./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_3.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_3.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 5f4304a957668929d4c4ca97a168406535fe955ba86c164574a4a7768919c53b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:06:51,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:06:51,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:06:51,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:06:51,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:06:51,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:06:51,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:06:51,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:06:51,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:06:51,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:06:51,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:06:51,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:06:51,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:06:51,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:06:51,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:06:51,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:06:51,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:06:51,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:06:51,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:06:51,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:06:51,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:06:51,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:06:51,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:06:51,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:06:51,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:06:51,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:06:51,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:06:51,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:06:51,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:06:51,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:06:51,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:06:51,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:06:51,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:06:51,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:06:51,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:06:51,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:06:51,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:06:51,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:06:51,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:06:51,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:06:51,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:06:51,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:06:51,428 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:06:51,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:06:51,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:06:51,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:06:51,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:06:51,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:06:51,431 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:06:51,431 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:06:51,432 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:06:51,432 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:06:51,432 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:06:51,432 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:06:51,433 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:06:51,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:06:51,433 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:06:51,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:06:51,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:06:51,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:06:51,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:06:51,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:06:51,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:06:51,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:06:51,434 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:06:51,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:06:51,439 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:06:51,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:06:51,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:06:51,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:06:51,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:06:51,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:06:51,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:06:51,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:06:51,441 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:06:51,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f4304a957668929d4c4ca97a168406535fe955ba86c164574a4a7768919c53b [2021-12-15 17:06:51,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:06:51,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:06:51,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:06:51,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:06:51,683 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:06:51,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c [2021-12-15 17:06:51,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c695bdf/280dd4262eab4fef897665b3b9d14f70/FLAG3867cfef1 [2021-12-15 17:06:52,145 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:06:52,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c [2021-12-15 17:06:52,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c695bdf/280dd4262eab4fef897665b3b9d14f70/FLAG3867cfef1 [2021-12-15 17:06:52,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c695bdf/280dd4262eab4fef897665b3b9d14f70 [2021-12-15 17:06:52,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:06:52,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:06:52,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:52,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:06:52,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:06:52,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88b3480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52, skipping insertion in model container [2021-12-15 17:06:52,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:06:52,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:06:52,426 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_3.cil.c[42783,42796] [2021-12-15 17:06:52,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:52,441 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:06:52,484 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_3.cil.c[42783,42796] [2021-12-15 17:06:52,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:06:52,495 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:06:52,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52 WrapperNode [2021-12-15 17:06:52,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:06:52,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:52,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:06:52,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:06:52,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,539 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 500 [2021-12-15 17:06:52,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:06:52,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:06:52,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:06:52,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:06:52,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:06:52,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:06:52,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:06:52,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:06:52,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (1/1) ... [2021-12-15 17:06:52,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:06:52,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:06:52,621 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 17:06:52,639 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 17:06:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:06:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:06:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:06:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:06:52,757 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:06:52,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:06:52,777 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 17:06:53,103 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-15 17:06:53,104 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-15 17:06:53,104 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:06:53,109 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:06:53,110 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:06:53,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:53 BoogieIcfgContainer [2021-12-15 17:06:53,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:06:53,113 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:06:53,115 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:06:53,118 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:06:53,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:53,119 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:06:52" (1/3) ... [2021-12-15 17:06:53,120 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29659a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:53, skipping insertion in model container [2021-12-15 17:06:53,120 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:53,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:06:52" (2/3) ... [2021-12-15 17:06:53,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29659a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:06:53, skipping insertion in model container [2021-12-15 17:06:53,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:06:53,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:06:53" (3/3) ... [2021-12-15 17:06:53,122 INFO L388 chiAutomizerObserver]: Analyzing ICFG s3_srvr_3.cil.c [2021-12-15 17:06:53,158 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:06:53,158 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:06:53,158 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:06:53,158 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:06:53,159 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:06:53,159 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:06:53,159 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:06:53,159 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:06:53,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 140 states, 139 states have (on average 1.7194244604316546) internal successors, (239), 139 states have internal predecessors, (239), 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 17:06:53,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 118 [2021-12-15 17:06:53,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:53,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:53,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:53,212 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:53,212 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:06:53,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 140 states, 139 states have (on average 1.7194244604316546) internal successors, (239), 139 states have internal predecessors, (239), 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 17:06:53,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 118 [2021-12-15 17:06:53,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:06:53,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:06:53,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:06:53,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:06:53,220 INFO L791 eck$LassoCheckResult]: Stem: 126#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(16, 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~ret54#1, main_~s~0#1, main_~tmp~1#1;havoc main_~s~0#1;havoc main_~tmp~1#1;main_~s~0#1 := 8464;assume { :begin_inline_ssl3_accept } true;ssl3_accept_#in~initial_state#1 := main_~s~0#1;havoc ssl3_accept_#res#1;havoc ssl3_accept_#t~nondet4#1, ssl3_accept_#t~nondet5#1, ssl3_accept_#t~nondet6#1, ssl3_accept_#t~nondet7#1, ssl3_accept_#t~nondet8#1, ssl3_accept_#t~nondet9#1, ssl3_accept_#t~nondet10#1, ssl3_accept_#t~nondet11#1, ssl3_accept_#t~nondet12#1, ssl3_accept_#t~nondet13#1, ssl3_accept_#t~nondet14#1, ssl3_accept_#t~nondet15#1, ssl3_accept_#t~nondet16#1, ssl3_accept_#t~nondet17#1, ssl3_accept_#t~nondet18#1, ssl3_accept_#t~nondet19#1, ssl3_accept_#t~nondet20#1, ssl3_accept_#t~nondet21#1, ssl3_accept_#t~nondet22#1, ssl3_accept_#t~nondet23#1, ssl3_accept_#t~nondet24#1, ssl3_accept_#t~nondet25#1, ssl3_accept_#t~nondet26#1, ssl3_accept_#t~nondet27#1, ssl3_accept_#t~nondet28#1, ssl3_accept_#t~nondet29#1, ssl3_accept_#t~nondet30#1, ssl3_accept_#t~nondet31#1, ssl3_accept_#t~nondet32#1, ssl3_accept_#t~post33#1, ssl3_accept_#t~nondet34#1, ssl3_accept_#t~post35#1, ssl3_accept_#t~post36#1, ssl3_accept_#t~nondet37#1, ssl3_accept_#t~nondet38#1, ssl3_accept_#t~nondet39#1, ssl3_accept_#t~nondet40#1, ssl3_accept_#t~nondet41#1, ssl3_accept_#t~nondet42#1, ssl3_accept_#t~nondet43#1, ssl3_accept_#t~nondet44#1, ssl3_accept_#t~nondet45#1, ssl3_accept_#t~nondet46#1, ssl3_accept_#t~nondet47#1, ssl3_accept_#t~nondet48#1, ssl3_accept_#t~nondet49#1, ssl3_accept_#t~nondet50#1, ssl3_accept_#t~post51#1, ssl3_accept_#t~nondet52#1, ssl3_accept_#t~post53#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;ssl3_accept_~s__s3__tmp__reuse_message~0#1 := ssl3_accept_#t~nondet18#1;havoc ssl3_accept_#t~nondet18#1;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0#1;ssl3_accept_~s__s3__tmp__new_cipher~0#1 := ssl3_accept_#t~nondet19#1;havoc ssl3_accept_#t~nondet19#1;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1 := ssl3_accept_#t~nondet20#1;havoc ssl3_accept_#t~nondet20#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~nondet21#1;havoc ssl3_accept_#t~nondet21#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~nondet22#1;havoc ssl3_accept_#t~nondet22#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~nondet23#1;havoc ssl3_accept_#t~nondet23#1;ssl3_accept_~tmp___2~0#1 := ssl3_accept_#t~nondet24#1;havoc ssl3_accept_#t~nondet24#1;ssl3_accept_~tmp___3~0#1 := ssl3_accept_#t~nondet25#1;havoc ssl3_accept_#t~nondet25#1;ssl3_accept_~tmp___4~0#1 := ssl3_accept_#t~nondet26#1;havoc ssl3_accept_#t~nondet26#1;ssl3_accept_~tmp___5~0#1 := ssl3_accept_#t~nondet27#1;havoc ssl3_accept_#t~nondet27#1;ssl3_accept_~tmp___6~0#1 := ssl3_accept_#t~nondet28#1;havoc ssl3_accept_#t~nondet28#1;havoc ssl3_accept_~tmp___7~0#1;ssl3_accept_~tmp___8~0#1 := ssl3_accept_#t~nondet29#1;havoc ssl3_accept_#t~nondet29#1;ssl3_accept_~tmp___9~0#1 := ssl3_accept_#t~nondet30#1;havoc ssl3_accept_#t~nondet30#1;ssl3_accept_~tmp___10~0#1 := ssl3_accept_#t~nondet31#1;havoc ssl3_accept_#t~nondet31#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__state~0#1 := ssl3_accept_~initial_state#1;ssl3_accept_~blastFlag~0#1 := 0;ssl3_accept_~tmp~0#1 := ssl3_accept_#t~nondet32#1;havoc ssl3_accept_#t~nondet32#1;ssl3_accept_~Time~0#1 := ssl3_accept_~tmp~0#1;ssl3_accept_~cb~0#1 := 0;ssl3_accept_~ret~0#1 := -1;ssl3_accept_~skip~0#1 := 0;ssl3_accept_~got_new_session~0#1 := 0; 40#L93true assume 0 != ssl3_accept_~s__info_callback~0#1;ssl3_accept_~cb~0#1 := ssl3_accept_~s__info_callback~0#1; 23#L96-2true ssl3_accept_#t~post33#1 := ssl3_accept_~s__in_handshake~0#1;ssl3_accept_~s__in_handshake~0#1 := 1 + ssl3_accept_#t~post33#1;havoc ssl3_accept_#t~post33#1; 128#L101true assume !(0 != 12288 + ssl3_accept_~tmp___1~0#1); 19#L101-1true assume !(0 == ssl3_accept_~s__cert~0#1); 47#L110-2true [2021-12-15 17:06:53,227 INFO L793 eck$LassoCheckResult]: Loop: 47#L110-2true assume !false; 20#L111true ssl3_accept_~state~0#1 := ssl3_accept_~s__state~0#1; 121#L113true assume !(12292 == ssl3_accept_~s__state~0#1); 32#L116true assume !(16384 == ssl3_accept_~s__state~0#1); 127#L119true assume !(8192 == ssl3_accept_~s__state~0#1); 58#L122true assume !(24576 == ssl3_accept_~s__state~0#1); 89#L125true assume !(8195 == ssl3_accept_~s__state~0#1); 63#L128true assume 8480 == ssl3_accept_~s__state~0#1; 134#L132true ssl3_accept_~s__shutdown~0#1 := 0;ssl3_accept_~ret~0#1 := ssl3_accept_#t~nondet37#1;havoc ssl3_accept_#t~nondet37#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; 79#L553true assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0#1); 55#L590true ssl3_accept_~skip~0#1 := 0; 47#L110-2true [2021-12-15 17:06:53,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash 889513938, now seen corresponding path program 1 times [2021-12-15 17:06:53,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304924385] [2021-12-15 17:06:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:53,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:53,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:53,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:53,357 INFO L85 PathProgramCache]: Analyzing trace with hash -289467017, now seen corresponding path program 1 times [2021-12-15 17:06:53,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:53,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067412658] [2021-12-15 17:06:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:53,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:53,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:06:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:06:53,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:06:53,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:06:53,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1315320888, now seen corresponding path program 1 times [2021-12-15 17:06:53,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:06:53,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498044507] [2021-12-15 17:06:53,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:06:53,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:06:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:06:53,468 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 17:06:53,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:06:53,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498044507] [2021-12-15 17:06:53,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498044507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:06:53,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:06:53,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:06:53,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836870096] [2021-12-15 17:06:53,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:06:53,573 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 17:06:53,578 INFO L158 Benchmark]: Toolchain (without parser) took 1393.67ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 70.7MB in the beginning and 37.7MB in the end (delta: 33.0MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-12-15 17:06:53,579 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:06:53,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.44ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 70.7MB in the beginning and 93.8MB in the end (delta: -23.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:06:53,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 90.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:06:53,581 INFO L158 Benchmark]: Boogie Preprocessor took 50.75ms. Allocated memory is still 121.6MB. Free memory was 90.7MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:06:53,582 INFO L158 Benchmark]: RCFGBuilder took 519.03ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 63.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 17:06:53,583 INFO L158 Benchmark]: BuchiAutomizer took 462.79ms. Allocated memory is still 121.6MB. Free memory was 63.7MB in the beginning and 37.7MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 17:06:53,589 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 100.7MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.44ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 70.7MB in the beginning and 93.8MB in the end (delta: -23.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 90.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.75ms. Allocated memory is still 121.6MB. Free memory was 90.7MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.03ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 63.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 462.79ms. Allocated memory is still 121.6MB. Free memory was 63.7MB in the beginning and 37.7MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. 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 17:06:53,621 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