:02,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c[47144,47157] [2021-08-31 03:34:02,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:34:02,644 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:34:02,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02 WrapperNode [2021-08-31 03:34:02,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:34:02,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:34:02,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:34:02,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:34:02,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:34:02,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:34:02,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:34:02,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:34:02,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:34:02,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:34:02,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:34:02,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:34:02,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (1/1) ... [2021-08-31 03:34:02,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:02,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:02,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 03:34:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-31 03:34:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:34:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:34:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:34:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:34:03,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:34:03,451 INFO L299 CfgBuilder]: Removed 281 assume(true) statements. [2021-08-31 03:34:03,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:34:03 BoogieIcfgContainer [2021-08-31 03:34:03,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:34:03,453 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:34:03,454 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:34:03,455 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:34:03,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:34:03,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:34:02" (1/3) ... [2021-08-31 03:34:03,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37ba967e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:34:03, skipping insertion in model container [2021-08-31 03:34:03,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:34:03,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:34:02" (2/3) ... [2021-08-31 03:34:03,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37ba967e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:34:03, skipping insertion in model container [2021-08-31 03:34:03,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:34:03,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:34:03" (3/3) ... [2021-08-31 03:34:03,458 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec11_product07.cil.c [2021-08-31 03:34:03,490 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:34:03,490 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:34:03,491 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:34:03,491 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:34:03,491 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:34:03,491 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:34:03,491 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:34:03,491 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:34:03,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 347 states, 346 states have (on average 1.7109826589595376) internal successors, (592), 346 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:03,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-31 03:34:03,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:34:03,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:34:03,558 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:34:03,558 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 03:34:03,558 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:34:03,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 347 states, 346 states have (on average 1.7109826589595376) internal successors, (592), 346 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:03,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-31 03:34:03,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:34:03,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:34:03,572 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:34:03,573 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 03:34:03,577 INFO L791 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(34);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(22);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(12);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 235#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~ret23, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet22;havoc main_#t~nondet22;havoc main_~tmp~3; 297#L1990true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 287#L1998true main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 213#L1664true assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 29#L1516true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 53#L1522-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 125#L1516-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 225#L1522-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 279#L1516-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 329#L1522-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 268#L1651true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 260#L2170-1true [2021-08-31 03:34:03,583 INFO L793 eck$LassoCheckResult]: Loop: 260#L2170-1true assume !false; 181#L2043true assume test_~splverifierCounter~0 < 4; 288#L2044true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 230#L2050true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet57;havoc test_#t~nondet57; 12#L2054true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 260#L2170-1true [2021-08-31 03:34:03,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:34:03,587 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2021-08-31 03:34:03,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:34:03,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772573784] [2021-08-31 03:34:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:34:03,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:34:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:34:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:34:03,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:34:03,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772573784] [2021-08-31 03:34:03,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772573784] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:34:03,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:34:03,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:34:03,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814359864] [2021-08-31 03:34:03,836 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:34:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:34:03,840 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2021-08-31 03:34:03,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:34:03,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019700922] [2021-08-31 03:34:03,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:34:03,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:34:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:34:03,850 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:34:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:34:03,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:34:03,937 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:34:03,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:34:03,938 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:34:03,938 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:34:03,938 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:34:03,938 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:03,938 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:34:03,938 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:34:03,938 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2021-08-31 03:34:03,938 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:34:03,939 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:34:03,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:03,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:03,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:04,038 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:34:04,038 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:34:04,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:04,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:04,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:04,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:34:04,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:34:04,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 03:34:04,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:04,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:04,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:04,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:04,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 03:34:04,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:34:04,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:34:04,109 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:34:04,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:04,127 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:34:04,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:34:04,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:34:04,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:34:04,128 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:34:04,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:04,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:34:04,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:34:04,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2021-08-31 03:34:04,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:34:04,128 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:34:04,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:04,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:04,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:04,192 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:34:04,196 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:34:04,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:04,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:04,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:04,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 03:34:04,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:34:04,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:34:04,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:34:04,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:34:04,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:34:04,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:34:04,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:34:04,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:34:04,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:34:04,227 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:34:04,227 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:34:04,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:04,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:04,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 03:34:04,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:34:04,235 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:34:04,236 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:34:04,236 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-08-31 03:34:04,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:04,258 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:34:04,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:34:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:34:04,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:34:04,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:34:04,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:34:04,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:34:04,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:34:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:34:04,569 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 03:34:04,571 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 347 states, 346 states have (on average 1.7109826589595376) internal successors, (592), 346 states have internal predecessors, (592), 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 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:06,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 347 states, 346 states have (on average 1.7109826589595376) internal successors, (592), 346 states have internal predecessors, (592), 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 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 1596 states and 2701 transitions. Complement of second has 7 states. [2021-08-31 03:34:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 03:34:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1585 transitions. [2021-08-31 03:34:06,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 12 letters. Loop has 5 letters. [2021-08-31 03:34:06,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:34:06,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 17 letters. Loop has 5 letters. [2021-08-31 03:34:06,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:34:06,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 12 letters. Loop has 10 letters. [2021-08-31 03:34:06,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:34:06,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1596 states and 2701 transitions. [2021-08-31 03:34:06,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-31 03:34:06,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1596 states to 307 states and 563 transitions. [2021-08-31 03:34:06,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2021-08-31 03:34:06,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2021-08-31 03:34:06,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2021-08-31 03:34:06,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:34:06,506 INFO L681 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2021-08-31 03:34:06,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2021-08-31 03:34:06,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2021-08-31 03:34:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.8170731707317074) internal successors, (298), 163 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2021-08-31 03:34:06,538 INFO L704 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2021-08-31 03:34:06,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:34:06,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:34:06,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:34:06,541 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:34:06,931 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2021-08-31 03:34:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:34:06,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2021-08-31 03:34:06,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2021-08-31 03:34:06,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2021-08-31 03:34:06,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2021-08-31 03:34:06,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2021-08-31 03:34:06,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2021-08-31 03:34:06,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 03:34:06,935 INFO L681 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2021-08-31 03:34:06,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2021-08-31 03:34:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2021-08-31 03:34:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 163 states have (on average 1.803680981595092) internal successors, (294), 162 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2021-08-31 03:34:06,940 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2021-08-31 03:34:06,940 INFO L587 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2021-08-31 03:34:06,940 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:34:06,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2021-08-31 03:34:06,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-31 03:34:06,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:34:06,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:34:06,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:34:06,941 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:34:06,942 INFO L791 eck$LassoCheckResult]: Stem: 2657#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(34);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(22);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(12);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2649#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~ret23, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet22;havoc main_#t~nondet22;havoc main_~tmp~3; 2607#L1990 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 2576#L1998 main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 2577#L1664 assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2584#L1516 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2585#L1522-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2582#L1516-2 assume !(1 == setClientId_~handle); 2583#L1519-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2632#L1522-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2554#L1516-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2553#L1522-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 2503#L1651 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 2504#L2170-1 assume !false; 2517#L2043 [2021-08-31 03:34:06,942 INFO L793 eck$LassoCheckResult]: Loop: 2517#L2043 assume test_~splverifierCounter~0 < 4; 2518#L2044 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2578#L2050 assume !(0 == test_~op1~0); 2511#L2060 assume !(0 == test_~op2~0); 2512#L2074 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet59;havoc test_#t~nondet59; 2603#L2079 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 2498#L2170-1 assume !false; 2517#L2043 [2021-08-31 03:34:06,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:34:06,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2021-08-31 03:34:06,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:34:06,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321431040] [2021-08-31 03:34:06,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:34:06,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:34:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:34:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:34:07,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:34:07,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321431040] [2021-08-31 03:34:07,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321431040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:34:07,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:34:07,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:34:07,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737073952] [2021-08-31 03:34:07,033 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:34:07,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:34:07,034 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2021-08-31 03:34:07,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:34:07,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130145197] [2021-08-31 03:34:07,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:34:07,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:34:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:34:07,041 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:34:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:34:07,054 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:34:07,096 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:34:07,096 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:34:07,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:34:07,096 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:34:07,096 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:34:07,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:34:07,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:34:07,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2021-08-31 03:34:07,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:34:07,097 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:34:07,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,165 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:34:07,166 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:34:07,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:34:07,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:34:07,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 03:34:07,210 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:34:07,210 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-1, ULTIMATE.start_test_#t~nondet59=-1} Honda state: {ULTIMATE.start_test_~tmp___7~0=-1, ULTIMATE.start_test_#t~nondet59=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:34:07,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:07,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:34:07,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:34:07,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 03:34:07,269 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:34:07,269 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:34:07,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:07,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,287 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,299 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 [2021-08-31 03:34:07,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:34:07,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:34:07,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:07,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,353 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 03:34:07,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:34:07,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:34:07,392 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:34:07,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:07,398 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:34:07,398 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:34:07,398 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:34:07,398 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:34:07,398 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:34:07,398 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:34:07,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:34:07,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2021-08-31 03:34:07,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:34:07,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:34:07,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:34:07,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:34:07,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:34:07,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:34:07,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:34:07,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:34:07,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:34:07,478 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 03:34:07,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:34:07,480 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 03:34:07,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:34:07,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 03:34:07,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:34:07,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:07,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,510 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 03:34:07,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:34:07,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:34:07,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:34:07,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:34:07,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:34:07,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:34:07,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:34:07,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 03:34:07,536 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:34:07,549 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 03:34:07,549 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 03:34:07,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:34:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:34:07,551 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:34:07,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 03:34:07,554 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:34:07,554 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:34:07,554 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:34:07,554 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-08-31 03:34:07,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:07,575 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:34:07,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:34:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:34:07,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:34:07,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:34:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:34:07,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 03:34:07,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:34:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:34:07,794 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 03:34:07,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:07,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 03:34:08,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 311 states and 568 transitions. Complement of second has 6 states. [2021-08-31 03:34:08,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 03:34:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2021-08-31 03:34:08,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 7 letters. [2021-08-31 03:34:08,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:34:08,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 21 letters. Loop has 7 letters. [2021-08-31 03:34:08,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:34:08,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 14 letters. [2021-08-31 03:34:08,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:34:08,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 568 transitions. [2021-08-31 03:34:08,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:34:08,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 0 states and 0 transitions. [2021-08-31 03:34:08,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:34:08,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:34:08,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:34:08,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:34:08,068 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:34:08,068 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:34:08,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:34:08,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:34:08,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:34:08,069 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:34:08,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:34:08,069 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-31 03:34:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 03:34:08,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-31 03:34:08,069 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:34:08,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-31 03:34:08,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:34:08,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:34:08,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:34:08,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:34:08,070 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:34:08,070 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:34:08,070 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:34:08,070 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:34:08,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 03:34:08,070 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:34:08,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 03:34:08,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:34:08,074 INFO L158 Benchmark]: Toolchain (without parser) took 5945.67ms. Allocated memory was 56.6MB in the beginning and 121.6MB in the end (delta: 65.0MB). Free memory was 33.5MB in the beginning and 75.3MB in the end (delta: -41.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-08-31 03:34:08,074 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:34:08,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.93ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.2MB in the beginning and 36.8MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 03:34:08,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.37ms. Allocated memory is still 69.2MB. Free memory was 36.8MB in the beginning and 45.8MB in the end (delta: -9.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-08-31 03:34:08,080 INFO L158 Benchmark]: Boogie Preprocessor took 56.53ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 40.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 03:34:08,081 INFO L158 Benchmark]: RCFGBuilder took 653.16ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 40.4MB in the end (delta: -170.5kB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-08-31 03:34:08,081 INFO L158 Benchmark]: BuchiAutomizer took 4619.75ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 40.4MB in the beginning and 75.3MB in the end (delta: -34.9MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-08-31 03:34:08,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.93ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.2MB in the beginning and 36.8MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.37ms. Allocated memory is still 69.2MB. Free memory was 36.8MB in the beginning and 45.8MB in the end (delta: -9.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.53ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 40.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 653.16ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 40.4MB in the end (delta: -170.5kB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4619.75ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 40.4MB in the beginning and 75.3MB in the end (delta: -34.9MB). Peak memory consumption was 1.2MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:34:08,115 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...