/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:41:36,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:41:36,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:41:36,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:41:36,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:41:36,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:41:36,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:41:36,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:41:36,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:41:36,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:41:36,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:41:36,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:41:36,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:41:36,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:41:36,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:41:36,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:41:36,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:41:36,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:41:36,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:41:36,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:41:36,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:41:36,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:41:36,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:41:36,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:41:36,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:41:36,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:41:36,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:41:36,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:41:36,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:41:36,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:41:36,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:41:36,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:41:36,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:41:36,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:41:36,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:41:36,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:41:36,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:41:36,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:41:36,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:41:36,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:41:36,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:41:36,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:41:36,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:41:36,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:41:36,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:41:36,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:41:36,580 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:41:36,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:41:36,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:41:36,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:41:36,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:41:36,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:41:36,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:41:36,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:41:36,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:41:36,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:41:36,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:41:36,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:41:36,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:41:36,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:41:36,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:41:36,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:41:36,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:41:36,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:41:36,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:41:36,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:41:36,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:41:36,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:41:37,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:41:37,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:41:37,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:41:37,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:41:37,061 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:41:37,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2020-12-23 01:41:37,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2ba0fd9da/d71b8048b2df44adaa1ab5b25b46fb39/FLAG0d3057edd [2020-12-23 01:41:37,866 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:41:37,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2020-12-23 01:41:37,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2ba0fd9da/d71b8048b2df44adaa1ab5b25b46fb39/FLAG0d3057edd [2020-12-23 01:41:38,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2ba0fd9da/d71b8048b2df44adaa1ab5b25b46fb39 [2020-12-23 01:41:38,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:41:38,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:41:38,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:41:38,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:41:38,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:41:38,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1f75bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38, skipping insertion in model container [2020-12-23 01:41:38,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:41:38,196 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__new_cipher__algorithms~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp56~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp57~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp58~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp59~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp60~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp61~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__reuse_message~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~Time~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__server~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp55~0,] left hand side expression in assignment: lhs: VariableLHS[~s__type~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp56~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~l~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp57~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp58~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp59~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp60~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp61~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__cipher~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~new_state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] [2020-12-23 01:41:38,462 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c[43262,43275] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] [2020-12-23 01:41:38,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:41:38,481 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__new_cipher__algorithms~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp56~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp57~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp58~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp59~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp60~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp61~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__reuse_message~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~Time~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~cb~0,] left hand side expression in assignment: lhs: VariableLHS[~state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__server~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp55~0,] left hand side expression in assignment: lhs: VariableLHS[~s__type~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~got_new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp56~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~l~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp57~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__use_rsa_tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp58~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp59~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp60~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp61~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__cert_request~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__cipher~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~new_state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] [2020-12-23 01:41:38,604 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c[43262,43275] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] [2020-12-23 01:41:38,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:41:38,637 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:41:38,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38 WrapperNode [2020-12-23 01:41:38,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:41:38,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:41:38,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:41:38,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:41:38,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:41:38,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:41:38,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:41:38,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:41:38,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... [2020-12-23 01:41:38,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:41:38,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:41:38,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:41:38,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:41:38,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:41:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:41:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:41:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:41:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:41:39,103 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 01:41:39,788 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-23 01:41:39,789 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-23 01:41:39,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:41:39,802 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:41:39,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:41:39 BoogieIcfgContainer [2020-12-23 01:41:39,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:41:39,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:41:39,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:41:39,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:41:39,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:41:38" (1/3) ... [2020-12-23 01:41:39,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e17001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:41:39, skipping insertion in model container [2020-12-23 01:41:39,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:38" (2/3) ... [2020-12-23 01:41:39,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e17001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:41:39, skipping insertion in model container [2020-12-23 01:41:39,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:41:39" (3/3) ... [2020-12-23 01:41:39,814 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2020-12-23 01:41:39,823 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:41:39,831 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:41:39,860 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:41:39,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:41:39,894 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:41:39,894 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:41:39,894 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:41:39,895 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:41:39,895 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:41:39,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:41:39,895 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:41:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-12-23 01:41:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 01:41:39,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:39,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:39,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:39,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1530370178, now seen corresponding path program 1 times [2020-12-23 01:41:39,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:39,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160753524] [2020-12-23 01:41:39,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:40,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160753524] [2020-12-23 01:41:40,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:40,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:40,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870118593] [2020-12-23 01:41:40,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:40,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:40,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:40,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:40,291 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-12-23 01:41:40,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:40,558 INFO L93 Difference]: Finished difference Result 312 states and 530 transitions. [2020-12-23 01:41:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:40,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-23 01:41:40,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:40,573 INFO L225 Difference]: With dead ends: 312 [2020-12-23 01:41:40,573 INFO L226 Difference]: Without dead ends: 153 [2020-12-23 01:41:40,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:40,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-23 01:41:40,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-12-23 01:41:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-23 01:41:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 236 transitions. [2020-12-23 01:41:40,638 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 236 transitions. Word has length 23 [2020-12-23 01:41:40,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:40,639 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 236 transitions. [2020-12-23 01:41:40,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 236 transitions. [2020-12-23 01:41:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 01:41:40,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:40,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:40,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:41:40,641 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:40,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:40,643 INFO L82 PathProgramCache]: Analyzing trace with hash -595070533, now seen corresponding path program 1 times [2020-12-23 01:41:40,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:40,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683642352] [2020-12-23 01:41:40,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:40,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683642352] [2020-12-23 01:41:40,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:40,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:40,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356934362] [2020-12-23 01:41:40,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:40,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:40,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:40,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:40,790 INFO L87 Difference]: Start difference. First operand 151 states and 236 transitions. Second operand 3 states. [2020-12-23 01:41:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:41,012 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2020-12-23 01:41:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:41,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 01:41:41,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:41,020 INFO L225 Difference]: With dead ends: 314 [2020-12-23 01:41:41,020 INFO L226 Difference]: Without dead ends: 171 [2020-12-23 01:41:41,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-12-23 01:41:41,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-12-23 01:41:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-12-23 01:41:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2020-12-23 01:41:41,069 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 24 [2020-12-23 01:41:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:41,069 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2020-12-23 01:41:41,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2020-12-23 01:41:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 01:41:41,072 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:41,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:41,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:41:41,072 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:41,075 INFO L82 PathProgramCache]: Analyzing trace with hash 61695231, now seen corresponding path program 1 times [2020-12-23 01:41:41,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:41,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837569359] [2020-12-23 01:41:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:41,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837569359] [2020-12-23 01:41:41,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:41,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:41,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706192825] [2020-12-23 01:41:41,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:41,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:41,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:41,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,184 INFO L87 Difference]: Start difference. First operand 169 states and 267 transitions. Second operand 3 states. [2020-12-23 01:41:41,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:41,376 INFO L93 Difference]: Finished difference Result 331 states and 524 transitions. [2020-12-23 01:41:41,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:41,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 01:41:41,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:41,379 INFO L225 Difference]: With dead ends: 331 [2020-12-23 01:41:41,380 INFO L226 Difference]: Without dead ends: 170 [2020-12-23 01:41:41,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-12-23 01:41:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-12-23 01:41:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-12-23 01:41:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 268 transitions. [2020-12-23 01:41:41,416 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 268 transitions. Word has length 24 [2020-12-23 01:41:41,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:41,416 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 268 transitions. [2020-12-23 01:41:41,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2020-12-23 01:41:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 01:41:41,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:41,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:41,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:41:41,420 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:41,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:41,421 INFO L82 PathProgramCache]: Analyzing trace with hash -77832335, now seen corresponding path program 1 times [2020-12-23 01:41:41,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:41,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129508718] [2020-12-23 01:41:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:41,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129508718] [2020-12-23 01:41:41,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:41,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:41,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637551911] [2020-12-23 01:41:41,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:41,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:41,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:41,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,491 INFO L87 Difference]: Start difference. First operand 170 states and 268 transitions. Second operand 3 states. [2020-12-23 01:41:41,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:41,618 INFO L93 Difference]: Finished difference Result 341 states and 536 transitions. [2020-12-23 01:41:41,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:41,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-23 01:41:41,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:41,620 INFO L225 Difference]: With dead ends: 341 [2020-12-23 01:41:41,620 INFO L226 Difference]: Without dead ends: 179 [2020-12-23 01:41:41,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-12-23 01:41:41,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2020-12-23 01:41:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 01:41:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 277 transitions. [2020-12-23 01:41:41,645 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 277 transitions. Word has length 25 [2020-12-23 01:41:41,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:41,646 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 277 transitions. [2020-12-23 01:41:41,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 277 transitions. [2020-12-23 01:41:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 01:41:41,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:41,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:41,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:41:41,647 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:41,649 INFO L82 PathProgramCache]: Analyzing trace with hash 845996009, now seen corresponding path program 1 times [2020-12-23 01:41:41,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:41,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044569173] [2020-12-23 01:41:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:41,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044569173] [2020-12-23 01:41:41,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:41,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:41,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49241191] [2020-12-23 01:41:41,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:41,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:41,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:41,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,712 INFO L87 Difference]: Start difference. First operand 179 states and 277 transitions. Second operand 3 states. [2020-12-23 01:41:41,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:41,853 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2020-12-23 01:41:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:41,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-23 01:41:41,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:41,855 INFO L225 Difference]: With dead ends: 360 [2020-12-23 01:41:41,855 INFO L226 Difference]: Without dead ends: 189 [2020-12-23 01:41:41,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-12-23 01:41:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2020-12-23 01:41:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 01:41:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2020-12-23 01:41:41,865 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 26 [2020-12-23 01:41:41,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:41,866 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2020-12-23 01:41:41,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2020-12-23 01:41:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 01:41:41,872 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:41,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:41,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:41:41,873 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:41,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:41,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1554339536, now seen corresponding path program 1 times [2020-12-23 01:41:41,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:41,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672077709] [2020-12-23 01:41:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:41,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672077709] [2020-12-23 01:41:41,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:41,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:41,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847171270] [2020-12-23 01:41:41,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:41,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:41,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:41,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:41,915 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand 3 states. [2020-12-23 01:41:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:42,048 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2020-12-23 01:41:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:42,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 01:41:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:42,050 INFO L225 Difference]: With dead ends: 360 [2020-12-23 01:41:42,051 INFO L226 Difference]: Without dead ends: 189 [2020-12-23 01:41:42,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-12-23 01:41:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2020-12-23 01:41:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 01:41:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 273 transitions. [2020-12-23 01:41:42,061 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 273 transitions. Word has length 27 [2020-12-23 01:41:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:42,061 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 273 transitions. [2020-12-23 01:41:42,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2020-12-23 01:41:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 01:41:42,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:42,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:42,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:41:42,063 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:42,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:42,063 INFO L82 PathProgramCache]: Analyzing trace with hash 552780476, now seen corresponding path program 1 times [2020-12-23 01:41:42,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:42,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742805458] [2020-12-23 01:41:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 01:41:42,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 01:41:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 01:41:42,111 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 01:41:42,160 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 01:41:42,160 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 01:41:42,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:41:42,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:41:42 BoogieIcfgContainer [2020-12-23 01:41:42,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:41:42,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:41:42,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:41:42,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:41:42,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:41:39" (3/4) ... [2020-12-23 01:41:42,260 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 01:41:42,387 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_srvr_10.cil.c-witness.graphml [2020-12-23 01:41:42,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:41:42,390 INFO L168 Benchmark]: Toolchain (without parser) took 4257.65 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 126.1 MB in the beginning and 112.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,391 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:41:42,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 110.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.60 ms. Allocated memory is still 151.0 MB. Free memory was 110.4 MB in the beginning and 107.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,392 INFO L168 Benchmark]: Boogie Preprocessor took 53.76 ms. Allocated memory is still 151.0 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,393 INFO L168 Benchmark]: RCFGBuilder took 1034.08 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 119.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,394 INFO L168 Benchmark]: TraceAbstraction took 2447.24 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 119.6 MB in the beginning and 117.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 40.5 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,394 INFO L168 Benchmark]: Witness Printer took 133.22 ms. Allocated memory is still 189.8 MB. Free memory was 117.9 MB in the beginning and 112.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:42,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 500.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 110.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 75.60 ms. Allocated memory is still 151.0 MB. Free memory was 110.4 MB in the beginning and 107.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.76 ms. Allocated memory is still 151.0 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1034.08 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 119.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2447.24 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 119.6 MB in the beginning and 117.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 40.5 MB. Max. memory is 8.0 GB. * Witness Printer took 133.22 ms. Allocated memory is still 189.8 MB. Free memory was 117.9 MB in the beginning and 112.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 630]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L636] int s ; [L637] int tmp ; [L641] s = 8464 [L13] int s__info_callback = __VERIFIER_nondet_int() ; [L14] int s__in_handshake = __VERIFIER_nondet_int() ; [L15] int s__state ; [L16] int s__new_session ; [L17] int s__server ; [L18] int s__version = __VERIFIER_nondet_int() ; [L19] int s__type ; [L20] int s__init_num ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__cert = __VERIFIER_nondet_int() ; [L27] int s__options = __VERIFIER_nondet_int() ; [L28] int s__verify_mode = __VERIFIER_nondet_int() ; [L29] int s__session__peer = __VERIFIER_nondet_int() ; [L30] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L31] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L34] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__cert_request ; [L36] int s__s3__tmp__reuse_message ; [L37] int s__s3__tmp__use_rsa_tmp ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int buf = __VERIFIER_nondet_int() ; [L44] unsigned long l ; [L45] unsigned long Time ; [L46] unsigned long tmp = __VERIFIER_nondet_long() ; [L47] int cb ; [L48] long num1 ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int got_new_session ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 ; [L57] int tmp___4 ; [L58] int tmp___5 ; [L59] int tmp___6 ; [L60] int tmp___7 ; [L61] long tmp___8 = __VERIFIER_nondet_long() ; [L62] int tmp___9 ; [L63] int tmp___10 ; [L64] int blastFlag ; [L65] int __cil_tmp55 ; [L66] unsigned long __cil_tmp56 ; [L67] unsigned long __cil_tmp57 ; [L68] unsigned long __cil_tmp58 ; [L69] unsigned long __cil_tmp59 ; [L70] int __cil_tmp60 ; [L71] unsigned long __cil_tmp61 ; [L74] s__s3__tmp__new_cipher__algorithms = 0 [L75] __cil_tmp56 = 0 [L76] __cil_tmp57 = 0 [L77] __cil_tmp58 = 0 [L78] __cil_tmp59 = 0 [L79] __cil_tmp60 = 0 [L80] __cil_tmp61 = 0 [L81] s__s3__tmp__reuse_message = 0 [L82] s__state = initial_state [L83] blastFlag = 0 [L84] Time = tmp [L85] cb = 0 [L86] ret = -1 [L87] skip = 0 [L88] got_new_session = 0 [L89] COND TRUE s__info_callback != 0 [L90] cb = s__info_callback [L96] s__in_handshake ++ [L97] COND FALSE !(tmp___1 + 12288) [L102] COND FALSE !(s__cert == 0) [L106] COND TRUE 1 [L108] state = s__state [L109] COND FALSE !(s__state == 12292) [L112] COND FALSE !(s__state == 16384) [L115] COND FALSE !(s__state == 8192) [L118] COND FALSE !(s__state == 24576) [L121] COND FALSE !(s__state == 8195) [L124] COND FALSE !(s__state == 8480) [L127] COND FALSE !(s__state == 8481) [L130] COND FALSE !(s__state == 8482) [L133] COND TRUE s__state == 8464 [L277] s__shutdown = 0 [L278] ret = __VERIFIER_nondet_int() [L279] COND TRUE blastFlag == 0 [L280] blastFlag = 1 [L282] COND FALSE !(ret <= 0) [L285] got_new_session = 1 [L286] s__state = 8496 [L287] s__init_num = 0 [L593] COND TRUE ! s__s3__tmp__reuse_message [L594] COND TRUE ! skip [L595] COND TRUE state == 8464 [L596] COND TRUE s__state == 8496 [L597] COND TRUE cb != 0 [L598] COND TRUE s__info_callback != 0 [L630] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 1058 SDslu, 126 SDs, 0 SdLazy, 496 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...