./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/bitvector/s3_srvr_2a_alt.BV.c.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 ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:06:15,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:06:15,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:06:15,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:06:15,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:06:15,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:06:15,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:06:15,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:06:15,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:06:15,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:06:15,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:06:15,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:06:15,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:06:15,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:06:15,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:06:15,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:06:15,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:06:15,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:06:15,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:06:15,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:06:15,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:06:15,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:06:15,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:06:15,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:06:15,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:06:15,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:06:15,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:06:15,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:06:15,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:06:15,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:06:15,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:06:15,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:06:15,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:06:15,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:06:15,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:06:15,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:06:15,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:06:15,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:06:15,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:06:15,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:06:15,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:06:15,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:06:15,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:06:15,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:06:15,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:06:15,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:06:15,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:06:15,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:06:15,888 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:06:15,888 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:06:15,888 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:06:15,888 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:06:15,889 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:06:15,889 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:06:15,889 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:06:15,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:06:15,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:06:15,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:06:15,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:06:15,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:06:15,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:06:15,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:06:15,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:06:15,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:06:15,891 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:06:15,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:06:15,892 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:06:15,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:06:15,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:06:15,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:06:15,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:06:15,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:06:15,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:06:15,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:06:15,894 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:06:15,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 [2021-12-15 17:06:16,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:06:16,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:06:16,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:06:16,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:06:16,152 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:06:16,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-12-15 17:06:16,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38861928/3432bc3702874467bcdea9fa62c20e19/FLAGc03a9b12c [2021-12-15 17:06:16,596 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:06:16,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-12-15 17:06:16,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38861928/3432bc3702874467bcdea9fa62c20e19/FLAGc03a9b12c [2021-12-15 17:06:16,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38861928/3432bc3702874467bcdea9fa62c20e19 [2021-12-15 17:06:16,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:06:16,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:06:16,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:16,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:06:16,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:06:16,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:16" (1/1) ... [2021-12-15 17:06:16,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be5e641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:16, skipping insertion in model container [2021-12-15 17:06:16,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:16" (1/1) ... [2021-12-15 17:06:16,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:06:17,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:06:17,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44811,44824] [2021-12-15 17:06:17,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:17,169 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:06:17,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44811,44824] [2021-12-15 17:06:17,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:17,210 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:06:17,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17 WrapperNode [2021-12-15 17:06:17,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:17,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:17,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:06:17,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:06:17,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,266 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 486 [2021-12-15 17:06:17,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:17,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:06:17,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:06:17,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:06:17,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:06:17,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:06:17,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:06:17,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:06:17,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (1/1) ... [2021-12-15 17:06:17,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:06:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:06:17,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:06:17,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:06:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:06:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:06:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:06:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:06:17,413 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:06:17,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:06:17,424 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:06:17,848 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-15 17:06:17,848 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-15 17:06:17,848 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:06:17,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:06:17,854 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:06:17,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:17 BoogieIcfgContainer [2021-12-15 17:06:17,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:06:17,857 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:06:17,857 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:06:17,862 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:06:17,862 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:17,862 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:06:16" (1/3) ... [2021-12-15 17:06:17,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61988a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:17, skipping insertion in model container [2021-12-15 17:06:17,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:17,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:17" (2/3) ... [2021-12-15 17:06:17,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61988a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:17, skipping insertion in model container [2021-12-15 17:06:17,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:17,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:17" (3/3) ... [2021-12-15 17:06:17,866 INFO L388 chiAutomizerObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2021-12-15 17:06:17,899 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:06:17,899 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:06:17,899 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:06:17,899 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:06:17,900 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:06:17,900 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:06:17,900 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:06:17,900 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:06:17,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 137 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 136 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:06:17,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 114 [2021-12-15 17:06:17,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:17,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:17,939 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:17,939 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:17,939 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:06:17,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 137 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 136 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:06:17,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 114 [2021-12-15 17:06:17,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:17,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:17,947 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:17,947 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:17,950 INFO L791 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(26, 2);call #Ultimate.allocInit(12, 3); 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~s~0#1, main_~tmp~1#1;havoc main_~s~0#1;havoc main_~tmp~1#1;main_~s~0#1 := 8464;assume { :begin_inline_ssl3_accept } true;ssl3_accept_#in~initial_state#1 := main_~s~0#1;havoc ssl3_accept_#res#1;havoc ssl3_accept_#t~nondet4#1, ssl3_accept_#t~nondet5#1, ssl3_accept_#t~nondet6#1, ssl3_accept_#t~nondet7#1, ssl3_accept_#t~nondet8#1, ssl3_accept_#t~nondet9#1, ssl3_accept_#t~nondet10#1, ssl3_accept_#t~nondet11#1, ssl3_accept_#t~nondet12#1, ssl3_accept_#t~nondet13#1, ssl3_accept_#t~nondet14#1, ssl3_accept_#t~nondet15#1, ssl3_accept_#t~nondet16#1, ssl3_accept_#t~nondet17#1, ssl3_accept_#t~nondet18#1, ssl3_accept_#t~nondet19#1, ssl3_accept_#t~nondet20#1, ssl3_accept_#t~nondet21#1, ssl3_accept_#t~nondet22#1, ssl3_accept_#t~nondet23#1, ssl3_accept_#t~nondet24#1, ssl3_accept_#t~nondet25#1, ssl3_accept_#t~nondet26#1, ssl3_accept_#t~nondet27#1, ssl3_accept_#t~nondet28#1, ssl3_accept_#t~nondet29#1, ssl3_accept_#t~nondet30#1, ssl3_accept_#t~nondet31#1, ssl3_accept_#t~nondet32#1, ssl3_accept_#t~nondet33#1, ssl3_accept_#t~nondet34#1, ssl3_accept_#t~nondet35#1, ssl3_accept_#t~nondet36#1, ssl3_accept_#t~nondet37#1, ssl3_accept_#t~nondet38#1, ssl3_accept_#t~nondet39#1, ssl3_accept_#t~nondet40#1, ssl3_accept_#t~nondet41#1, ssl3_accept_#t~nondet42#1, ssl3_accept_#t~nondet43#1, ssl3_accept_#t~nondet44#1, ssl3_accept_#t~nondet45#1, ssl3_accept_#t~nondet46#1, ssl3_accept_#t~nondet47#1, ssl3_accept_#t~nondet48#1, ssl3_accept_#t~nondet49#1, ssl3_accept_#t~nondet50#1, ssl3_accept_#t~nondet51#1, ssl3_accept_#t~nondet52#1, ssl3_accept_~initial_state#1, ssl3_accept_~s__info_callback~0#1, ssl3_accept_~s__in_handshake~0#1, ssl3_accept_~s__state~0#1, ssl3_accept_~s__new_session~0#1, ssl3_accept_~s__server~0#1, ssl3_accept_~s__version~0#1, ssl3_accept_~s__type~0#1, ssl3_accept_~s__init_num~0#1, ssl3_accept_~s__hit~0#1, ssl3_accept_~s__rwstate~0#1, ssl3_accept_~s__init_buf___0~0#1, ssl3_accept_~s__debug~0#1, ssl3_accept_~s__shutdown~0#1, ssl3_accept_~s__cert~0#1, ssl3_accept_~s__options~0#1, ssl3_accept_~s__verify_mode~0#1, ssl3_accept_~s__session__peer~0#1, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0#1, ssl3_accept_~s__ctx__info_callback~0#1, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1, ssl3_accept_~s__ctx__stats__sess_accept~0#1, ssl3_accept_~s__ctx__stats__sess_accept_good~0#1, ssl3_accept_~s__s3__tmp__cert_request~0#1, ssl3_accept_~s__s3__tmp__reuse_message~0#1, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0#1, ssl3_accept_~s__s3__tmp__new_cipher~0#1, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1, ssl3_accept_~s__s3__tmp__next_state___0~0#1, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0#1, ssl3_accept_~s__session__cipher~0#1, ssl3_accept_~buf~0#1, ssl3_accept_~l~0#1, ssl3_accept_~Time~0#1, ssl3_accept_~tmp~0#1, ssl3_accept_~cb~0#1, ssl3_accept_~num1~0#1, ssl3_accept_~ret~0#1, ssl3_accept_~new_state~0#1, ssl3_accept_~state~0#1, ssl3_accept_~skip~0#1, ssl3_accept_~got_new_session~0#1, ssl3_accept_~tmp___1~0#1, ssl3_accept_~tmp___2~0#1, ssl3_accept_~tmp___3~0#1, ssl3_accept_~tmp___4~0#1, ssl3_accept_~tmp___5~0#1, ssl3_accept_~tmp___6~0#1, ssl3_accept_~tmp___7~0#1, ssl3_accept_~tmp___8~0#1, ssl3_accept_~tmp___9~0#1, ssl3_accept_~tmp___10~0#1, ssl3_accept_~blastFlag~0#1, ssl3_accept_~ag_X~0#1, ssl3_accept_~ag_Y~0#1, ssl3_accept_~__retres69~0#1;ssl3_accept_~initial_state#1 := ssl3_accept_#in~initial_state#1;ssl3_accept_~s__info_callback~0#1 := ssl3_accept_#t~nondet4#1;havoc ssl3_accept_#t~nondet4#1;ssl3_accept_~s__in_handshake~0#1 := ssl3_accept_#t~nondet5#1;havoc ssl3_accept_#t~nondet5#1;havoc ssl3_accept_~s__state~0#1;havoc ssl3_accept_~s__new_session~0#1;havoc ssl3_accept_~s__server~0#1;ssl3_accept_~s__version~0#1 := ssl3_accept_#t~nondet6#1;havoc ssl3_accept_#t~nondet6#1;havoc ssl3_accept_~s__type~0#1;havoc ssl3_accept_~s__init_num~0#1;ssl3_accept_~s__hit~0#1 := ssl3_accept_#t~nondet7#1;havoc ssl3_accept_#t~nondet7#1;havoc ssl3_accept_~s__rwstate~0#1;ssl3_accept_~s__init_buf___0~0#1 := ssl3_accept_#t~nondet8#1;havoc ssl3_accept_#t~nondet8#1;ssl3_accept_~s__debug~0#1 := ssl3_accept_#t~nondet9#1;havoc ssl3_accept_#t~nondet9#1;havoc ssl3_accept_~s__shutdown~0#1;ssl3_accept_~s__cert~0#1 := ssl3_accept_#t~nondet10#1;havoc ssl3_accept_#t~nondet10#1;ssl3_accept_~s__options~0#1 := ssl3_accept_#t~nondet11#1;havoc ssl3_accept_#t~nondet11#1;ssl3_accept_~s__verify_mode~0#1 := ssl3_accept_#t~nondet12#1;havoc ssl3_accept_#t~nondet12#1;ssl3_accept_~s__session__peer~0#1 := ssl3_accept_#t~nondet13#1;havoc ssl3_accept_#t~nondet13#1;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0#1 := ssl3_accept_#t~nondet14#1;havoc ssl3_accept_#t~nondet14#1;ssl3_accept_~s__ctx__info_callback~0#1 := ssl3_accept_#t~nondet15#1;havoc ssl3_accept_#t~nondet15#1;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1 := ssl3_accept_#t~nondet16#1;havoc ssl3_accept_#t~nondet16#1;ssl3_accept_~s__ctx__stats__sess_accept~0#1 := ssl3_accept_#t~nondet17#1;havoc ssl3_accept_#t~nondet17#1;ssl3_accept_~s__ctx__stats__sess_accept_good~0#1 := ssl3_accept_#t~nondet18#1;havoc ssl3_accept_#t~nondet18#1;havoc ssl3_accept_~s__s3__tmp__cert_request~0#1;ssl3_accept_~s__s3__tmp__reuse_message~0#1 := ssl3_accept_#t~nondet19#1;havoc ssl3_accept_#t~nondet19#1;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0#1;ssl3_accept_~s__s3__tmp__new_cipher~0#1 := ssl3_accept_#t~nondet20#1;havoc ssl3_accept_#t~nondet20#1;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1 := ssl3_accept_#t~nondet21#1;havoc ssl3_accept_#t~nondet21#1;ssl3_accept_~s__s3__tmp__next_state___0~0#1 := ssl3_accept_#t~nondet22#1;havoc ssl3_accept_#t~nondet22#1;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0#1 := ssl3_accept_#t~nondet23#1;havoc ssl3_accept_#t~nondet23#1;havoc ssl3_accept_~s__session__cipher~0#1;havoc ssl3_accept_~buf~0#1;havoc ssl3_accept_~l~0#1;havoc ssl3_accept_~Time~0#1;havoc ssl3_accept_~tmp~0#1;havoc ssl3_accept_~cb~0#1;ssl3_accept_~num1~0#1 := ssl3_accept_#t~nondet24#1;havoc ssl3_accept_#t~nondet24#1;havoc ssl3_accept_~ret~0#1;havoc ssl3_accept_~new_state~0#1;havoc ssl3_accept_~state~0#1;havoc ssl3_accept_~skip~0#1;havoc ssl3_accept_~got_new_session~0#1;ssl3_accept_~tmp___1~0#1 := ssl3_accept_#t~nondet25#1;havoc ssl3_accept_#t~nondet25#1;ssl3_accept_~tmp___2~0#1 := ssl3_accept_#t~nondet26#1;havoc ssl3_accept_#t~nondet26#1;ssl3_accept_~tmp___3~0#1 := ssl3_accept_#t~nondet27#1;havoc ssl3_accept_#t~nondet27#1;ssl3_accept_~tmp___4~0#1 := ssl3_accept_#t~nondet28#1;havoc ssl3_accept_#t~nondet28#1;ssl3_accept_~tmp___5~0#1 := ssl3_accept_#t~nondet29#1;havoc ssl3_accept_#t~nondet29#1;ssl3_accept_~tmp___6~0#1 := ssl3_accept_#t~nondet30#1;havoc ssl3_accept_#t~nondet30#1;havoc ssl3_accept_~tmp___7~0#1;ssl3_accept_~tmp___8~0#1 := ssl3_accept_#t~nondet31#1;havoc ssl3_accept_#t~nondet31#1;ssl3_accept_~tmp___9~0#1 := ssl3_accept_#t~nondet32#1;havoc ssl3_accept_#t~nondet32#1;ssl3_accept_~tmp___10~0#1 := ssl3_accept_#t~nondet33#1;havoc ssl3_accept_#t~nondet33#1;havoc ssl3_accept_~blastFlag~0#1;ssl3_accept_~ag_X~0#1 := ssl3_accept_#t~nondet34#1;havoc ssl3_accept_#t~nondet34#1;ssl3_accept_~ag_Y~0#1 := ssl3_accept_#t~nondet35#1;havoc ssl3_accept_#t~nondet35#1;havoc ssl3_accept_~__retres69~0#1;ssl3_accept_~s__state~0#1 := ssl3_accept_~initial_state#1;ssl3_accept_~blastFlag~0#1 := 0;ssl3_accept_~tmp~0#1 := ssl3_accept_#t~nondet36#1;havoc ssl3_accept_#t~nondet36#1;ssl3_accept_~Time~0#1 := ssl3_accept_~tmp~0#1;ssl3_accept_~cb~0#1 := 0;ssl3_accept_~ret~0#1 := -1;ssl3_accept_~skip~0#1 := 0;ssl3_accept_~got_new_session~0#1 := 0; 40#L85true assume 0 != ssl3_accept_~s__info_callback~0#1;ssl3_accept_~cb~0#1 := ssl3_accept_~s__info_callback~0#1; 20#L88-2true ssl3_accept_~s__in_handshake~0#1 := 1 + ssl3_accept_~s__in_handshake~0#1; 93#L95true assume !(0 != (12288 + ssl3_accept_~tmp___1~0#1) % 4294967296); 101#L95-1true assume !(0 == ssl3_accept_~s__cert~0#1); 98#L111-2true [2021-12-15 17:06:17,951 INFO L793 eck$LassoCheckResult]: Loop: 98#L111-2true assume !false; 51#L112true ssl3_accept_~state~0#1 := ssl3_accept_~s__state~0#1; 53#L114true assume !(12292 == ssl3_accept_~s__state~0#1); 8#L117true assume 16384 == ssl3_accept_~s__state~0#1; 83#L224true ssl3_accept_~s__server~0#1 := 1; 137#L229true assume 0 != ssl3_accept_~cb~0#1; 121#L229-2true assume !(3 != 8 * ssl3_accept_~s__version~0#1 % 4294967296);ssl3_accept_~s__type~0#1 := 8192; 31#L241true assume !(0 == ssl3_accept_~s__init_buf___0~0#1); 57#L241-2true assume !(0 == ssl3_accept_~tmp___4~0#1);ssl3_accept_~s__init_num~0#1 := 0; 17#L266true assume !(12292 != ssl3_accept_~s__state~0#1);ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1 := 1 + ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1;ssl3_accept_~s__state~0#1 := 8480; 62#L599true assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0#1); 105#L637true ssl3_accept_~skip~0#1 := 0; 98#L111-2true [2021-12-15 17:06:17,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:17,956 INFO L85 PathProgramCache]: Analyzing trace with hash 889513938, now seen corresponding path program 1 times [2021-12-15 17:06:17,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:17,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908299179] [2021-12-15 17:06:17,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:17,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:18,052 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:18,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:18,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1912984380, now seen corresponding path program 1 times [2021-12-15 17:06:18,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:18,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481259938] [2021-12-15 17:06:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:18,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:06:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:06:18,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:06:18,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481259938] [2021-12-15 17:06:18,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481259938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:06:18,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:06:18,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:06:18,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377244522] [2021-12-15 17:06:18,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:06:18,156 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:06:18,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:06:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:06:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:06:18,186 INFO L87 Difference]: Start difference. First operand has 137 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 136 states have internal predecessors, (236), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2021-12-15 17:06:18,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:06:18,209 INFO L93 Difference]: Finished difference Result 131 states and 220 transitions. [2021-12-15 17:06:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:06:18,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 131 states and 220 transitions. [2021-12-15 17:06:18,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 104 [2021-12-15 17:06:18,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 131 states to 112 states and 172 transitions. [2021-12-15 17:06:18,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112 [2021-12-15 17:06:18,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112 [2021-12-15 17:06:18,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 172 transitions. [2021-12-15 17:06:18,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:06:18,232 INFO L681 BuchiCegarLoop]: Abstraction has 112 states and 172 transitions. [2021-12-15 17:06:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 172 transitions. [2021-12-15 17:06:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-12-15 17:06:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.5357142857142858) internal successors, (172), 111 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:06:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 172 transitions. [2021-12-15 17:06:18,260 INFO L704 BuchiCegarLoop]: Abstraction has 112 states and 172 transitions. [2021-12-15 17:06:18,260 INFO L587 BuchiCegarLoop]: Abstraction has 112 states and 172 transitions. [2021-12-15 17:06:18,260 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:06:18,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 172 transitions. [2021-12-15 17:06:18,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 104 [2021-12-15 17:06:18,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:18,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:18,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:18,265 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:18,265 INFO L791 eck$LassoCheckResult]: Stem: 387#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(26, 2);call #Ultimate.allocInit(12, 3); 332#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~s~0#1, main_~tmp~1#1;havoc main_~s~0#1;havoc main_~tmp~1#1;main_~s~0#1 := 8464;assume { :begin_inline_ssl3_accept } true;ssl3_accept_#in~initial_state#1 := main_~s~0#1;havoc ssl3_accept_#res#1;havoc ssl3_accept_#t~nondet4#1, ssl3_accept_#t~nondet5#1, ssl3_accept_#t~nondet6#1, ssl3_accept_#t~nondet7#1, ssl3_accept_#t~nondet8#1, ssl3_accept_#t~nondet9#1, ssl3_accept_#t~nondet10#1, ssl3_accept_#t~nondet11#1, ssl3_accept_#t~nondet12#1, ssl3_accept_#t~nondet13#1, ssl3_accept_#t~nondet14#1, ssl3_accept_#t~nondet15#1, ssl3_accept_#t~nondet16#1, ssl3_accept_#t~nondet17#1, ssl3_accept_#t~nondet18#1, ssl3_accept_#t~nondet19#1, ssl3_accept_#t~nondet20#1, ssl3_accept_#t~nondet21#1, ssl3_accept_#t~nondet22#1, ssl3_accept_#t~nondet23#1, ssl3_accept_#t~nondet24#1, ssl3_accept_#t~nondet25#1, ssl3_accept_#t~nondet26#1, ssl3_accept_#t~nondet27#1, ssl3_accept_#t~nondet28#1, ssl3_accept_#t~nondet29#1, ssl3_accept_#t~nondet30#1, ssl3_accept_#t~nondet31#1, ssl3_accept_#t~nondet32#1, ssl3_accept_#t~nondet33#1, ssl3_accept_#t~nondet34#1, ssl3_accept_#t~nondet35#1, ssl3_accept_#t~nondet36#1, ssl3_accept_#t~nondet37#1, ssl3_accept_#t~nondet38#1, ssl3_accept_#t~nondet39#1, ssl3_accept_#t~nondet40#1, ssl3_accept_#t~nondet41#1, ssl3_accept_#t~nondet42#1, ssl3_accept_#t~nondet43#1, ssl3_accept_#t~nondet44#1, ssl3_accept_#t~nondet45#1, ssl3_accept_#t~nondet46#1, ssl3_accept_#t~nondet47#1, ssl3_accept_#t~nondet48#1, ssl3_accept_#t~nondet49#1, ssl3_accept_#t~nondet50#1, ssl3_accept_#t~nondet51#1, ssl3_accept_#t~nondet52#1, ssl3_accept_~initial_state#1, ssl3_accept_~s__info_callback~0#1, ssl3_accept_~s__in_handshake~0#1, ssl3_accept_~s__state~0#1, ssl3_accept_~s__new_session~0#1, ssl3_accept_~s__server~0#1, ssl3_accept_~s__version~0#1, ssl3_accept_~s__type~0#1, ssl3_accept_~s__init_num~0#1, ssl3_accept_~s__hit~0#1, ssl3_accept_~s__rwstate~0#1, ssl3_accept_~s__init_buf___0~0#1, ssl3_accept_~s__debug~0#1, ssl3_accept_~s__shutdown~0#1, ssl3_accept_~s__cert~0#1, ssl3_accept_~s__options~0#1, ssl3_accept_~s__verify_mode~0#1, ssl3_accept_~s__session__peer~0#1, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0#1, ssl3_accept_~s__ctx__info_callback~0#1, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1, ssl3_accept_~s__ctx__stats__sess_accept~0#1, ssl3_accept_~s__ctx__stats__sess_accept_good~0#1, ssl3_accept_~s__s3__tmp__cert_request~0#1, ssl3_accept_~s__s3__tmp__reuse_message~0#1, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0#1, ssl3_accept_~s__s3__tmp__new_cipher~0#1, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1, ssl3_accept_~s__s3__tmp__next_state___0~0#1, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0#1, ssl3_accept_~s__session__cipher~0#1, ssl3_accept_~buf~0#1, ssl3_accept_~l~0#1, ssl3_accept_~Time~0#1, ssl3_accept_~tmp~0#1, ssl3_accept_~cb~0#1, ssl3_accept_~num1~0#1, ssl3_accept_~ret~0#1, ssl3_accept_~new_state~0#1, ssl3_accept_~state~0#1, ssl3_accept_~skip~0#1, ssl3_accept_~got_new_session~0#1, ssl3_accept_~tmp___1~0#1, ssl3_accept_~tmp___2~0#1, ssl3_accept_~tmp___3~0#1, ssl3_accept_~tmp___4~0#1, ssl3_accept_~tmp___5~0#1, ssl3_accept_~tmp___6~0#1, ssl3_accept_~tmp___7~0#1, ssl3_accept_~tmp___8~0#1, ssl3_accept_~tmp___9~0#1, ssl3_accept_~tmp___10~0#1, ssl3_accept_~blastFlag~0#1, ssl3_accept_~ag_X~0#1, ssl3_accept_~ag_Y~0#1, ssl3_accept_~__retres69~0#1;ssl3_accept_~initial_state#1 := ssl3_accept_#in~initial_state#1;ssl3_accept_~s__info_callback~0#1 := ssl3_accept_#t~nondet4#1;havoc ssl3_accept_#t~nondet4#1;ssl3_accept_~s__in_handshake~0#1 := ssl3_accept_#t~nondet5#1;havoc ssl3_accept_#t~nondet5#1;havoc ssl3_accept_~s__state~0#1;havoc ssl3_accept_~s__new_session~0#1;havoc ssl3_accept_~s__server~0#1;ssl3_accept_~s__version~0#1 := ssl3_accept_#t~nondet6#1;havoc ssl3_accept_#t~nondet6#1;havoc ssl3_accept_~s__type~0#1;havoc ssl3_accept_~s__init_num~0#1;ssl3_accept_~s__hit~0#1 := ssl3_accept_#t~nondet7#1;havoc ssl3_accept_#t~nondet7#1;havoc ssl3_accept_~s__rwstate~0#1;ssl3_accept_~s__init_buf___0~0#1 := ssl3_accept_#t~nondet8#1;havoc ssl3_accept_#t~nondet8#1;ssl3_accept_~s__debug~0#1 := ssl3_accept_#t~nondet9#1;havoc ssl3_accept_#t~nondet9#1;havoc ssl3_accept_~s__shutdown~0#1;ssl3_accept_~s__cert~0#1 := ssl3_accept_#t~nondet10#1;havoc ssl3_accept_#t~nondet10#1;ssl3_accept_~s__options~0#1 := ssl3_accept_#t~nondet11#1;havoc ssl3_accept_#t~nondet11#1;ssl3_accept_~s__verify_mode~0#1 := ssl3_accept_#t~nondet12#1;havoc ssl3_accept_#t~nondet12#1;ssl3_accept_~s__session__peer~0#1 := ssl3_accept_#t~nondet13#1;havoc ssl3_accept_#t~nondet13#1;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0#1 := ssl3_accept_#t~nondet14#1;havoc ssl3_accept_#t~nondet14#1;ssl3_accept_~s__ctx__info_callback~0#1 := ssl3_accept_#t~nondet15#1;havoc ssl3_accept_#t~nondet15#1;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1 := ssl3_accept_#t~nondet16#1;havoc ssl3_accept_#t~nondet16#1;ssl3_accept_~s__ctx__stats__sess_accept~0#1 := ssl3_accept_#t~nondet17#1;havoc ssl3_accept_#t~nondet17#1;ssl3_accept_~s__ctx__stats__sess_accept_good~0#1 := ssl3_accept_#t~nondet18#1;havoc ssl3_accept_#t~nondet18#1;havoc ssl3_accept_~s__s3__tmp__cert_request~0#1;ssl3_accept_~s__s3__tmp__reuse_message~0#1 := ssl3_accept_#t~nondet19#1;havoc ssl3_accept_#t~nondet19#1;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0#1;ssl3_accept_~s__s3__tmp__new_cipher~0#1 := ssl3_accept_#t~nondet20#1;havoc ssl3_accept_#t~nondet20#1;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1 := ssl3_accept_#t~nondet21#1;havoc ssl3_accept_#t~nondet21#1;ssl3_accept_~s__s3__tmp__next_state___0~0#1 := ssl3_accept_#t~nondet22#1;havoc ssl3_accept_#t~nondet22#1;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0#1 := ssl3_accept_#t~nondet23#1;havoc ssl3_accept_#t~nondet23#1;havoc ssl3_accept_~s__session__cipher~0#1;havoc ssl3_accept_~buf~0#1;havoc ssl3_accept_~l~0#1;havoc ssl3_accept_~Time~0#1;havoc ssl3_accept_~tmp~0#1;havoc ssl3_accept_~cb~0#1;ssl3_accept_~num1~0#1 := ssl3_accept_#t~nondet24#1;havoc ssl3_accept_#t~nondet24#1;havoc ssl3_accept_~ret~0#1;havoc ssl3_accept_~new_state~0#1;havoc ssl3_accept_~state~0#1;havoc ssl3_accept_~skip~0#1;havoc ssl3_accept_~got_new_session~0#1;ssl3_accept_~tmp___1~0#1 := ssl3_accept_#t~nondet25#1;havoc ssl3_accept_#t~nondet25#1;ssl3_accept_~tmp___2~0#1 := ssl3_accept_#t~nondet26#1;havoc ssl3_accept_#t~nondet26#1;ssl3_accept_~tmp___3~0#1 := ssl3_accept_#t~nondet27#1;havoc ssl3_accept_#t~nondet27#1;ssl3_accept_~tmp___4~0#1 := ssl3_accept_#t~nondet28#1;havoc ssl3_accept_#t~nondet28#1;ssl3_accept_~tmp___5~0#1 := ssl3_accept_#t~nondet29#1;havoc ssl3_accept_#t~nondet29#1;ssl3_accept_~tmp___6~0#1 := ssl3_accept_#t~nondet30#1;havoc ssl3_accept_#t~nondet30#1;havoc ssl3_accept_~tmp___7~0#1;ssl3_accept_~tmp___8~0#1 := ssl3_accept_#t~nondet31#1;havoc ssl3_accept_#t~nondet31#1;ssl3_accept_~tmp___9~0#1 := ssl3_accept_#t~nondet32#1;havoc ssl3_accept_#t~nondet32#1;ssl3_accept_~tmp___10~0#1 := ssl3_accept_#t~nondet33#1;havoc ssl3_accept_#t~nondet33#1;havoc ssl3_accept_~blastFlag~0#1;ssl3_accept_~ag_X~0#1 := ssl3_accept_#t~nondet34#1;havoc ssl3_accept_#t~nondet34#1;ssl3_accept_~ag_Y~0#1 := ssl3_accept_#t~nondet35#1;havoc ssl3_accept_#t~nondet35#1;havoc ssl3_accept_~__retres69~0#1;ssl3_accept_~s__state~0#1 := ssl3_accept_~initial_state#1;ssl3_accept_~blastFlag~0#1 := 0;ssl3_accept_~tmp~0#1 := ssl3_accept_#t~nondet36#1;havoc ssl3_accept_#t~nondet36#1;ssl3_accept_~Time~0#1 := ssl3_accept_~tmp~0#1;ssl3_accept_~cb~0#1 := 0;ssl3_accept_~ret~0#1 := -1;ssl3_accept_~skip~0#1 := 0;ssl3_accept_~got_new_session~0#1 := 0; 328#L85 assume 0 != ssl3_accept_~s__info_callback~0#1;ssl3_accept_~cb~0#1 := ssl3_accept_~s__info_callback~0#1; 306#L88-2 ssl3_accept_~s__in_handshake~0#1 := 1 + ssl3_accept_~s__in_handshake~0#1; 307#L95 assume !(0 != (12288 + ssl3_accept_~tmp___1~0#1) % 4294967296); 375#L95-1 assume !(0 == ssl3_accept_~s__cert~0#1); 378#L111-2 [2021-12-15 17:06:18,265 INFO L793 eck$LassoCheckResult]: Loop: 378#L111-2 assume !false; 337#L112 ssl3_accept_~state~0#1 := ssl3_accept_~s__state~0#1; 338#L114 assume !(12292 == ssl3_accept_~s__state~0#1); 284#L117 assume !(16384 == ssl3_accept_~s__state~0#1); 285#L120 assume !(8192 == ssl3_accept_~s__state~0#1); 314#L123 assume !(24576 == ssl3_accept_~s__state~0#1); 315#L126 assume !(8195 == ssl3_accept_~s__state~0#1); 360#L129 assume 8480 == ssl3_accept_~s__state~0#1; 383#L133 ssl3_accept_~s__shutdown~0#1 := 0;ssl3_accept_~ret~0#1 := ssl3_accept_#t~nondet38#1;havoc ssl3_accept_#t~nondet38#1; 384#L285 assume !(ssl3_accept_~ret~0#1 <= 0);ssl3_accept_~s__s3__tmp__next_state___0~0#1 := 8482;ssl3_accept_~s__state~0#1 := 8448;ssl3_accept_~s__init_num~0#1 := 0; 302#L599 assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0#1); 319#L637 ssl3_accept_~skip~0#1 := 0; 378#L111-2 [2021-12-15 17:06:18,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:18,266 INFO L85 PathProgramCache]: Analyzing trace with hash 889513938, now seen corresponding path program 2 times [2021-12-15 17:06:18,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:18,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379360344] [2021-12-15 17:06:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:18,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:18,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:18,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:18,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash -289497929, now seen corresponding path program 1 times [2021-12-15 17:06:18,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:18,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097314160] [2021-12-15 17:06:18,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:18,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:18,323 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:18,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:18,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1315351800, now seen corresponding path program 1 times [2021-12-15 17:06:18,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:18,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553129466] [2021-12-15 17:06:18,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:18,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:06:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:06:18,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:06:18,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553129466] [2021-12-15 17:06:18,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553129466] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:06:18,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:06:18,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:06:18,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913980979] [2021-12-15 17:06:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:06:18,497 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:834) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) 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) [2021-12-15 17:06:18,504 INFO L158 Benchmark]: Toolchain (without parser) took 1539.20ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 65.2MB in the beginning and 96.9MB in the end (delta: -31.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-12-15 17:06:18,505 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:18,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.36ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 68.8MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:06:18,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 66.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:18,506 INFO L158 Benchmark]: Boogie Preprocessor took 24.06ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 64.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:06:18,510 INFO L158 Benchmark]: RCFGBuilder took 564.16ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 64.2MB in the beginning and 97.7MB in the end (delta: -33.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-12-15 17:06:18,510 INFO L158 Benchmark]: BuchiAutomizer took 645.28ms. Allocated memory is still 130.0MB. Free memory was 97.7MB in the beginning and 96.9MB in the end (delta: 830.9kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2021-12-15 17:06:18,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.36ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 68.8MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 66.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.06ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 64.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 564.16ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 64.2MB in the beginning and 97.7MB in the end (delta: -33.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 645.28ms. Allocated memory is still 130.0MB. Free memory was 97.7MB in the beginning and 96.9MB in the end (delta: 830.9kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:06:18,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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: UnsupportedOperationException: Set is immutable