/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-178dd20 [2021-01-06 11:35:19,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:35:19,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:35:19,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:35:19,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:35:19,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:35:19,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:35:19,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:35:19,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:35:19,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:35:19,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:35:19,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:35:19,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:35:19,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:35:19,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:35:19,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:35:19,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:35:19,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:35:19,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:35:19,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:35:19,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:35:19,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:35:19,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:35:19,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:35:19,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:35:19,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:35:19,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:35:19,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:35:19,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:35:19,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:35:19,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:35:19,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:35:19,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:35:19,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:35:19,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:35:19,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:35:19,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:35:19,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:35:19,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:35:19,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:35:19,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:35:19,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:35:19,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:35:19,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:35:19,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:35:19,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:35:19,936 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:35:19,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:35:19,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:35:19,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:35:19,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:35:19,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:35:19,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:35:19,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:35:19,939 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:35:19,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:35:19,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:35:19,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:35:19,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:35:19,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:35:19,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:35:19,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:35:19,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:35:19,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:35:19,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:35:19,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:35:19,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:35:19,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:35:20,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:35:20,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:35:20,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:35:20,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:35:20,375 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:35:20,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2021-01-06 11:35:20,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7394086d0/4072e18b545c462297c3c46247a92795/FLAG440a4ffe6 [2021-01-06 11:35:21,055 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:35:21,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2021-01-06 11:35:21,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7394086d0/4072e18b545c462297c3c46247a92795/FLAG440a4ffe6 [2021-01-06 11:35:21,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7394086d0/4072e18b545c462297c3c46247a92795 [2021-01-06 11:35:21,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:35:21,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:35:21,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:35:21,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:35:21,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:35:21,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e38c9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21, skipping insertion in model container [2021-01-06 11:35:21,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:35:21,460 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,] [2021-01-06 11:35:21,683 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,] [2021-01-06 11:35:21,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:35:21,716 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,] [2021-01-06 11:35:21,784 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,] [2021-01-06 11:35:21,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:35:21,805 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:35:21,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21 WrapperNode [2021-01-06 11:35:21,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:35:21,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:35:21,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:35:21,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:35:21,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:35:21,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:35:21,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:35:21,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:35:21,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (1/1) ... [2021-01-06 11:35:21,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:35:21,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:35:21,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:35:21,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:35:21,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (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 [2021-01-06 11:35:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:35:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:35:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:35:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:35:22,290 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-01-06 11:35:22,917 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-01-06 11:35:22,917 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-01-06 11:35:22,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:35:22,928 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:35:22,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:22 BoogieIcfgContainer [2021-01-06 11:35:22,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:35:22,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:35:22,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:35:22,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:35:22,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:35:21" (1/3) ... [2021-01-06 11:35:22,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d70484f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:35:22, skipping insertion in model container [2021-01-06 11:35:22,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:21" (2/3) ... [2021-01-06 11:35:22,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d70484f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:35:22, skipping insertion in model container [2021-01-06 11:35:22,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:22" (3/3) ... [2021-01-06 11:35:22,939 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2021-01-06 11:35:22,947 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:35:22,953 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:35:22,973 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:35:23,003 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:35:23,003 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:35:23,003 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:35:23,003 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:35:23,004 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:35:23,004 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:35:23,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:35:23,004 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:35:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2021-01-06 11:35:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 11:35:23,033 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:23,033 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] [2021-01-06 11:35:23,034 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:23,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:23,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1530370178, now seen corresponding path program 1 times [2021-01-06 11:35:23,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:23,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645611685] [2021-01-06 11:35:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:23,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645611685] [2021-01-06 11:35:23,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:23,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:23,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138982232] [2021-01-06 11:35:23,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:23,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:23,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:23,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:23,319 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2021-01-06 11:35:23,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:23,553 INFO L93 Difference]: Finished difference Result 312 states and 530 transitions. [2021-01-06 11:35:23,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:23,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-01-06 11:35:23,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:23,568 INFO L225 Difference]: With dead ends: 312 [2021-01-06 11:35:23,568 INFO L226 Difference]: Without dead ends: 153 [2021-01-06 11:35:23,573 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 [2021-01-06 11:35:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-01-06 11:35:23,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2021-01-06 11:35:23,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2021-01-06 11:35:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 236 transitions. [2021-01-06 11:35:23,664 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 236 transitions. Word has length 23 [2021-01-06 11:35:23,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:23,664 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 236 transitions. [2021-01-06 11:35:23,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 236 transitions. [2021-01-06 11:35:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 11:35:23,667 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:23,667 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] [2021-01-06 11:35:23,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:35:23,667 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:23,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:23,669 INFO L82 PathProgramCache]: Analyzing trace with hash -595070533, now seen corresponding path program 1 times [2021-01-06 11:35:23,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:23,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64357974] [2021-01-06 11:35:23,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:23,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:23,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64357974] [2021-01-06 11:35:23,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:23,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:23,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585003644] [2021-01-06 11:35:23,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:23,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:23,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:23,755 INFO L87 Difference]: Start difference. First operand 151 states and 236 transitions. Second operand 3 states. [2021-01-06 11:35:23,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:23,929 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2021-01-06 11:35:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:23,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 11:35:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:23,932 INFO L225 Difference]: With dead ends: 314 [2021-01-06 11:35:23,932 INFO L226 Difference]: Without dead ends: 171 [2021-01-06 11:35:23,934 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 [2021-01-06 11:35:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-01-06 11:35:23,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2021-01-06 11:35:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2021-01-06 11:35:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2021-01-06 11:35:23,953 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 24 [2021-01-06 11:35:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:23,954 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2021-01-06 11:35:23,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2021-01-06 11:35:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 11:35:23,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:23,955 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] [2021-01-06 11:35:23,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:35:23,956 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:23,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:23,956 INFO L82 PathProgramCache]: Analyzing trace with hash 61695231, now seen corresponding path program 1 times [2021-01-06 11:35:23,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:23,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458486782] [2021-01-06 11:35:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:24,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458486782] [2021-01-06 11:35:24,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:24,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:24,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557432832] [2021-01-06 11:35:24,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:24,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:24,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:24,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:24,027 INFO L87 Difference]: Start difference. First operand 169 states and 267 transitions. Second operand 3 states. [2021-01-06 11:35:24,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:24,153 INFO L93 Difference]: Finished difference Result 331 states and 524 transitions. [2021-01-06 11:35:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:24,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 11:35:24,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:24,155 INFO L225 Difference]: With dead ends: 331 [2021-01-06 11:35:24,156 INFO L226 Difference]: Without dead ends: 170 [2021-01-06 11:35:24,157 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 [2021-01-06 11:35:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-01-06 11:35:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-01-06 11:35:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2021-01-06 11:35:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 268 transitions. [2021-01-06 11:35:24,170 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 268 transitions. Word has length 24 [2021-01-06 11:35:24,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:24,170 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 268 transitions. [2021-01-06 11:35:24,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2021-01-06 11:35:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 11:35:24,172 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:24,172 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] [2021-01-06 11:35:24,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:35:24,172 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:24,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:24,173 INFO L82 PathProgramCache]: Analyzing trace with hash -77832335, now seen corresponding path program 1 times [2021-01-06 11:35:24,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:24,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185585277] [2021-01-06 11:35:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:24,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185585277] [2021-01-06 11:35:24,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:24,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:24,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315107387] [2021-01-06 11:35:24,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:24,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:24,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:24,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:24,249 INFO L87 Difference]: Start difference. First operand 170 states and 268 transitions. Second operand 3 states. [2021-01-06 11:35:24,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:24,376 INFO L93 Difference]: Finished difference Result 341 states and 536 transitions. [2021-01-06 11:35:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:24,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-01-06 11:35:24,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:24,378 INFO L225 Difference]: With dead ends: 341 [2021-01-06 11:35:24,378 INFO L226 Difference]: Without dead ends: 179 [2021-01-06 11:35:24,379 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 [2021-01-06 11:35:24,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-01-06 11:35:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2021-01-06 11:35:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-01-06 11:35:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 277 transitions. [2021-01-06 11:35:24,390 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 277 transitions. Word has length 25 [2021-01-06 11:35:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:24,390 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 277 transitions. [2021-01-06 11:35:24,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 277 transitions. [2021-01-06 11:35:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 11:35:24,392 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:24,392 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] [2021-01-06 11:35:24,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:35:24,392 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:24,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:24,393 INFO L82 PathProgramCache]: Analyzing trace with hash 845996009, now seen corresponding path program 1 times [2021-01-06 11:35:24,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:24,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811873775] [2021-01-06 11:35:24,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:24,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811873775] [2021-01-06 11:35:24,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:24,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:24,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036515547] [2021-01-06 11:35:24,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:24,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:24,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:24,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:24,438 INFO L87 Difference]: Start difference. First operand 179 states and 277 transitions. Second operand 3 states. [2021-01-06 11:35:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:24,574 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2021-01-06 11:35:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:24,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 11:35:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:24,576 INFO L225 Difference]: With dead ends: 360 [2021-01-06 11:35:24,576 INFO L226 Difference]: Without dead ends: 189 [2021-01-06 11:35:24,577 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 [2021-01-06 11:35:24,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-01-06 11:35:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2021-01-06 11:35:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-01-06 11:35:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2021-01-06 11:35:24,586 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 26 [2021-01-06 11:35:24,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:24,587 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2021-01-06 11:35:24,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2021-01-06 11:35:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 11:35:24,588 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:24,588 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] [2021-01-06 11:35:24,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:35:24,589 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:24,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:24,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1554339536, now seen corresponding path program 1 times [2021-01-06 11:35:24,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:24,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368644188] [2021-01-06 11:35:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:24,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368644188] [2021-01-06 11:35:24,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:24,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:24,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691566742] [2021-01-06 11:35:24,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:24,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:24,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:24,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:24,637 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand 3 states. [2021-01-06 11:35:24,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:24,784 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2021-01-06 11:35:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:24,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-01-06 11:35:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:24,786 INFO L225 Difference]: With dead ends: 360 [2021-01-06 11:35:24,786 INFO L226 Difference]: Without dead ends: 189 [2021-01-06 11:35:24,787 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 [2021-01-06 11:35:24,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-01-06 11:35:24,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2021-01-06 11:35:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-01-06 11:35:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 273 transitions. [2021-01-06 11:35:24,796 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 273 transitions. Word has length 27 [2021-01-06 11:35:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:24,796 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 273 transitions. [2021-01-06 11:35:24,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2021-01-06 11:35:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 11:35:24,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:24,797 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] [2021-01-06 11:35:24,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:35:24,798 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:24,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:24,799 INFO L82 PathProgramCache]: Analyzing trace with hash 552780476, now seen corresponding path program 1 times [2021-01-06 11:35:24,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:24,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8089575] [2021-01-06 11:35:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:35:24,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:35:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:35:24,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:35:24,891 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 11:35:24,892 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 11:35:24,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 11:35:24,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:35:24 BoogieIcfgContainer [2021-01-06 11:35:24,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:35:24,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:35:24,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:35:24,966 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:35:24,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:22" (3/4) ... [2021-01-06 11:35:24,970 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 11:35:25,090 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_srvr_10.cil.c-witness.graphml [2021-01-06 11:35:25,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:35:25,094 INFO L168 Benchmark]: Toolchain (without parser) took 3701.60 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 135.6 MB in the beginning and 107.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,095 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:35:25,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.12 ms. Allocated memory is still 161.5 MB. Free memory was 135.2 MB in the beginning and 120.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.69 ms. Allocated memory is still 161.5 MB. Free memory was 119.8 MB in the beginning and 116.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,096 INFO L168 Benchmark]: Boogie Preprocessor took 86.03 ms. Allocated memory is still 161.5 MB. Free memory was 116.9 MB in the beginning and 114.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,097 INFO L168 Benchmark]: RCFGBuilder took 934.35 ms. Allocated memory is still 161.5 MB. Free memory was 114.8 MB in the beginning and 96.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,097 INFO L168 Benchmark]: TraceAbstraction took 2032.62 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 96.2 MB in the beginning and 112.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,098 INFO L168 Benchmark]: Witness Printer took 126.19 ms. Allocated memory is still 195.0 MB. Free memory was 112.9 MB in the beginning and 107.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:25,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 161.5 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 412.12 ms. Allocated memory is still 161.5 MB. Free memory was 135.2 MB in the beginning and 120.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 97.69 ms. Allocated memory is still 161.5 MB. Free memory was 119.8 MB in the beginning and 116.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.03 ms. Allocated memory is still 161.5 MB. Free memory was 116.9 MB in the beginning and 114.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 934.35 ms. Allocated memory is still 161.5 MB. Free memory was 114.8 MB in the beginning and 96.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2032.62 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 96.2 MB in the beginning and 112.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. * Witness Printer took 126.19 ms. Allocated memory is still 195.0 MB. Free memory was 112.9 MB in the beginning and 107.6 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: 1.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.0s, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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...