./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4412f873965d7271481a31165cef4693811ec350 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:57:38,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:57:38,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:57:38,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:57:38,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:57:38,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:57:38,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:57:38,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:57:38,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:57:38,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:57:38,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:57:38,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:57:38,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:57:38,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:57:38,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:57:38,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:57:38,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:57:38,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:57:38,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:57:38,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:57:38,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:57:38,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:57:38,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:57:38,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:57:38,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:57:38,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:57:38,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:57:38,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:57:38,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:57:38,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:57:38,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:57:38,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:57:38,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:57:38,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:57:38,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:57:38,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:57:38,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:57:38,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:57:38,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:57:38,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:57:38,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:57:38,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 01:57:38,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:57:38,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:57:38,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:57:38,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:57:38,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:57:38,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:57:38,472 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:57:38,473 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:57:38,473 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:57:38,473 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:57:38,473 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:57:38,473 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:57:38,474 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:57:38,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:57:38,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 01:57:38,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:57:38,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:57:38,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 01:57:38,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:57:38,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:57:38,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:57:38,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:57:38,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 01:57:38,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:57:38,476 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:57:38,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:57:38,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:57:38,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:57:38,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:57:38,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:57:38,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:57:38,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:57:38,478 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:57:38,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2021-08-31 01:57:38,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:57:38,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:57:38,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:57:38,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:57:38,794 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:57:38,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-08-31 01:57:38,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d385a70/9fbdde5617064ea29f7065981e7c48be/FLAG37027200e [2021-08-31 01:57:39,349 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:57:39,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-08-31 01:57:39,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d385a70/9fbdde5617064ea29f7065981e7c48be/FLAG37027200e [2021-08-31 01:57:39,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d385a70/9fbdde5617064ea29f7065981e7c48be [2021-08-31 01:57:39,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:57:39,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:57:39,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:57:39,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:57:39,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:57:39,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:57:39" (1/1) ... [2021-08-31 01:57:39,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0a923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:39, skipping insertion in model container [2021-08-31 01:57:39,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:57:39" (1/1) ... [2021-08-31 01:57:39,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:57:39,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:57:39,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-08-31 01:57:39,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:57:39,975 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:57:40,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-08-31 01:57:40,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:57:40,079 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:57:40,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40 WrapperNode [2021-08-31 01:57:40,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:57:40,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:57:40,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:57:40,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:57:40,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:57:40,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:57:40,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:57:40,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:57:40,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:57:40,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:57:40,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:57:40,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:57:40,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (1/1) ... [2021-08-31 01:57:40,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:40,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:40,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:57:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 01:57:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:57:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:57:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:57:40,326 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-31 01:57:40,456 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-08-31 01:57:40,457 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-08-31 01:57:40,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:57:40,463 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-31 01:57:40,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:57:40 BoogieIcfgContainer [2021-08-31 01:57:40,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:57:40,466 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:57:40,466 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:57:40,468 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:57:40,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:57:40,469 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:57:39" (1/3) ... [2021-08-31 01:57:40,470 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d26f6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:57:40, skipping insertion in model container [2021-08-31 01:57:40,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:57:40,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:57:40" (2/3) ... [2021-08-31 01:57:40,470 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d26f6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:57:40, skipping insertion in model container [2021-08-31 01:57:40,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:57:40,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:57:40" (3/3) ... [2021-08-31 01:57:40,471 INFO L389 chiAutomizerObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2021-08-31 01:57:40,506 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:57:40,506 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:57:40,506 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:57:40,506 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:57:40,507 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:57:40,507 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:57:40,507 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:57:40,507 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:57:40,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 137 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 136 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:40,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 114 [2021-08-31 01:57:40,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:57:40,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:57:40,596 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:57:40,597 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:40,597 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:57:40,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 137 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 136 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:40,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 114 [2021-08-31 01:57:40,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:57:40,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:57:40,630 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:57:40,630 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:40,636 INFO L791 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 42#L-1true havoc main_#res;havoc main_#t~ret54, main_~s~0, main_~tmp~1;havoc main_~s~0;havoc main_~tmp~1;main_~s~0 := 8464;ssl3_accept_#in~initial_state := main_~s~0;havoc ssl3_accept_#res;havoc ssl3_accept_#t~nondet7, ssl3_accept_#t~nondet8, ssl3_accept_#t~nondet9, ssl3_accept_#t~nondet10, ssl3_accept_#t~nondet11, ssl3_accept_#t~nondet12, ssl3_accept_#t~nondet13, ssl3_accept_#t~nondet14, ssl3_accept_#t~nondet15, ssl3_accept_#t~nondet16, ssl3_accept_#t~nondet17, ssl3_accept_#t~nondet18, ssl3_accept_#t~nondet19, ssl3_accept_#t~nondet20, ssl3_accept_#t~nondet21, ssl3_accept_#t~nondet22, ssl3_accept_#t~nondet23, ssl3_accept_#t~nondet24, ssl3_accept_#t~nondet25, ssl3_accept_#t~nondet26, ssl3_accept_#t~nondet27, ssl3_accept_#t~nondet28, ssl3_accept_#t~nondet29, ssl3_accept_#t~nondet30, ssl3_accept_#t~nondet31, ssl3_accept_#t~nondet32, ssl3_accept_#t~nondet33, ssl3_accept_#t~nondet34, ssl3_accept_#t~nondet35, ssl3_accept_#t~nondet36, ssl3_accept_#t~nondet37, ssl3_accept_#t~nondet38, ssl3_accept_#t~nondet39, ssl3_accept_#t~nondet40, ssl3_accept_#t~nondet41, ssl3_accept_#t~nondet42, ssl3_accept_#t~nondet43, ssl3_accept_#t~nondet44, ssl3_accept_#t~nondet45, ssl3_accept_#t~nondet46, ssl3_accept_#t~nondet47, ssl3_accept_#t~nondet48, ssl3_accept_#t~nondet49, ssl3_accept_#t~nondet50, ssl3_accept_#t~nondet51, ssl3_accept_#t~nondet52, ssl3_accept_#t~nondet53, ssl3_accept_~initial_state, ssl3_accept_~s__info_callback~0, ssl3_accept_~s__in_handshake~0, ssl3_accept_~s__state~0, ssl3_accept_~s__new_session~0, ssl3_accept_~s__server~0, ssl3_accept_~s__version~0, ssl3_accept_~s__type~0, ssl3_accept_~s__init_num~0, ssl3_accept_~s__hit~0, ssl3_accept_~s__rwstate~0, ssl3_accept_~s__init_buf___0~0, ssl3_accept_~s__debug~0, ssl3_accept_~s__shutdown~0, ssl3_accept_~s__cert~0, ssl3_accept_~s__options~0, ssl3_accept_~s__verify_mode~0, ssl3_accept_~s__session__peer~0, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0, ssl3_accept_~s__ctx__info_callback~0, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0, ssl3_accept_~s__ctx__stats__sess_accept~0, ssl3_accept_~s__ctx__stats__sess_accept_good~0, ssl3_accept_~s__s3__tmp__cert_request~0, ssl3_accept_~s__s3__tmp__reuse_message~0, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0, ssl3_accept_~s__s3__tmp__new_cipher~0, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0, ssl3_accept_~s__s3__tmp__next_state___0~0, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0, ssl3_accept_~s__session__cipher~0, ssl3_accept_~buf~0, ssl3_accept_~l~0, ssl3_accept_~Time~0, ssl3_accept_~tmp~0, ssl3_accept_~cb~0, ssl3_accept_~num1~0, ssl3_accept_~ret~0, ssl3_accept_~new_state~0, ssl3_accept_~state~0, ssl3_accept_~skip~0, ssl3_accept_~got_new_session~0, ssl3_accept_~tmp___1~0, ssl3_accept_~tmp___2~0, ssl3_accept_~tmp___3~0, ssl3_accept_~tmp___4~0, ssl3_accept_~tmp___5~0, ssl3_accept_~tmp___6~0, ssl3_accept_~tmp___7~0, ssl3_accept_~tmp___8~0, ssl3_accept_~tmp___9~0, ssl3_accept_~tmp___10~0, ssl3_accept_~blastFlag~0, ssl3_accept_~ag_X~0, ssl3_accept_~ag_Y~0, ssl3_accept_~__retres69~0;ssl3_accept_~initial_state := ssl3_accept_#in~initial_state;ssl3_accept_~s__info_callback~0 := ssl3_accept_#t~nondet7;havoc ssl3_accept_#t~nondet7;ssl3_accept_~s__in_handshake~0 := ssl3_accept_#t~nondet8;havoc ssl3_accept_#t~nondet8;havoc ssl3_accept_~s__state~0;havoc ssl3_accept_~s__new_session~0;havoc ssl3_accept_~s__server~0;ssl3_accept_~s__version~0 := ssl3_accept_#t~nondet9;havoc ssl3_accept_#t~nondet9;havoc ssl3_accept_~s__type~0;havoc ssl3_accept_~s__init_num~0;ssl3_accept_~s__hit~0 := ssl3_accept_#t~nondet10;havoc ssl3_accept_#t~nondet10;havoc ssl3_accept_~s__rwstate~0;havoc ssl3_accept_~s__init_buf___0~0;ssl3_accept_~s__debug~0 := ssl3_accept_#t~nondet11;havoc ssl3_accept_#t~nondet11;havoc ssl3_accept_~s__shutdown~0;ssl3_accept_~s__cert~0 := ssl3_accept_#t~nondet12;havoc ssl3_accept_#t~nondet12;ssl3_accept_~s__options~0 := ssl3_accept_#t~nondet13;havoc ssl3_accept_#t~nondet13;ssl3_accept_~s__verify_mode~0 := ssl3_accept_#t~nondet14;havoc ssl3_accept_#t~nondet14;ssl3_accept_~s__session__peer~0 := ssl3_accept_#t~nondet15;havoc ssl3_accept_#t~nondet15;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0 := ssl3_accept_#t~nondet16;havoc ssl3_accept_#t~nondet16;ssl3_accept_~s__ctx__info_callback~0 := ssl3_accept_#t~nondet17;havoc ssl3_accept_#t~nondet17;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0 := ssl3_accept_#t~nondet18;havoc ssl3_accept_#t~nondet18;ssl3_accept_~s__ctx__stats__sess_accept~0 := ssl3_accept_#t~nondet19;havoc ssl3_accept_#t~nondet19;ssl3_accept_~s__ctx__stats__sess_accept_good~0 := ssl3_accept_#t~nondet20;havoc ssl3_accept_#t~nondet20;havoc ssl3_accept_~s__s3__tmp__cert_request~0;ssl3_accept_~s__s3__tmp__reuse_message~0 := ssl3_accept_#t~nondet21;havoc ssl3_accept_#t~nondet21;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0;ssl3_accept_~s__s3__tmp__new_cipher~0 := ssl3_accept_#t~nondet22;havoc ssl3_accept_#t~nondet22;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 := ssl3_accept_#t~nondet23;havoc ssl3_accept_#t~nondet23;havoc ssl3_accept_~s__s3__tmp__next_state___0~0;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0 := ssl3_accept_#t~nondet24;havoc ssl3_accept_#t~nondet24;havoc ssl3_accept_~s__session__cipher~0;havoc ssl3_accept_~buf~0;havoc ssl3_accept_~l~0;havoc ssl3_accept_~Time~0;havoc ssl3_accept_~tmp~0;havoc ssl3_accept_~cb~0;ssl3_accept_~num1~0 := ssl3_accept_#t~nondet25;havoc ssl3_accept_#t~nondet25;havoc ssl3_accept_~ret~0;havoc ssl3_accept_~new_state~0;havoc ssl3_accept_~state~0;havoc ssl3_accept_~skip~0;havoc ssl3_accept_~got_new_session~0;ssl3_accept_~tmp___1~0 := ssl3_accept_#t~nondet26;havoc ssl3_accept_#t~nondet26;ssl3_accept_~tmp___2~0 := ssl3_accept_#t~nondet27;havoc ssl3_accept_#t~nondet27;ssl3_accept_~tmp___3~0 := ssl3_accept_#t~nondet28;havoc ssl3_accept_#t~nondet28;ssl3_accept_~tmp___4~0 := ssl3_accept_#t~nondet29;havoc ssl3_accept_#t~nondet29;ssl3_accept_~tmp___5~0 := ssl3_accept_#t~nondet30;havoc ssl3_accept_#t~nondet30;ssl3_accept_~tmp___6~0 := ssl3_accept_#t~nondet31;havoc ssl3_accept_#t~nondet31;havoc ssl3_accept_~tmp___7~0;ssl3_accept_~tmp___8~0 := ssl3_accept_#t~nondet32;havoc ssl3_accept_#t~nondet32;ssl3_accept_~tmp___9~0 := ssl3_accept_#t~nondet33;havoc ssl3_accept_#t~nondet33;ssl3_accept_~tmp___10~0 := ssl3_accept_#t~nondet34;havoc ssl3_accept_#t~nondet34;havoc ssl3_accept_~blastFlag~0;ssl3_accept_~ag_X~0 := ssl3_accept_#t~nondet35;havoc ssl3_accept_#t~nondet35;ssl3_accept_~ag_Y~0 := ssl3_accept_#t~nondet36;havoc ssl3_accept_#t~nondet36;havoc ssl3_accept_~__retres69~0;ssl3_accept_~s__state~0 := ssl3_accept_~initial_state;ssl3_accept_~blastFlag~0 := 0;ssl3_accept_~tmp~0 := ssl3_accept_#t~nondet37;havoc ssl3_accept_#t~nondet37;ssl3_accept_~Time~0 := ssl3_accept_~tmp~0;ssl3_accept_~cb~0 := 0;ssl3_accept_~ret~0 := -1;ssl3_accept_~skip~0 := 0;ssl3_accept_~got_new_session~0 := 0; 82#L77true assume 0 != ssl3_accept_~s__info_callback~0;ssl3_accept_~cb~0 := ssl3_accept_~s__info_callback~0; 22#L80-2true ssl3_accept_~s__in_handshake~0 := 1 + ssl3_accept_~s__in_handshake~0; 55#L87true assume !(0 != (12288 + ssl3_accept_~tmp___1~0) % 4294967296); 9#L87-1true assume !(0 == ssl3_accept_~s__cert~0); 103#L103-2true [2021-08-31 01:57:40,636 INFO L793 eck$LassoCheckResult]: Loop: 103#L103-2true assume !false; 21#L104true ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 123#L106true assume 12292 == ssl3_accept_~s__state~0; 130#L107true ssl3_accept_~s__new_session~0 := 1; 111#L216true ssl3_accept_~s__server~0 := 1; 90#L221true assume 0 != ssl3_accept_~cb~0; 64#L221-2true assume !(3 != 8 * ssl3_accept_~s__version~0 % 4294967296);ssl3_accept_~s__type~0 := 8192; 69#L233true assume !(0 == ssl3_accept_~s__init_buf___0~0); 63#L233-2true assume !(0 == ssl3_accept_~tmp___4~0);ssl3_accept_~s__init_num~0 := 0; 34#L258true assume !(12292 != ssl3_accept_~s__state~0);ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0 := 1 + ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0;ssl3_accept_~s__state~0 := 8480; 17#L592true assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0); 86#L630true ssl3_accept_~skip~0 := 0; 103#L103-2true [2021-08-31 01:57:40,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:40,641 INFO L82 PathProgramCache]: Analyzing trace with hash 889513938, now seen corresponding path program 1 times [2021-08-31 01:57:40,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:40,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601821371] [2021-08-31 01:57:40,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:40,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:40,758 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:40,832 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash 450429232, now seen corresponding path program 1 times [2021-08-31 01:57:40,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:40,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809074200] [2021-08-31 01:57:40,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:40,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:57:40,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:57:40,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809074200] [2021-08-31 01:57:40,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809074200] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:57:40,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:57:40,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:57:40,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827998388] [2021-08-31 01:57:40,920 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:57:40,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:57:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-31 01:57:40,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-31 01:57:40,954 INFO L87 Difference]: Start difference. First operand has 137 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 136 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:41,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:57:41,310 INFO L93 Difference]: Finished difference Result 131 states and 220 transitions. [2021-08-31 01:57:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 01:57:41,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 131 states and 220 transitions. [2021-08-31 01:57:41,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 104 [2021-08-31 01:57:41,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 131 states to 112 states and 172 transitions. [2021-08-31 01:57:41,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112 [2021-08-31 01:57:41,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112 [2021-08-31 01:57:41,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 172 transitions. [2021-08-31 01:57:41,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:57:41,334 INFO L681 BuchiCegarLoop]: Abstraction has 112 states and 172 transitions. [2021-08-31 01:57:41,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 172 transitions. [2021-08-31 01:57:41,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-08-31 01:57:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.5357142857142858) internal successors, (172), 111 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 172 transitions. [2021-08-31 01:57:41,361 INFO L704 BuchiCegarLoop]: Abstraction has 112 states and 172 transitions. [2021-08-31 01:57:41,362 INFO L587 BuchiCegarLoop]: Abstraction has 112 states and 172 transitions. [2021-08-31 01:57:41,362 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:57:41,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 172 transitions. [2021-08-31 01:57:41,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 104 [2021-08-31 01:57:41,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:57:41,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:57:41,365 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:57:41,365 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:41,365 INFO L791 eck$LassoCheckResult]: Stem: 386#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 336#L-1 havoc main_#res;havoc main_#t~ret54, main_~s~0, main_~tmp~1;havoc main_~s~0;havoc main_~tmp~1;main_~s~0 := 8464;ssl3_accept_#in~initial_state := main_~s~0;havoc ssl3_accept_#res;havoc ssl3_accept_#t~nondet7, ssl3_accept_#t~nondet8, ssl3_accept_#t~nondet9, ssl3_accept_#t~nondet10, ssl3_accept_#t~nondet11, ssl3_accept_#t~nondet12, ssl3_accept_#t~nondet13, ssl3_accept_#t~nondet14, ssl3_accept_#t~nondet15, ssl3_accept_#t~nondet16, ssl3_accept_#t~nondet17, ssl3_accept_#t~nondet18, ssl3_accept_#t~nondet19, ssl3_accept_#t~nondet20, ssl3_accept_#t~nondet21, ssl3_accept_#t~nondet22, ssl3_accept_#t~nondet23, ssl3_accept_#t~nondet24, ssl3_accept_#t~nondet25, ssl3_accept_#t~nondet26, ssl3_accept_#t~nondet27, ssl3_accept_#t~nondet28, ssl3_accept_#t~nondet29, ssl3_accept_#t~nondet30, ssl3_accept_#t~nondet31, ssl3_accept_#t~nondet32, ssl3_accept_#t~nondet33, ssl3_accept_#t~nondet34, ssl3_accept_#t~nondet35, ssl3_accept_#t~nondet36, ssl3_accept_#t~nondet37, ssl3_accept_#t~nondet38, ssl3_accept_#t~nondet39, ssl3_accept_#t~nondet40, ssl3_accept_#t~nondet41, ssl3_accept_#t~nondet42, ssl3_accept_#t~nondet43, ssl3_accept_#t~nondet44, ssl3_accept_#t~nondet45, ssl3_accept_#t~nondet46, ssl3_accept_#t~nondet47, ssl3_accept_#t~nondet48, ssl3_accept_#t~nondet49, ssl3_accept_#t~nondet50, ssl3_accept_#t~nondet51, ssl3_accept_#t~nondet52, ssl3_accept_#t~nondet53, ssl3_accept_~initial_state, ssl3_accept_~s__info_callback~0, ssl3_accept_~s__in_handshake~0, ssl3_accept_~s__state~0, ssl3_accept_~s__new_session~0, ssl3_accept_~s__server~0, ssl3_accept_~s__version~0, ssl3_accept_~s__type~0, ssl3_accept_~s__init_num~0, ssl3_accept_~s__hit~0, ssl3_accept_~s__rwstate~0, ssl3_accept_~s__init_buf___0~0, ssl3_accept_~s__debug~0, ssl3_accept_~s__shutdown~0, ssl3_accept_~s__cert~0, ssl3_accept_~s__options~0, ssl3_accept_~s__verify_mode~0, ssl3_accept_~s__session__peer~0, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0, ssl3_accept_~s__ctx__info_callback~0, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0, ssl3_accept_~s__ctx__stats__sess_accept~0, ssl3_accept_~s__ctx__stats__sess_accept_good~0, ssl3_accept_~s__s3__tmp__cert_request~0, ssl3_accept_~s__s3__tmp__reuse_message~0, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0, ssl3_accept_~s__s3__tmp__new_cipher~0, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0, ssl3_accept_~s__s3__tmp__next_state___0~0, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0, ssl3_accept_~s__session__cipher~0, ssl3_accept_~buf~0, ssl3_accept_~l~0, ssl3_accept_~Time~0, ssl3_accept_~tmp~0, ssl3_accept_~cb~0, ssl3_accept_~num1~0, ssl3_accept_~ret~0, ssl3_accept_~new_state~0, ssl3_accept_~state~0, ssl3_accept_~skip~0, ssl3_accept_~got_new_session~0, ssl3_accept_~tmp___1~0, ssl3_accept_~tmp___2~0, ssl3_accept_~tmp___3~0, ssl3_accept_~tmp___4~0, ssl3_accept_~tmp___5~0, ssl3_accept_~tmp___6~0, ssl3_accept_~tmp___7~0, ssl3_accept_~tmp___8~0, ssl3_accept_~tmp___9~0, ssl3_accept_~tmp___10~0, ssl3_accept_~blastFlag~0, ssl3_accept_~ag_X~0, ssl3_accept_~ag_Y~0, ssl3_accept_~__retres69~0;ssl3_accept_~initial_state := ssl3_accept_#in~initial_state;ssl3_accept_~s__info_callback~0 := ssl3_accept_#t~nondet7;havoc ssl3_accept_#t~nondet7;ssl3_accept_~s__in_handshake~0 := ssl3_accept_#t~nondet8;havoc ssl3_accept_#t~nondet8;havoc ssl3_accept_~s__state~0;havoc ssl3_accept_~s__new_session~0;havoc ssl3_accept_~s__server~0;ssl3_accept_~s__version~0 := ssl3_accept_#t~nondet9;havoc ssl3_accept_#t~nondet9;havoc ssl3_accept_~s__type~0;havoc ssl3_accept_~s__init_num~0;ssl3_accept_~s__hit~0 := ssl3_accept_#t~nondet10;havoc ssl3_accept_#t~nondet10;havoc ssl3_accept_~s__rwstate~0;havoc ssl3_accept_~s__init_buf___0~0;ssl3_accept_~s__debug~0 := ssl3_accept_#t~nondet11;havoc ssl3_accept_#t~nondet11;havoc ssl3_accept_~s__shutdown~0;ssl3_accept_~s__cert~0 := ssl3_accept_#t~nondet12;havoc ssl3_accept_#t~nondet12;ssl3_accept_~s__options~0 := ssl3_accept_#t~nondet13;havoc ssl3_accept_#t~nondet13;ssl3_accept_~s__verify_mode~0 := ssl3_accept_#t~nondet14;havoc ssl3_accept_#t~nondet14;ssl3_accept_~s__session__peer~0 := ssl3_accept_#t~nondet15;havoc ssl3_accept_#t~nondet15;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0 := ssl3_accept_#t~nondet16;havoc ssl3_accept_#t~nondet16;ssl3_accept_~s__ctx__info_callback~0 := ssl3_accept_#t~nondet17;havoc ssl3_accept_#t~nondet17;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0 := ssl3_accept_#t~nondet18;havoc ssl3_accept_#t~nondet18;ssl3_accept_~s__ctx__stats__sess_accept~0 := ssl3_accept_#t~nondet19;havoc ssl3_accept_#t~nondet19;ssl3_accept_~s__ctx__stats__sess_accept_good~0 := ssl3_accept_#t~nondet20;havoc ssl3_accept_#t~nondet20;havoc ssl3_accept_~s__s3__tmp__cert_request~0;ssl3_accept_~s__s3__tmp__reuse_message~0 := ssl3_accept_#t~nondet21;havoc ssl3_accept_#t~nondet21;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0;ssl3_accept_~s__s3__tmp__new_cipher~0 := ssl3_accept_#t~nondet22;havoc ssl3_accept_#t~nondet22;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 := ssl3_accept_#t~nondet23;havoc ssl3_accept_#t~nondet23;havoc ssl3_accept_~s__s3__tmp__next_state___0~0;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0 := ssl3_accept_#t~nondet24;havoc ssl3_accept_#t~nondet24;havoc ssl3_accept_~s__session__cipher~0;havoc ssl3_accept_~buf~0;havoc ssl3_accept_~l~0;havoc ssl3_accept_~Time~0;havoc ssl3_accept_~tmp~0;havoc ssl3_accept_~cb~0;ssl3_accept_~num1~0 := ssl3_accept_#t~nondet25;havoc ssl3_accept_#t~nondet25;havoc ssl3_accept_~ret~0;havoc ssl3_accept_~new_state~0;havoc ssl3_accept_~state~0;havoc ssl3_accept_~skip~0;havoc ssl3_accept_~got_new_session~0;ssl3_accept_~tmp___1~0 := ssl3_accept_#t~nondet26;havoc ssl3_accept_#t~nondet26;ssl3_accept_~tmp___2~0 := ssl3_accept_#t~nondet27;havoc ssl3_accept_#t~nondet27;ssl3_accept_~tmp___3~0 := ssl3_accept_#t~nondet28;havoc ssl3_accept_#t~nondet28;ssl3_accept_~tmp___4~0 := ssl3_accept_#t~nondet29;havoc ssl3_accept_#t~nondet29;ssl3_accept_~tmp___5~0 := ssl3_accept_#t~nondet30;havoc ssl3_accept_#t~nondet30;ssl3_accept_~tmp___6~0 := ssl3_accept_#t~nondet31;havoc ssl3_accept_#t~nondet31;havoc ssl3_accept_~tmp___7~0;ssl3_accept_~tmp___8~0 := ssl3_accept_#t~nondet32;havoc ssl3_accept_#t~nondet32;ssl3_accept_~tmp___9~0 := ssl3_accept_#t~nondet33;havoc ssl3_accept_#t~nondet33;ssl3_accept_~tmp___10~0 := ssl3_accept_#t~nondet34;havoc ssl3_accept_#t~nondet34;havoc ssl3_accept_~blastFlag~0;ssl3_accept_~ag_X~0 := ssl3_accept_#t~nondet35;havoc ssl3_accept_#t~nondet35;ssl3_accept_~ag_Y~0 := ssl3_accept_#t~nondet36;havoc ssl3_accept_#t~nondet36;havoc ssl3_accept_~__retres69~0;ssl3_accept_~s__state~0 := ssl3_accept_~initial_state;ssl3_accept_~blastFlag~0 := 0;ssl3_accept_~tmp~0 := ssl3_accept_#t~nondet37;havoc ssl3_accept_#t~nondet37;ssl3_accept_~Time~0 := ssl3_accept_~tmp~0;ssl3_accept_~cb~0 := 0;ssl3_accept_~ret~0 := -1;ssl3_accept_~skip~0 := 0;ssl3_accept_~got_new_session~0 := 0; 337#L77 assume 0 != ssl3_accept_~s__info_callback~0;ssl3_accept_~cb~0 := ssl3_accept_~s__info_callback~0; 289#L80-2 ssl3_accept_~s__in_handshake~0 := 1 + ssl3_accept_~s__in_handshake~0; 311#L87 assume !(0 != (12288 + ssl3_accept_~tmp___1~0) % 4294967296); 286#L87-1 assume !(0 == ssl3_accept_~s__cert~0); 287#L103-2 [2021-08-31 01:57:41,366 INFO L793 eck$LassoCheckResult]: Loop: 287#L103-2 assume !false; 309#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 310#L106 assume !(12292 == ssl3_accept_~s__state~0); 385#L109 assume !(16384 == ssl3_accept_~s__state~0); 349#L112 assume !(8192 == ssl3_accept_~s__state~0); 350#L115 assume !(24576 == ssl3_accept_~s__state~0); 358#L118 assume !(8195 == ssl3_accept_~s__state~0); 316#L121 assume 8480 == ssl3_accept_~s__state~0; 317#L125 ssl3_accept_~s__shutdown~0 := 0;ssl3_accept_~ret~0 := ssl3_accept_#t~nondet39;havoc ssl3_accept_#t~nondet39; 377#L278 assume !(ssl3_accept_~ret~0 <= 0);ssl3_accept_~s__s3__tmp__next_state___0~0 := 8482;ssl3_accept_~s__state~0 := 8448;ssl3_accept_~s__init_num~0 := 0; 291#L592 assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0); 300#L630 ssl3_accept_~skip~0 := 0; 287#L103-2 [2021-08-31 01:57:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:41,367 INFO L82 PathProgramCache]: Analyzing trace with hash 889513938, now seen corresponding path program 2 times [2021-08-31 01:57:41,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:41,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778523247] [2021-08-31 01:57:41,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:41,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:41,380 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:41,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:41,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:41,396 INFO L82 PathProgramCache]: Analyzing trace with hash -289497929, now seen corresponding path program 1 times [2021-08-31 01:57:41,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:41,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907763471] [2021-08-31 01:57:41,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:41,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:41,403 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:41,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:41,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1315351800, now seen corresponding path program 1 times [2021-08-31 01:57:41,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:41,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351689343] [2021-08-31 01:57:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:41,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:57:41,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:57:41,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351689343] [2021-08-31 01:57:41,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351689343] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:57:41,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:57:41,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 01:57:41,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036398256] [2021-08-31 01:57:41,560 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:57:41,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:57:41,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:57:41,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:57:41,563 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:57:41,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:41,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:57:41,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:57:41,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: s3_srvr_2a.BV.c.cil.c_Iteration2_Loop [2021-08-31 01:57:41,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:57:41,564 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:57:41,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,727 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:57:41,728 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:57:41,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:41,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:41,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:41,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 01:57:41,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:57:41,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:41,818 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:57:41,818 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0=8482} Honda state: {ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0=8482} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:57:41,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-31 01:57:41,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:41,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:41,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:41,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:57:41,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:41,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 01:57:41,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:41,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:41,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:41,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:41,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 01:57:41,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:57:41,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:41,905 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:57:41,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:41,923 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:57:41,923 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:57:41,923 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:57:41,924 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:57:41,924 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:57:41,924 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:41,924 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:57:41,924 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:57:41,924 INFO L133 ssoRankerPreferences]: Filename of dumped script: s3_srvr_2a.BV.c.cil.c_Iteration2_Loop [2021-08-31 01:57:41,924 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:57:41,924 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:57:41,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:41,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:42,039 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:57:42,043 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:57:42,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:42,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:42,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:42,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:42,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 01:57:42,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:42,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:42,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:42,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:42,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:42,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:42,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:42,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:57:42,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:42,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:42,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:42,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:42,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 01:57:42,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:42,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:42,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:42,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:42,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:42,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:42,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:42,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:42,128 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:57:42,135 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 01:57:42,135 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 01:57:42,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:42,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:42,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:42,143 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:57:42,143 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 01:57:42,143 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:57:42,144 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_ssl3_accept_~s__state~0) = 1*ULTIMATE.start_ssl3_accept_~s__state~0 Supporting invariants [] [2021-08-31 01:57:42,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 01:57:42,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:42,174 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 01:57:42,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:42,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:57:42,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:57:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:42,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:57:42,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:57:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:57:42,335 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 01:57:42,336 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 172 transitions. cyclomatic complexity: 61 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:42,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-31 01:57:42,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 172 transitions. cyclomatic complexity: 61. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 517 states and 788 transitions. Complement of second has 9 states. [2021-08-31 01:57:42,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-31 01:57:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 323 transitions. [2021-08-31 01:57:42,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 323 transitions. Stem has 6 letters. Loop has 12 letters. [2021-08-31 01:57:42,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:57:42,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 323 transitions. Stem has 18 letters. Loop has 12 letters. [2021-08-31 01:57:42,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:57:42,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 323 transitions. Stem has 6 letters. Loop has 24 letters. [2021-08-31 01:57:42,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:57:42,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 517 states and 788 transitions. [2021-08-31 01:57:42,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2021-08-31 01:57:42,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 517 states to 487 states and 743 transitions. [2021-08-31 01:57:42,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-08-31 01:57:42,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2021-08-31 01:57:42,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 487 states and 743 transitions. [2021-08-31 01:57:42,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:57:42,937 INFO L681 BuchiCegarLoop]: Abstraction has 487 states and 743 transitions. [2021-08-31 01:57:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states and 743 transitions. [2021-08-31 01:57:42,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 360. [2021-08-31 01:57:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 360 states have (on average 1.538888888888889) internal successors, (554), 359 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 554 transitions. [2021-08-31 01:57:42,969 INFO L704 BuchiCegarLoop]: Abstraction has 360 states and 554 transitions. [2021-08-31 01:57:42,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:57:42,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:57:42,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:57:42,970 INFO L87 Difference]: Start difference. First operand 360 states and 554 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:43,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:57:43,166 INFO L93 Difference]: Finished difference Result 377 states and 574 transitions. [2021-08-31 01:57:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:57:43,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 574 transitions. [2021-08-31 01:57:43,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 205 [2021-08-31 01:57:43,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 377 states and 574 transitions. [2021-08-31 01:57:43,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 246 [2021-08-31 01:57:43,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 246 [2021-08-31 01:57:43,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 377 states and 574 transitions. [2021-08-31 01:57:43,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:57:43,174 INFO L681 BuchiCegarLoop]: Abstraction has 377 states and 574 transitions. [2021-08-31 01:57:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states and 574 transitions. [2021-08-31 01:57:43,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 375. [2021-08-31 01:57:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 375 states have (on average 1.5253333333333334) internal successors, (572), 374 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 572 transitions. [2021-08-31 01:57:43,185 INFO L704 BuchiCegarLoop]: Abstraction has 375 states and 572 transitions. [2021-08-31 01:57:43,185 INFO L587 BuchiCegarLoop]: Abstraction has 375 states and 572 transitions. [2021-08-31 01:57:43,185 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:57:43,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 375 states and 572 transitions. [2021-08-31 01:57:43,187 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 203 [2021-08-31 01:57:43,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:57:43,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:57:43,189 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:43,189 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:43,189 INFO L791 eck$LassoCheckResult]: Stem: 1951#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1846#L-1 havoc main_#res;havoc main_#t~ret54, main_~s~0, main_~tmp~1;havoc main_~s~0;havoc main_~tmp~1;main_~s~0 := 8464;ssl3_accept_#in~initial_state := main_~s~0;havoc ssl3_accept_#res;havoc ssl3_accept_#t~nondet7, ssl3_accept_#t~nondet8, ssl3_accept_#t~nondet9, ssl3_accept_#t~nondet10, ssl3_accept_#t~nondet11, ssl3_accept_#t~nondet12, ssl3_accept_#t~nondet13, ssl3_accept_#t~nondet14, ssl3_accept_#t~nondet15, ssl3_accept_#t~nondet16, ssl3_accept_#t~nondet17, ssl3_accept_#t~nondet18, ssl3_accept_#t~nondet19, ssl3_accept_#t~nondet20, ssl3_accept_#t~nondet21, ssl3_accept_#t~nondet22, ssl3_accept_#t~nondet23, ssl3_accept_#t~nondet24, ssl3_accept_#t~nondet25, ssl3_accept_#t~nondet26, ssl3_accept_#t~nondet27, ssl3_accept_#t~nondet28, ssl3_accept_#t~nondet29, ssl3_accept_#t~nondet30, ssl3_accept_#t~nondet31, ssl3_accept_#t~nondet32, ssl3_accept_#t~nondet33, ssl3_accept_#t~nondet34, ssl3_accept_#t~nondet35, ssl3_accept_#t~nondet36, ssl3_accept_#t~nondet37, ssl3_accept_#t~nondet38, ssl3_accept_#t~nondet39, ssl3_accept_#t~nondet40, ssl3_accept_#t~nondet41, ssl3_accept_#t~nondet42, ssl3_accept_#t~nondet43, ssl3_accept_#t~nondet44, ssl3_accept_#t~nondet45, ssl3_accept_#t~nondet46, ssl3_accept_#t~nondet47, ssl3_accept_#t~nondet48, ssl3_accept_#t~nondet49, ssl3_accept_#t~nondet50, ssl3_accept_#t~nondet51, ssl3_accept_#t~nondet52, ssl3_accept_#t~nondet53, ssl3_accept_~initial_state, ssl3_accept_~s__info_callback~0, ssl3_accept_~s__in_handshake~0, ssl3_accept_~s__state~0, ssl3_accept_~s__new_session~0, ssl3_accept_~s__server~0, ssl3_accept_~s__version~0, ssl3_accept_~s__type~0, ssl3_accept_~s__init_num~0, ssl3_accept_~s__hit~0, ssl3_accept_~s__rwstate~0, ssl3_accept_~s__init_buf___0~0, ssl3_accept_~s__debug~0, ssl3_accept_~s__shutdown~0, ssl3_accept_~s__cert~0, ssl3_accept_~s__options~0, ssl3_accept_~s__verify_mode~0, ssl3_accept_~s__session__peer~0, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0, ssl3_accept_~s__ctx__info_callback~0, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0, ssl3_accept_~s__ctx__stats__sess_accept~0, ssl3_accept_~s__ctx__stats__sess_accept_good~0, ssl3_accept_~s__s3__tmp__cert_request~0, ssl3_accept_~s__s3__tmp__reuse_message~0, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0, ssl3_accept_~s__s3__tmp__new_cipher~0, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0, ssl3_accept_~s__s3__tmp__next_state___0~0, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0, ssl3_accept_~s__session__cipher~0, ssl3_accept_~buf~0, ssl3_accept_~l~0, ssl3_accept_~Time~0, ssl3_accept_~tmp~0, ssl3_accept_~cb~0, ssl3_accept_~num1~0, ssl3_accept_~ret~0, ssl3_accept_~new_state~0, ssl3_accept_~state~0, ssl3_accept_~skip~0, ssl3_accept_~got_new_session~0, ssl3_accept_~tmp___1~0, ssl3_accept_~tmp___2~0, ssl3_accept_~tmp___3~0, ssl3_accept_~tmp___4~0, ssl3_accept_~tmp___5~0, ssl3_accept_~tmp___6~0, ssl3_accept_~tmp___7~0, ssl3_accept_~tmp___8~0, ssl3_accept_~tmp___9~0, ssl3_accept_~tmp___10~0, ssl3_accept_~blastFlag~0, ssl3_accept_~ag_X~0, ssl3_accept_~ag_Y~0, ssl3_accept_~__retres69~0;ssl3_accept_~initial_state := ssl3_accept_#in~initial_state;ssl3_accept_~s__info_callback~0 := ssl3_accept_#t~nondet7;havoc ssl3_accept_#t~nondet7;ssl3_accept_~s__in_handshake~0 := ssl3_accept_#t~nondet8;havoc ssl3_accept_#t~nondet8;havoc ssl3_accept_~s__state~0;havoc ssl3_accept_~s__new_session~0;havoc ssl3_accept_~s__server~0;ssl3_accept_~s__version~0 := ssl3_accept_#t~nondet9;havoc ssl3_accept_#t~nondet9;havoc ssl3_accept_~s__type~0;havoc ssl3_accept_~s__init_num~0;ssl3_accept_~s__hit~0 := ssl3_accept_#t~nondet10;havoc ssl3_accept_#t~nondet10;havoc ssl3_accept_~s__rwstate~0;havoc ssl3_accept_~s__init_buf___0~0;ssl3_accept_~s__debug~0 := ssl3_accept_#t~nondet11;havoc ssl3_accept_#t~nondet11;havoc ssl3_accept_~s__shutdown~0;ssl3_accept_~s__cert~0 := ssl3_accept_#t~nondet12;havoc ssl3_accept_#t~nondet12;ssl3_accept_~s__options~0 := ssl3_accept_#t~nondet13;havoc ssl3_accept_#t~nondet13;ssl3_accept_~s__verify_mode~0 := ssl3_accept_#t~nondet14;havoc ssl3_accept_#t~nondet14;ssl3_accept_~s__session__peer~0 := ssl3_accept_#t~nondet15;havoc ssl3_accept_#t~nondet15;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0 := ssl3_accept_#t~nondet16;havoc ssl3_accept_#t~nondet16;ssl3_accept_~s__ctx__info_callback~0 := ssl3_accept_#t~nondet17;havoc ssl3_accept_#t~nondet17;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0 := ssl3_accept_#t~nondet18;havoc ssl3_accept_#t~nondet18;ssl3_accept_~s__ctx__stats__sess_accept~0 := ssl3_accept_#t~nondet19;havoc ssl3_accept_#t~nondet19;ssl3_accept_~s__ctx__stats__sess_accept_good~0 := ssl3_accept_#t~nondet20;havoc ssl3_accept_#t~nondet20;havoc ssl3_accept_~s__s3__tmp__cert_request~0;ssl3_accept_~s__s3__tmp__reuse_message~0 := ssl3_accept_#t~nondet21;havoc ssl3_accept_#t~nondet21;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0;ssl3_accept_~s__s3__tmp__new_cipher~0 := ssl3_accept_#t~nondet22;havoc ssl3_accept_#t~nondet22;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 := ssl3_accept_#t~nondet23;havoc ssl3_accept_#t~nondet23;havoc ssl3_accept_~s__s3__tmp__next_state___0~0;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0 := ssl3_accept_#t~nondet24;havoc ssl3_accept_#t~nondet24;havoc ssl3_accept_~s__session__cipher~0;havoc ssl3_accept_~buf~0;havoc ssl3_accept_~l~0;havoc ssl3_accept_~Time~0;havoc ssl3_accept_~tmp~0;havoc ssl3_accept_~cb~0;ssl3_accept_~num1~0 := ssl3_accept_#t~nondet25;havoc ssl3_accept_#t~nondet25;havoc ssl3_accept_~ret~0;havoc ssl3_accept_~new_state~0;havoc ssl3_accept_~state~0;havoc ssl3_accept_~skip~0;havoc ssl3_accept_~got_new_session~0;ssl3_accept_~tmp___1~0 := ssl3_accept_#t~nondet26;havoc ssl3_accept_#t~nondet26;ssl3_accept_~tmp___2~0 := ssl3_accept_#t~nondet27;havoc ssl3_accept_#t~nondet27;ssl3_accept_~tmp___3~0 := ssl3_accept_#t~nondet28;havoc ssl3_accept_#t~nondet28;ssl3_accept_~tmp___4~0 := ssl3_accept_#t~nondet29;havoc ssl3_accept_#t~nondet29;ssl3_accept_~tmp___5~0 := ssl3_accept_#t~nondet30;havoc ssl3_accept_#t~nondet30;ssl3_accept_~tmp___6~0 := ssl3_accept_#t~nondet31;havoc ssl3_accept_#t~nondet31;havoc ssl3_accept_~tmp___7~0;ssl3_accept_~tmp___8~0 := ssl3_accept_#t~nondet32;havoc ssl3_accept_#t~nondet32;ssl3_accept_~tmp___9~0 := ssl3_accept_#t~nondet33;havoc ssl3_accept_#t~nondet33;ssl3_accept_~tmp___10~0 := ssl3_accept_#t~nondet34;havoc ssl3_accept_#t~nondet34;havoc ssl3_accept_~blastFlag~0;ssl3_accept_~ag_X~0 := ssl3_accept_#t~nondet35;havoc ssl3_accept_#t~nondet35;ssl3_accept_~ag_Y~0 := ssl3_accept_#t~nondet36;havoc ssl3_accept_#t~nondet36;havoc ssl3_accept_~__retres69~0;ssl3_accept_~s__state~0 := ssl3_accept_~initial_state;ssl3_accept_~blastFlag~0 := 0;ssl3_accept_~tmp~0 := ssl3_accept_#t~nondet37;havoc ssl3_accept_#t~nondet37;ssl3_accept_~Time~0 := ssl3_accept_~tmp~0;ssl3_accept_~cb~0 := 0;ssl3_accept_~ret~0 := -1;ssl3_accept_~skip~0 := 0;ssl3_accept_~got_new_session~0 := 0; 1847#L77 assume 0 != ssl3_accept_~s__info_callback~0;ssl3_accept_~cb~0 := ssl3_accept_~s__info_callback~0; 1747#L80-2 ssl3_accept_~s__in_handshake~0 := 1 + ssl3_accept_~s__in_handshake~0; 1790#L87 assume !(0 != (12288 + ssl3_accept_~tmp___1~0) % 4294967296); 1744#L87-1 assume !(0 == ssl3_accept_~s__cert~0); 1745#L103-2 assume !false; 2014#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 2012#L106 assume !(12292 == ssl3_accept_~s__state~0); 2010#L109 assume !(16384 == ssl3_accept_~s__state~0); 2008#L112 assume !(8192 == ssl3_accept_~s__state~0); 2006#L115 assume !(24576 == ssl3_accept_~s__state~0); 2004#L118 assume !(8195 == ssl3_accept_~s__state~0); 2002#L121 assume !(8480 == ssl3_accept_~s__state~0); 2000#L124 assume !(8481 == ssl3_accept_~s__state~0); 1998#L127 assume !(8482 == ssl3_accept_~s__state~0); 1990#L130 assume 8464 == ssl3_accept_~s__state~0; 1899#L137 [2021-08-31 01:57:43,189 INFO L793 eck$LassoCheckResult]: Loop: 1899#L137 ssl3_accept_~s__shutdown~0 := 0;ssl3_accept_~ret~0 := ssl3_accept_#t~nondet40;havoc ssl3_accept_#t~nondet40; 1736#L295 assume 0 == ssl3_accept_~blastFlag~0;ssl3_accept_~blastFlag~0 := 1; 1737#L295-2 assume !(ssl3_accept_~ret~0 <= 0);ssl3_accept_~got_new_session~0 := 1;ssl3_accept_~s__state~0 := (if 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 <= 2147483647 then 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 else 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 - 4294967296);ssl3_accept_~s__init_num~0 := 0; 1826#L592 assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0); 1915#L630 ssl3_accept_~skip~0 := 0; 1916#L103-2 assume !false; 1786#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 1787#L106 assume !(12292 == ssl3_accept_~s__state~0); 2052#L109 assume !(16384 == ssl3_accept_~s__state~0); 2051#L112 assume !(8192 == ssl3_accept_~s__state~0); 2050#L115 assume !(24576 == ssl3_accept_~s__state~0); 2048#L118 assume !(8195 == ssl3_accept_~s__state~0); 2049#L121 assume !(8480 == ssl3_accept_~s__state~0); 1988#L124 assume !(8481 == ssl3_accept_~s__state~0); 1987#L127 assume !(8482 == ssl3_accept_~s__state~0); 1985#L130 assume 8464 == ssl3_accept_~s__state~0; 1899#L137 [2021-08-31 01:57:43,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:43,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1150938771, now seen corresponding path program 1 times [2021-08-31 01:57:43,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:43,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530523852] [2021-08-31 01:57:43,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:43,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:43,208 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:43,235 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:43,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:43,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1865326434, now seen corresponding path program 1 times [2021-08-31 01:57:43,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:43,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255364970] [2021-08-31 01:57:43,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:43,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:43,260 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:43,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:43,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:43,278 INFO L82 PathProgramCache]: Analyzing trace with hash -302229298, now seen corresponding path program 1 times [2021-08-31 01:57:43,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:43,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485673186] [2021-08-31 01:57:43,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:43,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:43,293 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:43,313 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:43,443 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:57:43,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:57:43,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:57:43,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:57:43,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:57:43,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:57:43,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:57:43,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: s3_srvr_2a.BV.c.cil.c_Iteration3_Loop [2021-08-31 01:57:43,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:57:43,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:57:43,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:57:43,605 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:57:43,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,606 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 01:57:43,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:57:43,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:43,621 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:57:43,622 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_ssl3_accept_~got_new_session~0=1} Honda state: {ULTIMATE.start_ssl3_accept_~got_new_session~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:57:43,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-31 01:57:43,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 01:57:43,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:57:43,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:43,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:57:43,647 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_ssl3_accept_~skip~0=0} Honda state: {ULTIMATE.start_ssl3_accept_~skip~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:57:43,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:43,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 01:57:43,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:57:43,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:43,681 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:57:43,681 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_ssl3_accept_~s__init_num~0=0} Honda state: {ULTIMATE.start_ssl3_accept_~s__init_num~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:57:43,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-31 01:57:43,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,698 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 01:57:43,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:57:43,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:43,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:43,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,727 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 01:57:43,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:57:43,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:57:43,739 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:57:43,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 01:57:43,754 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:57:43,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:57:43,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:57:43,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:57:43,755 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:57:43,755 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,755 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:57:43,755 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:57:43,755 INFO L133 ssoRankerPreferences]: Filename of dumped script: s3_srvr_2a.BV.c.cil.c_Iteration3_Loop [2021-08-31 01:57:43,755 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:57:43,755 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:57:43,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:57:43,886 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:57:43,887 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:57:43,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,888 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 01:57:43,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:43,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:43,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:43,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:43,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:43,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:43,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:43,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:43,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:57:43,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:43,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,943 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 01:57:43,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:43,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:43,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:43,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:43,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:43,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:43,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:43,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:43,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:57:43,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:43,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:43,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:43,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 01:57:43,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:43,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:43,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:43,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:43,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:43,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:43,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:43,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:43,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:57:44,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-08-31 01:57:44,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:44,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:44,004 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:44,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 01:57:44,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:44,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:44,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:44,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:44,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:44,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:44,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:44,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:44,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:57:44,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-31 01:57:44,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:44,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:44,030 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:44,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 01:57:44,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:57:44,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:57:44,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:57:44,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:57:44,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:57:44,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:57:44,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:57:44,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:57:44,040 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:57:44,047 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 01:57:44,047 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 01:57:44,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:57:44,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:57:44,048 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:57:44,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 01:57:44,052 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:57:44,052 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 01:57:44,052 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:57:44,052 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_ssl3_accept_~blastFlag~0) = -2*ULTIMATE.start_ssl3_accept_~blastFlag~0 + 1 Supporting invariants [] [2021-08-31 01:57:44,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:44,068 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 01:57:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:44,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:57:44,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:57:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:44,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:57:44,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:57:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:57:44,273 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 01:57:44,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 375 states and 572 transitions. cyclomatic complexity: 200 Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:44,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:57:44,669 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 375 states and 572 transitions. cyclomatic complexity: 200. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 617 states and 938 transitions. Complement of second has 4 states. [2021-08-31 01:57:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:57:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2021-08-31 01:57:44,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 334 transitions. Stem has 17 letters. Loop has 16 letters. [2021-08-31 01:57:44,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:57:44,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 334 transitions. Stem has 33 letters. Loop has 16 letters. [2021-08-31 01:57:44,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:57:44,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 334 transitions. Stem has 17 letters. Loop has 32 letters. [2021-08-31 01:57:44,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:57:44,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 617 states and 938 transitions. [2021-08-31 01:57:44,677 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 322 [2021-08-31 01:57:44,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 617 states to 617 states and 938 transitions. [2021-08-31 01:57:44,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 364 [2021-08-31 01:57:44,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 366 [2021-08-31 01:57:44,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 617 states and 938 transitions. [2021-08-31 01:57:44,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:57:44,682 INFO L681 BuchiCegarLoop]: Abstraction has 617 states and 938 transitions. [2021-08-31 01:57:44,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states and 938 transitions. [2021-08-31 01:57:44,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 615. [2021-08-31 01:57:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 615 states have (on average 1.5203252032520325) internal successors, (935), 614 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 935 transitions. [2021-08-31 01:57:44,694 INFO L704 BuchiCegarLoop]: Abstraction has 615 states and 935 transitions. [2021-08-31 01:57:44,694 INFO L587 BuchiCegarLoop]: Abstraction has 615 states and 935 transitions. [2021-08-31 01:57:44,694 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:57:44,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 615 states and 935 transitions. [2021-08-31 01:57:44,697 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 322 [2021-08-31 01:57:44,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:57:44,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:57:44,698 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:44,698 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:44,699 INFO L791 eck$LassoCheckResult]: Stem: 3088#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2955#L-1 havoc main_#res;havoc main_#t~ret54, main_~s~0, main_~tmp~1;havoc main_~s~0;havoc main_~tmp~1;main_~s~0 := 8464;ssl3_accept_#in~initial_state := main_~s~0;havoc ssl3_accept_#res;havoc ssl3_accept_#t~nondet7, ssl3_accept_#t~nondet8, ssl3_accept_#t~nondet9, ssl3_accept_#t~nondet10, ssl3_accept_#t~nondet11, ssl3_accept_#t~nondet12, ssl3_accept_#t~nondet13, ssl3_accept_#t~nondet14, ssl3_accept_#t~nondet15, ssl3_accept_#t~nondet16, ssl3_accept_#t~nondet17, ssl3_accept_#t~nondet18, ssl3_accept_#t~nondet19, ssl3_accept_#t~nondet20, ssl3_accept_#t~nondet21, ssl3_accept_#t~nondet22, ssl3_accept_#t~nondet23, ssl3_accept_#t~nondet24, ssl3_accept_#t~nondet25, ssl3_accept_#t~nondet26, ssl3_accept_#t~nondet27, ssl3_accept_#t~nondet28, ssl3_accept_#t~nondet29, ssl3_accept_#t~nondet30, ssl3_accept_#t~nondet31, ssl3_accept_#t~nondet32, ssl3_accept_#t~nondet33, ssl3_accept_#t~nondet34, ssl3_accept_#t~nondet35, ssl3_accept_#t~nondet36, ssl3_accept_#t~nondet37, ssl3_accept_#t~nondet38, ssl3_accept_#t~nondet39, ssl3_accept_#t~nondet40, ssl3_accept_#t~nondet41, ssl3_accept_#t~nondet42, ssl3_accept_#t~nondet43, ssl3_accept_#t~nondet44, ssl3_accept_#t~nondet45, ssl3_accept_#t~nondet46, ssl3_accept_#t~nondet47, ssl3_accept_#t~nondet48, ssl3_accept_#t~nondet49, ssl3_accept_#t~nondet50, ssl3_accept_#t~nondet51, ssl3_accept_#t~nondet52, ssl3_accept_#t~nondet53, ssl3_accept_~initial_state, ssl3_accept_~s__info_callback~0, ssl3_accept_~s__in_handshake~0, ssl3_accept_~s__state~0, ssl3_accept_~s__new_session~0, ssl3_accept_~s__server~0, ssl3_accept_~s__version~0, ssl3_accept_~s__type~0, ssl3_accept_~s__init_num~0, ssl3_accept_~s__hit~0, ssl3_accept_~s__rwstate~0, ssl3_accept_~s__init_buf___0~0, ssl3_accept_~s__debug~0, ssl3_accept_~s__shutdown~0, ssl3_accept_~s__cert~0, ssl3_accept_~s__options~0, ssl3_accept_~s__verify_mode~0, ssl3_accept_~s__session__peer~0, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0, ssl3_accept_~s__ctx__info_callback~0, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0, ssl3_accept_~s__ctx__stats__sess_accept~0, ssl3_accept_~s__ctx__stats__sess_accept_good~0, ssl3_accept_~s__s3__tmp__cert_request~0, ssl3_accept_~s__s3__tmp__reuse_message~0, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0, ssl3_accept_~s__s3__tmp__new_cipher~0, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0, ssl3_accept_~s__s3__tmp__next_state___0~0, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0, ssl3_accept_~s__session__cipher~0, ssl3_accept_~buf~0, ssl3_accept_~l~0, ssl3_accept_~Time~0, ssl3_accept_~tmp~0, ssl3_accept_~cb~0, ssl3_accept_~num1~0, ssl3_accept_~ret~0, ssl3_accept_~new_state~0, ssl3_accept_~state~0, ssl3_accept_~skip~0, ssl3_accept_~got_new_session~0, ssl3_accept_~tmp___1~0, ssl3_accept_~tmp___2~0, ssl3_accept_~tmp___3~0, ssl3_accept_~tmp___4~0, ssl3_accept_~tmp___5~0, ssl3_accept_~tmp___6~0, ssl3_accept_~tmp___7~0, ssl3_accept_~tmp___8~0, ssl3_accept_~tmp___9~0, ssl3_accept_~tmp___10~0, ssl3_accept_~blastFlag~0, ssl3_accept_~ag_X~0, ssl3_accept_~ag_Y~0, ssl3_accept_~__retres69~0;ssl3_accept_~initial_state := ssl3_accept_#in~initial_state;ssl3_accept_~s__info_callback~0 := ssl3_accept_#t~nondet7;havoc ssl3_accept_#t~nondet7;ssl3_accept_~s__in_handshake~0 := ssl3_accept_#t~nondet8;havoc ssl3_accept_#t~nondet8;havoc ssl3_accept_~s__state~0;havoc ssl3_accept_~s__new_session~0;havoc ssl3_accept_~s__server~0;ssl3_accept_~s__version~0 := ssl3_accept_#t~nondet9;havoc ssl3_accept_#t~nondet9;havoc ssl3_accept_~s__type~0;havoc ssl3_accept_~s__init_num~0;ssl3_accept_~s__hit~0 := ssl3_accept_#t~nondet10;havoc ssl3_accept_#t~nondet10;havoc ssl3_accept_~s__rwstate~0;havoc ssl3_accept_~s__init_buf___0~0;ssl3_accept_~s__debug~0 := ssl3_accept_#t~nondet11;havoc ssl3_accept_#t~nondet11;havoc ssl3_accept_~s__shutdown~0;ssl3_accept_~s__cert~0 := ssl3_accept_#t~nondet12;havoc ssl3_accept_#t~nondet12;ssl3_accept_~s__options~0 := ssl3_accept_#t~nondet13;havoc ssl3_accept_#t~nondet13;ssl3_accept_~s__verify_mode~0 := ssl3_accept_#t~nondet14;havoc ssl3_accept_#t~nondet14;ssl3_accept_~s__session__peer~0 := ssl3_accept_#t~nondet15;havoc ssl3_accept_#t~nondet15;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0 := ssl3_accept_#t~nondet16;havoc ssl3_accept_#t~nondet16;ssl3_accept_~s__ctx__info_callback~0 := ssl3_accept_#t~nondet17;havoc ssl3_accept_#t~nondet17;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0 := ssl3_accept_#t~nondet18;havoc ssl3_accept_#t~nondet18;ssl3_accept_~s__ctx__stats__sess_accept~0 := ssl3_accept_#t~nondet19;havoc ssl3_accept_#t~nondet19;ssl3_accept_~s__ctx__stats__sess_accept_good~0 := ssl3_accept_#t~nondet20;havoc ssl3_accept_#t~nondet20;havoc ssl3_accept_~s__s3__tmp__cert_request~0;ssl3_accept_~s__s3__tmp__reuse_message~0 := ssl3_accept_#t~nondet21;havoc ssl3_accept_#t~nondet21;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0;ssl3_accept_~s__s3__tmp__new_cipher~0 := ssl3_accept_#t~nondet22;havoc ssl3_accept_#t~nondet22;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 := ssl3_accept_#t~nondet23;havoc ssl3_accept_#t~nondet23;havoc ssl3_accept_~s__s3__tmp__next_state___0~0;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0 := ssl3_accept_#t~nondet24;havoc ssl3_accept_#t~nondet24;havoc ssl3_accept_~s__session__cipher~0;havoc ssl3_accept_~buf~0;havoc ssl3_accept_~l~0;havoc ssl3_accept_~Time~0;havoc ssl3_accept_~tmp~0;havoc ssl3_accept_~cb~0;ssl3_accept_~num1~0 := ssl3_accept_#t~nondet25;havoc ssl3_accept_#t~nondet25;havoc ssl3_accept_~ret~0;havoc ssl3_accept_~new_state~0;havoc ssl3_accept_~state~0;havoc ssl3_accept_~skip~0;havoc ssl3_accept_~got_new_session~0;ssl3_accept_~tmp___1~0 := ssl3_accept_#t~nondet26;havoc ssl3_accept_#t~nondet26;ssl3_accept_~tmp___2~0 := ssl3_accept_#t~nondet27;havoc ssl3_accept_#t~nondet27;ssl3_accept_~tmp___3~0 := ssl3_accept_#t~nondet28;havoc ssl3_accept_#t~nondet28;ssl3_accept_~tmp___4~0 := ssl3_accept_#t~nondet29;havoc ssl3_accept_#t~nondet29;ssl3_accept_~tmp___5~0 := ssl3_accept_#t~nondet30;havoc ssl3_accept_#t~nondet30;ssl3_accept_~tmp___6~0 := ssl3_accept_#t~nondet31;havoc ssl3_accept_#t~nondet31;havoc ssl3_accept_~tmp___7~0;ssl3_accept_~tmp___8~0 := ssl3_accept_#t~nondet32;havoc ssl3_accept_#t~nondet32;ssl3_accept_~tmp___9~0 := ssl3_accept_#t~nondet33;havoc ssl3_accept_#t~nondet33;ssl3_accept_~tmp___10~0 := ssl3_accept_#t~nondet34;havoc ssl3_accept_#t~nondet34;havoc ssl3_accept_~blastFlag~0;ssl3_accept_~ag_X~0 := ssl3_accept_#t~nondet35;havoc ssl3_accept_#t~nondet35;ssl3_accept_~ag_Y~0 := ssl3_accept_#t~nondet36;havoc ssl3_accept_#t~nondet36;havoc ssl3_accept_~__retres69~0;ssl3_accept_~s__state~0 := ssl3_accept_~initial_state;ssl3_accept_~blastFlag~0 := 0;ssl3_accept_~tmp~0 := ssl3_accept_#t~nondet37;havoc ssl3_accept_#t~nondet37;ssl3_accept_~Time~0 := ssl3_accept_~tmp~0;ssl3_accept_~cb~0 := 0;ssl3_accept_~ret~0 := -1;ssl3_accept_~skip~0 := 0;ssl3_accept_~got_new_session~0 := 0; 2956#L77 assume 0 != ssl3_accept_~s__info_callback~0;ssl3_accept_~cb~0 := ssl3_accept_~s__info_callback~0; 2861#L80-2 ssl3_accept_~s__in_handshake~0 := 1 + ssl3_accept_~s__in_handshake~0; 2904#L87 assume !(0 != (12288 + ssl3_accept_~tmp___1~0) % 4294967296); 2858#L87-1 assume !(0 == ssl3_accept_~s__cert~0); 2859#L103-2 assume !false; 3341#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 3084#L106 assume !(12292 == ssl3_accept_~s__state~0); 3085#L109 assume !(16384 == ssl3_accept_~s__state~0); 3334#L112 assume !(8192 == ssl3_accept_~s__state~0); 3335#L115 assume !(24576 == ssl3_accept_~s__state~0); 3318#L118 assume !(8195 == ssl3_accept_~s__state~0); 3319#L121 assume !(8480 == ssl3_accept_~s__state~0); 3366#L124 assume !(8481 == ssl3_accept_~s__state~0); 3089#L127 assume !(8482 == ssl3_accept_~s__state~0); 3090#L130 assume 8464 == ssl3_accept_~s__state~0; 3095#L137 ssl3_accept_~s__shutdown~0 := 0;ssl3_accept_~ret~0 := ssl3_accept_#t~nondet40;havoc ssl3_accept_#t~nondet40; 3096#L295 [2021-08-31 01:57:44,699 INFO L793 eck$LassoCheckResult]: Loop: 3096#L295 assume !(0 == ssl3_accept_~blastFlag~0); 3315#L295-2 assume !(ssl3_accept_~ret~0 <= 0);ssl3_accept_~got_new_session~0 := 1;ssl3_accept_~s__state~0 := (if 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 <= 2147483647 then 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 else 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 - 4294967296);ssl3_accept_~s__init_num~0 := 0; 3246#L592 assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0); 3242#L630 ssl3_accept_~skip~0 := 0; 3240#L103-2 assume !false; 3238#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 3236#L106 assume !(12292 == ssl3_accept_~s__state~0); 3234#L109 assume !(16384 == ssl3_accept_~s__state~0); 3232#L112 assume !(8192 == ssl3_accept_~s__state~0); 3230#L115 assume !(24576 == ssl3_accept_~s__state~0); 3228#L118 assume !(8195 == ssl3_accept_~s__state~0); 3223#L121 assume !(8480 == ssl3_accept_~s__state~0); 3225#L124 assume !(8481 == ssl3_accept_~s__state~0); 3226#L127 assume !(8482 == ssl3_accept_~s__state~0); 3217#L130 assume 8464 == ssl3_accept_~s__state~0; 3213#L137 ssl3_accept_~s__shutdown~0 := 0;ssl3_accept_~ret~0 := ssl3_accept_#t~nondet40;havoc ssl3_accept_#t~nondet40; 3096#L295 [2021-08-31 01:57:44,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:44,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1319363257, now seen corresponding path program 1 times [2021-08-31 01:57:44,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:44,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835623397] [2021-08-31 01:57:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:44,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:44,711 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:44,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:44,726 INFO L82 PathProgramCache]: Analyzing trace with hash -826430338, now seen corresponding path program 1 times [2021-08-31 01:57:44,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:44,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775342513] [2021-08-31 01:57:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:44,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:44,733 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:44,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:44,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:44,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1800241724, now seen corresponding path program 1 times [2021-08-31 01:57:44,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:44,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316144328] [2021-08-31 01:57:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:44,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:57:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:57:44,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:57:44,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316144328] [2021-08-31 01:57:44,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316144328] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:57:44,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:57:44,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 01:57:44,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596932986] [2021-08-31 01:57:44,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:57:44,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:57:44,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:57:44,881 INFO L87 Difference]: Start difference. First operand 615 states and 935 transitions. cyclomatic complexity: 325 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:57:45,156 INFO L93 Difference]: Finished difference Result 736 states and 1107 transitions. [2021-08-31 01:57:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:57:45,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 736 states and 1107 transitions. [2021-08-31 01:57:45,161 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 438 [2021-08-31 01:57:45,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 736 states to 735 states and 1106 transitions. [2021-08-31 01:57:45,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 483 [2021-08-31 01:57:45,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 483 [2021-08-31 01:57:45,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 735 states and 1106 transitions. [2021-08-31 01:57:45,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:57:45,167 INFO L681 BuchiCegarLoop]: Abstraction has 735 states and 1106 transitions. [2021-08-31 01:57:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states and 1106 transitions. [2021-08-31 01:57:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2021-08-31 01:57:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 735 states have (on average 1.5047619047619047) internal successors, (1106), 734 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:57:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1106 transitions. [2021-08-31 01:57:45,180 INFO L704 BuchiCegarLoop]: Abstraction has 735 states and 1106 transitions. [2021-08-31 01:57:45,180 INFO L587 BuchiCegarLoop]: Abstraction has 735 states and 1106 transitions. [2021-08-31 01:57:45,180 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:57:45,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 735 states and 1106 transitions. [2021-08-31 01:57:45,183 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 438 [2021-08-31 01:57:45,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:57:45,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:57:45,189 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:45,189 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:57:45,189 INFO L791 eck$LassoCheckResult]: Stem: 4471#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 4324#L-1 havoc main_#res;havoc main_#t~ret54, main_~s~0, main_~tmp~1;havoc main_~s~0;havoc main_~tmp~1;main_~s~0 := 8464;ssl3_accept_#in~initial_state := main_~s~0;havoc ssl3_accept_#res;havoc ssl3_accept_#t~nondet7, ssl3_accept_#t~nondet8, ssl3_accept_#t~nondet9, ssl3_accept_#t~nondet10, ssl3_accept_#t~nondet11, ssl3_accept_#t~nondet12, ssl3_accept_#t~nondet13, ssl3_accept_#t~nondet14, ssl3_accept_#t~nondet15, ssl3_accept_#t~nondet16, ssl3_accept_#t~nondet17, ssl3_accept_#t~nondet18, ssl3_accept_#t~nondet19, ssl3_accept_#t~nondet20, ssl3_accept_#t~nondet21, ssl3_accept_#t~nondet22, ssl3_accept_#t~nondet23, ssl3_accept_#t~nondet24, ssl3_accept_#t~nondet25, ssl3_accept_#t~nondet26, ssl3_accept_#t~nondet27, ssl3_accept_#t~nondet28, ssl3_accept_#t~nondet29, ssl3_accept_#t~nondet30, ssl3_accept_#t~nondet31, ssl3_accept_#t~nondet32, ssl3_accept_#t~nondet33, ssl3_accept_#t~nondet34, ssl3_accept_#t~nondet35, ssl3_accept_#t~nondet36, ssl3_accept_#t~nondet37, ssl3_accept_#t~nondet38, ssl3_accept_#t~nondet39, ssl3_accept_#t~nondet40, ssl3_accept_#t~nondet41, ssl3_accept_#t~nondet42, ssl3_accept_#t~nondet43, ssl3_accept_#t~nondet44, ssl3_accept_#t~nondet45, ssl3_accept_#t~nondet46, ssl3_accept_#t~nondet47, ssl3_accept_#t~nondet48, ssl3_accept_#t~nondet49, ssl3_accept_#t~nondet50, ssl3_accept_#t~nondet51, ssl3_accept_#t~nondet52, ssl3_accept_#t~nondet53, ssl3_accept_~initial_state, ssl3_accept_~s__info_callback~0, ssl3_accept_~s__in_handshake~0, ssl3_accept_~s__state~0, ssl3_accept_~s__new_session~0, ssl3_accept_~s__server~0, ssl3_accept_~s__version~0, ssl3_accept_~s__type~0, ssl3_accept_~s__init_num~0, ssl3_accept_~s__hit~0, ssl3_accept_~s__rwstate~0, ssl3_accept_~s__init_buf___0~0, ssl3_accept_~s__debug~0, ssl3_accept_~s__shutdown~0, ssl3_accept_~s__cert~0, ssl3_accept_~s__options~0, ssl3_accept_~s__verify_mode~0, ssl3_accept_~s__session__peer~0, ssl3_accept_~s__cert__pkeys__AT0__privatekey~0, ssl3_accept_~s__ctx__info_callback~0, ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0, ssl3_accept_~s__ctx__stats__sess_accept~0, ssl3_accept_~s__ctx__stats__sess_accept_good~0, ssl3_accept_~s__s3__tmp__cert_request~0, ssl3_accept_~s__s3__tmp__reuse_message~0, ssl3_accept_~s__s3__tmp__use_rsa_tmp~0, ssl3_accept_~s__s3__tmp__new_cipher~0, ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0, ssl3_accept_~s__s3__tmp__next_state___0~0, ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0, ssl3_accept_~s__session__cipher~0, ssl3_accept_~buf~0, ssl3_accept_~l~0, ssl3_accept_~Time~0, ssl3_accept_~tmp~0, ssl3_accept_~cb~0, ssl3_accept_~num1~0, ssl3_accept_~ret~0, ssl3_accept_~new_state~0, ssl3_accept_~state~0, ssl3_accept_~skip~0, ssl3_accept_~got_new_session~0, ssl3_accept_~tmp___1~0, ssl3_accept_~tmp___2~0, ssl3_accept_~tmp___3~0, ssl3_accept_~tmp___4~0, ssl3_accept_~tmp___5~0, ssl3_accept_~tmp___6~0, ssl3_accept_~tmp___7~0, ssl3_accept_~tmp___8~0, ssl3_accept_~tmp___9~0, ssl3_accept_~tmp___10~0, ssl3_accept_~blastFlag~0, ssl3_accept_~ag_X~0, ssl3_accept_~ag_Y~0, ssl3_accept_~__retres69~0;ssl3_accept_~initial_state := ssl3_accept_#in~initial_state;ssl3_accept_~s__info_callback~0 := ssl3_accept_#t~nondet7;havoc ssl3_accept_#t~nondet7;ssl3_accept_~s__in_handshake~0 := ssl3_accept_#t~nondet8;havoc ssl3_accept_#t~nondet8;havoc ssl3_accept_~s__state~0;havoc ssl3_accept_~s__new_session~0;havoc ssl3_accept_~s__server~0;ssl3_accept_~s__version~0 := ssl3_accept_#t~nondet9;havoc ssl3_accept_#t~nondet9;havoc ssl3_accept_~s__type~0;havoc ssl3_accept_~s__init_num~0;ssl3_accept_~s__hit~0 := ssl3_accept_#t~nondet10;havoc ssl3_accept_#t~nondet10;havoc ssl3_accept_~s__rwstate~0;havoc ssl3_accept_~s__init_buf___0~0;ssl3_accept_~s__debug~0 := ssl3_accept_#t~nondet11;havoc ssl3_accept_#t~nondet11;havoc ssl3_accept_~s__shutdown~0;ssl3_accept_~s__cert~0 := ssl3_accept_#t~nondet12;havoc ssl3_accept_#t~nondet12;ssl3_accept_~s__options~0 := ssl3_accept_#t~nondet13;havoc ssl3_accept_#t~nondet13;ssl3_accept_~s__verify_mode~0 := ssl3_accept_#t~nondet14;havoc ssl3_accept_#t~nondet14;ssl3_accept_~s__session__peer~0 := ssl3_accept_#t~nondet15;havoc ssl3_accept_#t~nondet15;ssl3_accept_~s__cert__pkeys__AT0__privatekey~0 := ssl3_accept_#t~nondet16;havoc ssl3_accept_#t~nondet16;ssl3_accept_~s__ctx__info_callback~0 := ssl3_accept_#t~nondet17;havoc ssl3_accept_#t~nondet17;ssl3_accept_~s__ctx__stats__sess_accept_renegotiate~0 := ssl3_accept_#t~nondet18;havoc ssl3_accept_#t~nondet18;ssl3_accept_~s__ctx__stats__sess_accept~0 := ssl3_accept_#t~nondet19;havoc ssl3_accept_#t~nondet19;ssl3_accept_~s__ctx__stats__sess_accept_good~0 := ssl3_accept_#t~nondet20;havoc ssl3_accept_#t~nondet20;havoc ssl3_accept_~s__s3__tmp__cert_request~0;ssl3_accept_~s__s3__tmp__reuse_message~0 := ssl3_accept_#t~nondet21;havoc ssl3_accept_#t~nondet21;havoc ssl3_accept_~s__s3__tmp__use_rsa_tmp~0;ssl3_accept_~s__s3__tmp__new_cipher~0 := ssl3_accept_#t~nondet22;havoc ssl3_accept_#t~nondet22;ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 := ssl3_accept_#t~nondet23;havoc ssl3_accept_#t~nondet23;havoc ssl3_accept_~s__s3__tmp__next_state___0~0;ssl3_accept_~s__s3__tmp__new_cipher__algo_strength~0 := ssl3_accept_#t~nondet24;havoc ssl3_accept_#t~nondet24;havoc ssl3_accept_~s__session__cipher~0;havoc ssl3_accept_~buf~0;havoc ssl3_accept_~l~0;havoc ssl3_accept_~Time~0;havoc ssl3_accept_~tmp~0;havoc ssl3_accept_~cb~0;ssl3_accept_~num1~0 := ssl3_accept_#t~nondet25;havoc ssl3_accept_#t~nondet25;havoc ssl3_accept_~ret~0;havoc ssl3_accept_~new_state~0;havoc ssl3_accept_~state~0;havoc ssl3_accept_~skip~0;havoc ssl3_accept_~got_new_session~0;ssl3_accept_~tmp___1~0 := ssl3_accept_#t~nondet26;havoc ssl3_accept_#t~nondet26;ssl3_accept_~tmp___2~0 := ssl3_accept_#t~nondet27;havoc ssl3_accept_#t~nondet27;ssl3_accept_~tmp___3~0 := ssl3_accept_#t~nondet28;havoc ssl3_accept_#t~nondet28;ssl3_accept_~tmp___4~0 := ssl3_accept_#t~nondet29;havoc ssl3_accept_#t~nondet29;ssl3_accept_~tmp___5~0 := ssl3_accept_#t~nondet30;havoc ssl3_accept_#t~nondet30;ssl3_accept_~tmp___6~0 := ssl3_accept_#t~nondet31;havoc ssl3_accept_#t~nondet31;havoc ssl3_accept_~tmp___7~0;ssl3_accept_~tmp___8~0 := ssl3_accept_#t~nondet32;havoc ssl3_accept_#t~nondet32;ssl3_accept_~tmp___9~0 := ssl3_accept_#t~nondet33;havoc ssl3_accept_#t~nondet33;ssl3_accept_~tmp___10~0 := ssl3_accept_#t~nondet34;havoc ssl3_accept_#t~nondet34;havoc ssl3_accept_~blastFlag~0;ssl3_accept_~ag_X~0 := ssl3_accept_#t~nondet35;havoc ssl3_accept_#t~nondet35;ssl3_accept_~ag_Y~0 := ssl3_accept_#t~nondet36;havoc ssl3_accept_#t~nondet36;havoc ssl3_accept_~__retres69~0;ssl3_accept_~s__state~0 := ssl3_accept_~initial_state;ssl3_accept_~blastFlag~0 := 0;ssl3_accept_~tmp~0 := ssl3_accept_#t~nondet37;havoc ssl3_accept_#t~nondet37;ssl3_accept_~Time~0 := ssl3_accept_~tmp~0;ssl3_accept_~cb~0 := 0;ssl3_accept_~ret~0 := -1;ssl3_accept_~skip~0 := 0;ssl3_accept_~got_new_session~0 := 0; 4325#L77 assume 0 != ssl3_accept_~s__info_callback~0;ssl3_accept_~cb~0 := ssl3_accept_~s__info_callback~0; 4219#L80-2 ssl3_accept_~s__in_handshake~0 := 1 + ssl3_accept_~s__in_handshake~0; 4261#L87 assume !(0 != (12288 + ssl3_accept_~tmp___1~0) % 4294967296); 4216#L87-1 assume !(0 == ssl3_accept_~s__cert~0); 4217#L103-2 assume !false; 4597#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 4838#L106 assume !(12292 == ssl3_accept_~s__state~0); 4836#L109 assume !(16384 == ssl3_accept_~s__state~0); 4833#L112 assume !(8192 == ssl3_accept_~s__state~0); 4831#L115 assume !(24576 == ssl3_accept_~s__state~0); 4744#L118 assume !(8195 == ssl3_accept_~s__state~0); 4609#L121 assume !(8480 == ssl3_accept_~s__state~0); 4610#L124 assume !(8481 == ssl3_accept_~s__state~0); 4599#L127 assume !(8482 == ssl3_accept_~s__state~0); 4556#L130 assume 8464 == ssl3_accept_~s__state~0; 4549#L137 ssl3_accept_~s__shutdown~0 := 0;ssl3_accept_~ret~0 := ssl3_accept_#t~nondet40;havoc ssl3_accept_#t~nondet40; 4208#L295 assume 0 == ssl3_accept_~blastFlag~0;ssl3_accept_~blastFlag~0 := 1; 4209#L295-2 assume !(ssl3_accept_~ret~0 <= 0);ssl3_accept_~got_new_session~0 := 1;ssl3_accept_~s__state~0 := (if 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 <= 2147483647 then 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 else 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 - 4294967296);ssl3_accept_~s__init_num~0 := 0; 4642#L592 [2021-08-31 01:57:45,189 INFO L793 eck$LassoCheckResult]: Loop: 4642#L592 assume !(0 == ssl3_accept_~s__s3__tmp__reuse_message~0); 4689#L630 ssl3_accept_~skip~0 := 0; 4688#L103-2 assume !false; 4687#L104 ssl3_accept_~state~0 := ssl3_accept_~s__state~0; 4686#L106 assume !(12292 == ssl3_accept_~s__state~0); 4685#L109 assume !(16384 == ssl3_accept_~s__state~0); 4684#L112 assume !(8192 == ssl3_accept_~s__state~0); 4683#L115 assume !(24576 == ssl3_accept_~s__state~0); 4682#L118 assume !(8195 == ssl3_accept_~s__state~0); 4679#L121 assume !(8480 == ssl3_accept_~s__state~0); 4575#L124 assume !(8481 == ssl3_accept_~s__state~0); 4572#L127 assume !(8482 == ssl3_accept_~s__state~0); 4561#L130 assume 8464 == ssl3_accept_~s__state~0; 4384#L137 ssl3_accept_~s__shutdown~0 := 0;ssl3_accept_~ret~0 := ssl3_accept_#t~nondet40;havoc ssl3_accept_#t~nondet40; 4206#L295 assume !(0 == ssl3_accept_~blastFlag~0); 4207#L295-2 assume !(ssl3_accept_~ret~0 <= 0);ssl3_accept_~got_new_session~0 := 1;ssl3_accept_~s__state~0 := (if 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 <= 2147483647 then 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 else 2 * (ssl3_accept_~ag_X~0 + ssl3_accept_~ag_Y~0) % 4294967296 % 4294967296 - 4294967296);ssl3_accept_~s__init_num~0 := 0; 4642#L592 [2021-08-31 01:57:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash -892728721, now seen corresponding path program 1 times [2021-08-31 01:57:45,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:45,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557525795] [2021-08-31 01:57:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:45,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:45,215 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:45,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:45,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1718816062, now seen corresponding path program 2 times [2021-08-31 01:57:45,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:45,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595726725] [2021-08-31 01:57:45,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:45,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:45,260 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:45,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:45,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:57:45,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1461290068, now seen corresponding path program 1 times [2021-08-31 01:57:45,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:57:45,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034763355] [2021-08-31 01:57:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:57:45,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:57:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:45,300 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:57:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:57:45,322 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:57:46,018 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:57:46,021 INFO L158 Benchmark]: Toolchain (without parser) took 6329.60ms. Allocated memory was 48.2MB in the beginning and 111.1MB in the end (delta: 62.9MB). Free memory was 25.7MB in the beginning and 61.3MB in the end (delta: -35.6MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2021-08-31 01:57:46,021 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:57:46,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.46ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 46.4MB in the end (delta: -20.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-31 01:57:46,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.18ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 43.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:57:46,022 INFO L158 Benchmark]: Boogie Preprocessor took 28.56ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 41.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 01:57:46,023 INFO L158 Benchmark]: RCFGBuilder took 289.79ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 36.6MB in the end (delta: 5.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-08-31 01:57:46,023 INFO L158 Benchmark]: BuchiAutomizer took 5554.16ms. Allocated memory was 65.0MB in the beginning and 111.1MB in the end (delta: 46.1MB). Free memory was 36.6MB in the beginning and 61.3MB in the end (delta: -24.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-08-31 01:57:46,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.46ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 46.4MB in the end (delta: -20.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.18ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 43.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.56ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 41.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 289.79ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 36.6MB in the end (delta: 5.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 5554.16ms. Allocated memory was 65.0MB in the beginning and 111.1MB in the end (delta: 46.1MB). Free memory was 36.6MB in the beginning and 61.3MB in the end (delta: -24.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function s__state and consists of 5 locations. One deterministic module has affine ranking function -2 * blastFlag + 1 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 735 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:57:46,046 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...