./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.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/openssl-simplified/s3_clnt_2.cil-2.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 e8a8eb6c750c607e2f549ecc5582c4aebf9571fc15330f2a7e0973b7c96cc082 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:06:37,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:06:37,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:06:37,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:06:37,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:06:37,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:06:37,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:06:37,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:06:37,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:06:37,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:06:37,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:06:37,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:06:37,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:06:37,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:06:37,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:06:37,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:06:37,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:06:37,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:06:37,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:06:37,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:06:37,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:06:37,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:06:37,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:06:37,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:06:37,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:06:37,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:06:37,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:06:37,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:06:37,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:06:37,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:06:37,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:06:37,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:06:37,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:06:37,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:06:37,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:06:37,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:06:37,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:06:37,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:06:37,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:06:37,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:06:37,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:06:37,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:06:37,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:06:37,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:06:37,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:06:37,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:06:37,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:06:37,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:06:37,115 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:06:37,115 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:06:37,116 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:06:37,116 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:06:37,116 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:06:37,116 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:06:37,117 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:06:37,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:06:37,117 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:06:37,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:06:37,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:06:37,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:06:37,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:06:37,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:06:37,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:06:37,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:06:37,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:06:37,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:06:37,119 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:06:37,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:06:37,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:06:37,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:06:37,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:06:37,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:06:37,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:06:37,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:06:37,121 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:06:37,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8a8eb6c750c607e2f549ecc5582c4aebf9571fc15330f2a7e0973b7c96cc082 [2021-12-15 17:06:37,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:06:37,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:06:37,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:06:37,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:06:37,302 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:06:37,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c [2021-12-15 17:06:37,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ab54d77/16fb6577662e4633861b539f9bbfd926/FLAGdd30bfe9d [2021-12-15 17:06:37,723 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:06:37,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c [2021-12-15 17:06:37,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ab54d77/16fb6577662e4633861b539f9bbfd926/FLAGdd30bfe9d [2021-12-15 17:06:37,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ab54d77/16fb6577662e4633861b539f9bbfd926 [2021-12-15 17:06:37,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:06:37,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:06:37,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:37,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:06:37,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:06:37,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:37" (1/1) ... [2021-12-15 17:06:37,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bad327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:37, skipping insertion in model container [2021-12-15 17:06:37,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:37" (1/1) ... [2021-12-15 17:06:37,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:06:37,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:06:37,957 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/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840] [2021-12-15 17:06:37,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:37,969 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:06:38,011 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/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840] [2021-12-15 17:06:38,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:38,022 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:06:38,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38 WrapperNode [2021-12-15 17:06:38,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:38,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:38,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:06:38,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:06:38,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,072 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 461 [2021-12-15 17:06:38,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:38,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:06:38,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:06:38,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:06:38,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:06:38,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:06:38,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:06:38,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:06:38,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (1/1) ... [2021-12-15 17:06:38,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:06:38,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:06:38,129 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 17:06:38,142 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 17:06:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:06:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:06:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:06:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:06:38,222 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:06:38,223 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:06:38,244 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:06:38,505 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-12-15 17:06:38,506 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-12-15 17:06:38,506 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:06:38,511 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:06:38,512 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:06:38,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:38 BoogieIcfgContainer [2021-12-15 17:06:38,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:06:38,514 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:06:38,515 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:06:38,517 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:06:38,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:38,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:06:37" (1/3) ... [2021-12-15 17:06:38,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56b0c479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:38, skipping insertion in model container [2021-12-15 17:06:38,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:38,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:38" (2/3) ... [2021-12-15 17:06:38,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56b0c479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:38, skipping insertion in model container [2021-12-15 17:06:38,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:38,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:38" (3/3) ... [2021-12-15 17:06:38,520 INFO L388 chiAutomizerObserver]: Analyzing ICFG s3_clnt_2.cil-2.c [2021-12-15 17:06:38,557 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:06:38,557 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:06:38,558 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:06:38,558 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:06:38,558 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:06:38,558 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:06:38,559 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:06:38,559 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:06:38,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.7063492063492063) internal successors, (215), 126 states have internal predecessors, (215), 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 17:06:38,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 103 [2021-12-15 17:06:38,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:38,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:38,612 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:06:38,612 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:38,612 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:06:38,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.7063492063492063) internal successors, (215), 126 states have internal predecessors, (215), 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 17:06:38,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 103 [2021-12-15 17:06:38,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:38,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:38,628 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:06:38,629 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:38,633 INFO L791 eck$LassoCheckResult]: Stem: 117#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(18, 2);call #Ultimate.allocInit(12, 3); 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~s~0#1;havoc main_~s~0#1;main_~s~0#1 := 12292;assume { :begin_inline_ssl3_connect } true;ssl3_connect_#in~initial_state#1 := main_~s~0#1;havoc ssl3_connect_#res#1;havoc ssl3_connect_#t~nondet4#1, ssl3_connect_#t~nondet5#1, ssl3_connect_#t~nondet6#1, ssl3_connect_#t~nondet7#1, ssl3_connect_#t~nondet8#1, ssl3_connect_#t~nondet9#1, ssl3_connect_#t~nondet10#1, ssl3_connect_#t~nondet11#1, ssl3_connect_#t~nondet12#1, ssl3_connect_#t~nondet13#1, ssl3_connect_#t~nondet14#1, ssl3_connect_#t~nondet15#1, ssl3_connect_#t~nondet16#1, ssl3_connect_#t~nondet17#1, ssl3_connect_#t~nondet18#1, ssl3_connect_#t~nondet19#1, ssl3_connect_#t~nondet20#1, ssl3_connect_#t~nondet21#1, ssl3_connect_#t~nondet22#1, ssl3_connect_#t~nondet23#1, ssl3_connect_#t~nondet24#1, ssl3_connect_#t~nondet25#1, ssl3_connect_#t~nondet26#1, ssl3_connect_#t~nondet27#1, ssl3_connect_#t~nondet28#1, ssl3_connect_#t~nondet29#1, ssl3_connect_#t~nondet30#1, ssl3_connect_#t~nondet31#1, ssl3_connect_#t~post32#1, ssl3_connect_#t~post33#1, ssl3_connect_#t~nondet34#1, ssl3_connect_#t~post35#1, ssl3_connect_#t~nondet36#1, ssl3_connect_#t~nondet37#1, ssl3_connect_#t~nondet38#1, ssl3_connect_#t~nondet39#1, ssl3_connect_#t~nondet40#1, ssl3_connect_#t~nondet41#1, ssl3_connect_#t~nondet42#1, ssl3_connect_#t~nondet43#1, ssl3_connect_#t~nondet44#1, ssl3_connect_#t~nondet45#1, ssl3_connect_#t~nondet46#1, ssl3_connect_#t~nondet47#1, ssl3_connect_#t~post48#1, ssl3_connect_#t~post49#1, ssl3_connect_#t~nondet50#1, ssl3_connect_#t~post51#1, ssl3_connect_~initial_state#1, ssl3_connect_~s__info_callback~0#1, ssl3_connect_~s__in_handshake~0#1, ssl3_connect_~s__state~0#1, ssl3_connect_~s__new_session~0#1, ssl3_connect_~s__server~0#1, ssl3_connect_~s__version~0#1, ssl3_connect_~s__type~0#1, ssl3_connect_~s__init_num~0#1, ssl3_connect_~s__bbio~0#1, ssl3_connect_~s__wbio~0#1, ssl3_connect_~s__hit~0#1, ssl3_connect_~s__rwstate~0#1, ssl3_connect_~s__init_buf___0~0#1, ssl3_connect_~s__debug~0#1, ssl3_connect_~s__shutdown~0#1, ssl3_connect_~s__ctx__info_callback~0#1, ssl3_connect_~s__ctx__stats__sess_connect_renegotiate~0#1, ssl3_connect_~s__ctx__stats__sess_connect~0#1, ssl3_connect_~s__ctx__stats__sess_hit~0#1, ssl3_connect_~s__ctx__stats__sess_connect_good~0#1, ssl3_connect_~s__s3__change_cipher_spec~0#1, ssl3_connect_~s__s3__flags~0#1, ssl3_connect_~s__s3__delay_buf_pop_ret~0#1, ssl3_connect_~s__s3__tmp__cert_req~0#1, ssl3_connect_~s__s3__tmp__new_compression~0#1, ssl3_connect_~s__s3__tmp__reuse_message~0#1, ssl3_connect_~s__s3__tmp__new_cipher~0#1, ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1, ssl3_connect_~s__s3__tmp__next_state___0~0#1, ssl3_connect_~s__s3__tmp__new_compression__id~0#1, ssl3_connect_~s__session__cipher~0#1, ssl3_connect_~s__session__compress_meth~0#1, ssl3_connect_~buf~0#1, ssl3_connect_~tmp~0#1, ssl3_connect_~l~0#1, ssl3_connect_~num1~0#1, ssl3_connect_~cb~0#1, ssl3_connect_~ret~0#1, ssl3_connect_~new_state~0#1, ssl3_connect_~state~0#1, ssl3_connect_~skip~0#1, ssl3_connect_~tmp___0~0#1, ssl3_connect_~tmp___1~0#1, ssl3_connect_~tmp___2~0#1, ssl3_connect_~tmp___3~0#1, ssl3_connect_~tmp___4~0#1, ssl3_connect_~tmp___5~0#1, ssl3_connect_~tmp___6~0#1, ssl3_connect_~tmp___7~0#1, ssl3_connect_~tmp___8~0#1, ssl3_connect_~tmp___9~0#1, ssl3_connect_~blastFlag~0#1, ssl3_connect_~__cil_tmp55~0#1, ssl3_connect_~__cil_tmp56~0#1, ssl3_connect_~__cil_tmp57~0#1, ssl3_connect_~__cil_tmp58~0#1, ssl3_connect_~__cil_tmp59~0#1, ssl3_connect_~__cil_tmp60~0#1, ssl3_connect_~__cil_tmp61~0#1, ssl3_connect_~__cil_tmp62~0#1, ssl3_connect_~__cil_tmp63~0#1, ssl3_connect_~__cil_tmp64~0#1, ssl3_connect_~__cil_tmp65~0#1;ssl3_connect_~initial_state#1 := ssl3_connect_#in~initial_state#1;ssl3_connect_~s__info_callback~0#1 := ssl3_connect_#t~nondet4#1;havoc ssl3_connect_#t~nondet4#1;ssl3_connect_~s__in_handshake~0#1 := ssl3_connect_#t~nondet5#1;havoc ssl3_connect_#t~nondet5#1;havoc ssl3_connect_~s__state~0#1;havoc ssl3_connect_~s__new_session~0#1;havoc ssl3_connect_~s__server~0#1;ssl3_connect_~s__version~0#1 := ssl3_connect_#t~nondet6#1;havoc ssl3_connect_#t~nondet6#1;havoc ssl3_connect_~s__type~0#1;havoc ssl3_connect_~s__init_num~0#1;ssl3_connect_~s__bbio~0#1 := ssl3_connect_#t~nondet7#1;havoc ssl3_connect_#t~nondet7#1;ssl3_connect_~s__wbio~0#1 := ssl3_connect_#t~nondet8#1;havoc ssl3_connect_#t~nondet8#1;ssl3_connect_~s__hit~0#1 := ssl3_connect_#t~nondet9#1;havoc ssl3_connect_#t~nondet9#1;havoc ssl3_connect_~s__rwstate~0#1;ssl3_connect_~s__init_buf___0~0#1 := 1;ssl3_connect_~s__debug~0#1 := ssl3_connect_#t~nondet10#1;havoc ssl3_connect_#t~nondet10#1;havoc ssl3_connect_~s__shutdown~0#1;ssl3_connect_~s__ctx__info_callback~0#1 := ssl3_connect_#t~nondet11#1;havoc ssl3_connect_#t~nondet11#1;ssl3_connect_~s__ctx__stats__sess_connect_renegotiate~0#1 := ssl3_connect_#t~nondet12#1;havoc ssl3_connect_#t~nondet12#1;ssl3_connect_~s__ctx__stats__sess_connect~0#1 := ssl3_connect_#t~nondet13#1;havoc ssl3_connect_#t~nondet13#1;ssl3_connect_~s__ctx__stats__sess_hit~0#1 := ssl3_connect_#t~nondet14#1;havoc ssl3_connect_#t~nondet14#1;ssl3_connect_~s__ctx__stats__sess_connect_good~0#1 := ssl3_connect_#t~nondet15#1;havoc ssl3_connect_#t~nondet15#1;havoc ssl3_connect_~s__s3__change_cipher_spec~0#1;havoc ssl3_connect_~s__s3__flags~0#1;havoc ssl3_connect_~s__s3__delay_buf_pop_ret~0#1;ssl3_connect_~s__s3__tmp__cert_req~0#1 := ssl3_connect_#t~nondet16#1;havoc ssl3_connect_#t~nondet16#1;ssl3_connect_~s__s3__tmp__new_compression~0#1 := ssl3_connect_#t~nondet17#1;havoc ssl3_connect_#t~nondet17#1;ssl3_connect_~s__s3__tmp__reuse_message~0#1 := ssl3_connect_#t~nondet18#1;havoc ssl3_connect_#t~nondet18#1;ssl3_connect_~s__s3__tmp__new_cipher~0#1 := ssl3_connect_#t~nondet19#1;havoc ssl3_connect_#t~nondet19#1;ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1 := ssl3_connect_#t~nondet20#1;havoc ssl3_connect_#t~nondet20#1;havoc ssl3_connect_~s__s3__tmp__next_state___0~0#1;ssl3_connect_~s__s3__tmp__new_compression__id~0#1 := ssl3_connect_#t~nondet21#1;havoc ssl3_connect_#t~nondet21#1;havoc ssl3_connect_~s__session__cipher~0#1;havoc ssl3_connect_~s__session__compress_meth~0#1;havoc ssl3_connect_~buf~0#1;havoc ssl3_connect_~tmp~0#1;havoc ssl3_connect_~l~0#1;havoc ssl3_connect_~num1~0#1;havoc ssl3_connect_~cb~0#1;havoc ssl3_connect_~ret~0#1;havoc ssl3_connect_~new_state~0#1;havoc ssl3_connect_~state~0#1;havoc ssl3_connect_~skip~0#1;havoc ssl3_connect_~tmp___0~0#1;ssl3_connect_~tmp___1~0#1 := ssl3_connect_#t~nondet22#1;havoc ssl3_connect_#t~nondet22#1;ssl3_connect_~tmp___2~0#1 := ssl3_connect_#t~nondet23#1;havoc ssl3_connect_#t~nondet23#1;ssl3_connect_~tmp___3~0#1 := ssl3_connect_#t~nondet24#1;havoc ssl3_connect_#t~nondet24#1;ssl3_connect_~tmp___4~0#1 := ssl3_connect_#t~nondet25#1;havoc ssl3_connect_#t~nondet25#1;ssl3_connect_~tmp___5~0#1 := ssl3_connect_#t~nondet26#1;havoc ssl3_connect_#t~nondet26#1;ssl3_connect_~tmp___6~0#1 := ssl3_connect_#t~nondet27#1;havoc ssl3_connect_#t~nondet27#1;ssl3_connect_~tmp___7~0#1 := ssl3_connect_#t~nondet28#1;havoc ssl3_connect_#t~nondet28#1;ssl3_connect_~tmp___8~0#1 := ssl3_connect_#t~nondet29#1;havoc ssl3_connect_#t~nondet29#1;ssl3_connect_~tmp___9~0#1 := ssl3_connect_#t~nondet30#1;havoc ssl3_connect_#t~nondet30#1;havoc ssl3_connect_~blastFlag~0#1;havoc ssl3_connect_~__cil_tmp55~0#1;havoc ssl3_connect_~__cil_tmp56~0#1;havoc ssl3_connect_~__cil_tmp57~0#1;havoc ssl3_connect_~__cil_tmp58~0#1;havoc ssl3_connect_~__cil_tmp59~0#1;havoc ssl3_connect_~__cil_tmp60~0#1;havoc ssl3_connect_~__cil_tmp61~0#1;havoc ssl3_connect_~__cil_tmp62~0#1;havoc ssl3_connect_~__cil_tmp63~0#1;havoc ssl3_connect_~__cil_tmp64~0#1;havoc ssl3_connect_~__cil_tmp65~0#1;ssl3_connect_~s__state~0#1 := ssl3_connect_~initial_state#1;ssl3_connect_~blastFlag~0#1 := 0;ssl3_connect_~tmp~0#1 := ssl3_connect_#t~nondet31#1;havoc ssl3_connect_#t~nondet31#1;ssl3_connect_~cb~0#1 := 0;ssl3_connect_~ret~0#1 := -1;ssl3_connect_~skip~0#1 := 0;ssl3_connect_~tmp___0~0#1 := 0; 109#L96true assume 0 != ssl3_connect_~s__info_callback~0#1;ssl3_connect_~cb~0#1 := ssl3_connect_~s__info_callback~0#1; 110#L99-2true ssl3_connect_#t~post32#1 := ssl3_connect_~s__in_handshake~0#1;ssl3_connect_~s__in_handshake~0#1 := 1 + ssl3_connect_#t~post32#1;havoc ssl3_connect_#t~post32#1; 20#L104true assume !(0 != ssl3_connect_~tmp___1~0#1 - 12288); 21#L110-1true [2021-12-15 17:06:38,633 INFO L793 eck$LassoCheckResult]: Loop: 21#L110-1true assume !false; 23#L111true ssl3_connect_~state~0#1 := ssl3_connect_~s__state~0#1; 111#L113true assume !(12292 == ssl3_connect_~s__state~0#1); 30#L116true assume 16384 == ssl3_connect_~s__state~0#1; 39#L218true ssl3_connect_~s__server~0#1 := 0; 65#L223true assume 0 != ssl3_connect_~cb~0#1; 47#L223-2true ssl3_connect_~__cil_tmp55~0#1 := ssl3_connect_~s__version~0#1 - 65280; 83#L228true assume !(768 != ssl3_connect_~__cil_tmp55~0#1);ssl3_connect_~s__type~0#1 := 4096; 72#L234true assume !(0 == ssl3_connect_~s__init_buf___0~0#1); 6#L234-2true assume !(0 == ssl3_connect_~tmp___4~0#1); 89#L250true assume !(0 == ssl3_connect_~tmp___5~0#1);ssl3_connect_~s__state~0#1 := 4368;ssl3_connect_#t~post35#1 := ssl3_connect_~s__ctx__stats__sess_connect~0#1;ssl3_connect_~s__ctx__stats__sess_connect~0#1 := 1 + ssl3_connect_#t~post35#1;havoc ssl3_connect_#t~post35#1;ssl3_connect_~s__init_num~0#1 := 0; 121#L497true assume !(0 == ssl3_connect_~s__s3__tmp__reuse_message~0#1); 52#L532true ssl3_connect_~skip~0#1 := 0; 21#L110-1true [2021-12-15 17:06:38,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:38,645 INFO L85 PathProgramCache]: Analyzing trace with hash 28693997, now seen corresponding path program 1 times [2021-12-15 17:06:38,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:38,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995378448] [2021-12-15 17:06:38,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:38,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:38,729 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:38,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:38,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:38,770 INFO L85 PathProgramCache]: Analyzing trace with hash 473600386, now seen corresponding path program 1 times [2021-12-15 17:06:38,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:38,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520958818] [2021-12-15 17:06:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:38,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:38,794 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:38,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:38,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash 165460758, now seen corresponding path program 1 times [2021-12-15 17:06:38,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:38,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301208106] [2021-12-15 17:06:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:38,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:06:38,892 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 17:06:38,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:06:38,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301208106] [2021-12-15 17:06:38,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301208106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:06:38,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:06:38,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:06:38,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351797626] [2021-12-15 17:06:38,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:06:39,041 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 17:06:39,044 INFO L158 Benchmark]: Toolchain (without parser) took 1300.71ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 99.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-15 17:06:39,044 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:39,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.31ms. Allocated memory is still 140.5MB. Free memory was 108.0MB in the beginning and 112.3MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:06:39,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.70ms. Allocated memory is still 140.5MB. Free memory was 112.3MB in the beginning and 109.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:06:39,046 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 107.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:06:39,046 INFO L158 Benchmark]: RCFGBuilder took 420.23ms. Allocated memory is still 140.5MB. Free memory was 107.6MB in the beginning and 85.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 17:06:39,046 INFO L158 Benchmark]: BuchiAutomizer took 528.22ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 99.4MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:39,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.31ms. Allocated memory is still 140.5MB. Free memory was 108.0MB in the beginning and 112.3MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.70ms. Allocated memory is still 140.5MB. Free memory was 112.3MB in the beginning and 109.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 107.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.23ms. Allocated memory is still 140.5MB. Free memory was 107.6MB in the beginning and 85.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 528.22ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 99.4MB in the end (delta: -14.4MB). There was no memory consumed. 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 17:06:39,073 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