./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_14.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/openssl-simplified/s3_srvr_14.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 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:06:47,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:06:47,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:06:47,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:06:47,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:06:47,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:06:47,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:06:47,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:06:47,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:06:47,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:06:47,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:06:47,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:06:47,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:06:47,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:06:47,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:06:47,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:06:47,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:06:47,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:06:47,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:06:47,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:06:47,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:06:47,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:06:47,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:06:47,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:06:47,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:06:47,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:06:47,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:06:47,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:06:47,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:06:47,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:06:47,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:06:47,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:06:47,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:06:47,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:06:47,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:06:47,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:06:47,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:06:47,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:06:47,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:06:47,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:06:47,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:06:47,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:06:47,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:06:47,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:06:47,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:06:47,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:06:47,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:06:47,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:06:47,164 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:06:47,164 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:06:47,164 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:06:47,164 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:06:47,165 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:06:47,165 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:06:47,165 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:06:47,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:06:47,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:06:47,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:06:47,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:06:47,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:06:47,168 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:06:47,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:06:47,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:06:47,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:06:47,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:06:47,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:06:47,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:06:47,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:06:47,169 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:06:47,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 [2021-12-15 17:06:47,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:06:47,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:06:47,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:06:47,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:06:47,399 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:06:47,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2021-12-15 17:06:47,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8aac95b4/236e506f797949f0bd6a125404e51fce/FLAGc001e93ac [2021-12-15 17:06:47,766 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:06:47,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2021-12-15 17:06:47,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8aac95b4/236e506f797949f0bd6a125404e51fce/FLAGc001e93ac [2021-12-15 17:06:48,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8aac95b4/236e506f797949f0bd6a125404e51fce [2021-12-15 17:06:48,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:06:48,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:06:48,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:48,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:06:48,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:06:48,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102ae375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48, skipping insertion in model container [2021-12-15 17:06:48,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:06:48,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:06:48,427 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_srvr_14.cil.c[45163,45176] [2021-12-15 17:06:48,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:48,446 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:06:48,480 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_srvr_14.cil.c[45163,45176] [2021-12-15 17:06:48,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:48,490 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:06:48,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48 WrapperNode [2021-12-15 17:06:48,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:48,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:48,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:06:48,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:06:48,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,523 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 517 [2021-12-15 17:06:48,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:48,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:06:48,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:06:48,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:06:48,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:06:48,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:06:48,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:06:48,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:06:48,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (1/1) ... [2021-12-15 17:06:48,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:06:48,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:06:48,605 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 17:06:48,611 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 17:06:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:06:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:06:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:06:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:06:48,725 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:06:48,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:06:48,736 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:06:49,089 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-15 17:06:49,089 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-15 17:06:49,090 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:06:49,094 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:06:49,095 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:06:49,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:49 BoogieIcfgContainer [2021-12-15 17:06:49,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:06:49,097 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:06:49,097 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:06:49,099 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:06:49,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:49,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:06:48" (1/3) ... [2021-12-15 17:06:49,100 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b8ea7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:49, skipping insertion in model container [2021-12-15 17:06:49,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:49,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:48" (2/3) ... [2021-12-15 17:06:49,101 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b8ea7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:49, skipping insertion in model container [2021-12-15 17:06:49,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:49,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:49" (3/3) ... [2021-12-15 17:06:49,102 INFO L388 chiAutomizerObserver]: Analyzing ICFG s3_srvr_14.cil.c [2021-12-15 17:06:49,127 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:06:49,127 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:06:49,127 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:06:49,128 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:06:49,128 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:06:49,128 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:06:49,128 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:06:49,128 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:06:49,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.738255033557047) internal successors, (259), 149 states have internal predecessors, (259), 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 17:06:49,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 128 [2021-12-15 17:06:49,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:49,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:49,160 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:49,160 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:49,160 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:06:49,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.738255033557047) internal successors, (259), 149 states have internal predecessors, (259), 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 17:06:49,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 128 [2021-12-15 17:06:49,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:49,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:49,167 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:49,167 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:49,170 INFO L791 eck$LassoCheckResult]: Stem: 132#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(17, 2);call #Ultimate.allocInit(12, 3); 43#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~post32#1, ssl3_accept_#t~nondet33#1, ssl3_accept_#t~post34#1, ssl3_accept_#t~post35#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~post50#1, ssl3_accept_#t~nondet51#1, ssl3_accept_#t~post52#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_~__cil_tmp55~0#1, ssl3_accept_~__cil_tmp56~0#1, ssl3_accept_~__cil_tmp57~0#1, ssl3_accept_~__cil_tmp58~0#1, ssl3_accept_~__cil_tmp59~0#1, ssl3_accept_~__cil_tmp60~0#1, ssl3_accept_~__cil_tmp61~0#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 := 1;ssl3_accept_~s__debug~0#1 := ssl3_accept_#t~nondet8#1;havoc ssl3_accept_#t~nondet8#1;havoc ssl3_accept_~s__shutdown~0#1;ssl3_accept_~s__cert~0#1 := ssl3_accept_#t~nondet9#1;havoc ssl3_accept_#t~nondet9#1;ssl3_accept_~s__options~0#1 := ssl3_accept_#t~nondet10#1;havoc ssl3_accept_#t~nondet10#1;ssl3_accept_~s__verify_mode~0#1 := ssl3_accept_#t~nondet11#1;havoc ssl3_accept_#t~nondet11#1;ssl3_accept_~s__session__peer~0#1 := ssl3_accept_#t~nondet12#1;havoc ssl3_accept_#t~nondet12#1;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0#1 := ssl3_accept_#t~nondet13#1;havoc ssl3_accept_#t~nondet13#1;ssl3_accept_~s__ctx__info_callback~0#1 := ssl3_accept_#t~nondet14#1;havoc ssl3_accept_#t~nondet14#1;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0#1 := ssl3_accept_#t~nondet15#1;havoc ssl3_accept_#t~nondet15#1;ssl3_accept_~s__ctx__stats__sess_accept~0#1 := ssl3_accept_#t~nondet16#1;havoc ssl3_accept_#t~nondet16#1;ssl3_accept_~s__ctx__stats__sess_accept_good~0#1 := ssl3_accept_#t~nondet17#1;havoc ssl3_accept_#t~nondet17#1;havoc ssl3_accept_~s__s3__tmp__cert_request~0#1;havoc ssl3_accept_~s__s3__tmp__reuse_message~0#1;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0#1;ssl3_accept_~s__s3__tmp__new_cipher~0#1 := ssl3_accept_#t~nondet18#1;havoc ssl3_accept_#t~nondet18#1;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1 := ssl3_accept_#t~nondet19#1;havoc ssl3_accept_#t~nondet19#1;havoc ssl3_accept_~s__s3__tmp__next_state___0~0#1;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0#1 := ssl3_accept_#t~nondet20#1;havoc ssl3_accept_#t~nondet20#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~nondet21#1;havoc ssl3_accept_#t~nondet21#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~nondet22#1;havoc ssl3_accept_#t~nondet22#1;ssl3_accept_~tmp___2~0#1 := ssl3_accept_#t~nondet23#1;havoc ssl3_accept_#t~nondet23#1;ssl3_accept_~tmp___3~0#1 := ssl3_accept_#t~nondet24#1;havoc ssl3_accept_#t~nondet24#1;ssl3_accept_~tmp___4~0#1 := ssl3_accept_#t~nondet25#1;havoc ssl3_accept_#t~nondet25#1;ssl3_accept_~tmp___5~0#1 := ssl3_accept_#t~nondet26#1;havoc ssl3_accept_#t~nondet26#1;ssl3_accept_~tmp___6~0#1 := ssl3_accept_#t~nondet27#1;havoc ssl3_accept_#t~nondet27#1;havoc ssl3_accept_~tmp___7~0#1;ssl3_accept_~tmp___8~0#1 := ssl3_accept_#t~nondet28#1;havoc ssl3_accept_#t~nondet28#1;ssl3_accept_~tmp___9~0#1 := ssl3_accept_#t~nondet29#1;havoc ssl3_accept_#t~nondet29#1;ssl3_accept_~tmp___10~0#1 := ssl3_accept_#t~nondet30#1;havoc ssl3_accept_#t~nondet30#1;havoc ssl3_accept_~blastFlag~0#1;havoc ssl3_accept_~__cil_tmp55~0#1;havoc ssl3_accept_~__cil_tmp56~0#1;havoc ssl3_accept_~__cil_tmp57~0#1;havoc ssl3_accept_~__cil_tmp58~0#1;havoc ssl3_accept_~__cil_tmp59~0#1;havoc ssl3_accept_~__cil_tmp60~0#1;havoc ssl3_accept_~__cil_tmp61~0#1;ssl3_accept_~s__s3__tmp__reuse_message~0#1 := 0;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~nondet31#1;havoc ssl3_accept_#t~nondet31#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; 39#L93true assume 0 != ssl3_accept_~s__info_callback~0#1;ssl3_accept_~cb~0#1 := ssl3_accept_~s__info_callback~0#1; 24#L96-2true ssl3_accept_#t~post32#1 := ssl3_accept_~s__in_handshake~0#1;ssl3_accept_~s__in_handshake~0#1 := 1 + ssl3_accept_#t~post32#1;havoc ssl3_accept_#t~post32#1; 134#L101true assume !(0 != 12288 + ssl3_accept_~tmp___1~0#1); 20#L101-1true assume !(0 == ssl3_accept_~s__cert~0#1); 47#L110-2true [2021-12-15 17:06:49,170 INFO L793 eck$LassoCheckResult]: Loop: 47#L110-2true assume !false; 21#L111true ssl3_accept_~state~0#1 := ssl3_accept_~s__state~0#1; 127#L113true assume !(12292 == ssl3_accept_~s__state~0#1); 30#L116true assume !(16384 == ssl3_accept_~s__state~0#1); 133#L119true assume !(8192 == ssl3_accept_~s__state~0#1); 58#L122true assume !(24576 == ssl3_accept_~s__state~0#1); 93#L125true assume !(8195 == ssl3_accept_~s__state~0#1); 65#L128true assume 8480 == ssl3_accept_~s__state~0#1; 141#L132true ssl3_accept_~s__shutdown~0#1 := 0;ssl3_accept_~ret~0#1 := ssl3_accept_#t~nondet36#1;havoc ssl3_accept_#t~nondet36#1; 11#L270true 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; 74#L577true assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0#1); 40#L614true ssl3_accept_~skip~0#1 := 0; 47#L110-2true [2021-12-15 17:06:49,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash 889513938, now seen corresponding path program 1 times [2021-12-15 17:06:49,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:49,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210565741] [2021-12-15 17:06:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:49,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:49,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:49,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:49,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:49,290 INFO L85 PathProgramCache]: Analyzing trace with hash -289465289, now seen corresponding path program 1 times [2021-12-15 17:06:49,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:49,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381721572] [2021-12-15 17:06:49,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:49,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:49,305 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:49,317 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:49,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:49,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1315319160, now seen corresponding path program 1 times [2021-12-15 17:06:49,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:49,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148195889] [2021-12-15 17:06:49,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:49,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:06:49,399 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 17:06:49,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:06:49,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148195889] [2021-12-15 17:06:49,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148195889] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:06:49,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:06:49,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:06:49,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052096230] [2021-12-15 17:06:49,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:06:49,485 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 17:06:49,492 INFO L158 Benchmark]: Toolchain (without parser) took 1307.55ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 61.3MB in the end (delta: 23.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-12-15 17:06:49,493 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:49,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.62ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 85.4MB in the end (delta: -963.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:06:49,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.44ms. Allocated memory is still 113.2MB. Free memory was 85.4MB in the beginning and 82.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:06:49,495 INFO L158 Benchmark]: Boogie Preprocessor took 37.59ms. Allocated memory is still 113.2MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:49,496 INFO L158 Benchmark]: RCFGBuilder took 533.75ms. Allocated memory is still 113.2MB. Free memory was 80.8MB in the beginning and 87.6MB in the end (delta: -6.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-12-15 17:06:49,497 INFO L158 Benchmark]: BuchiAutomizer took 393.20ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 61.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 17:06:49,502 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 83.9MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.62ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 85.4MB in the end (delta: -963.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.44ms. Allocated memory is still 113.2MB. Free memory was 85.4MB in the beginning and 82.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.59ms. Allocated memory is still 113.2MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.75ms. Allocated memory is still 113.2MB. Free memory was 80.8MB in the beginning and 87.6MB in the end (delta: -6.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 393.20ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 61.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. 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 17:06:49,552 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