/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_clnt_4.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:35:09,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:35:09,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:35:09,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:35:09,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:35:09,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:35:09,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:35:09,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:35:09,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:35:09,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:35:09,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:35:09,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:35:09,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:35:09,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:35:09,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:35:09,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:35:09,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:35:09,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:35:09,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:35:09,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:35:09,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:35:09,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:35:09,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:35:09,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:35:09,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:35:09,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:35:09,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:35:09,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:35:09,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:35:09,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:35:09,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:35:09,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:35:09,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:35:09,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:35:09,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:35:09,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:35:09,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:35:09,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:35:09,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:35:09,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:35:09,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:35:09,838 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 11:35:09,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:35:09,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:35:09,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:35:09,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:35:09,894 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:35:09,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:35:09,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:35:09,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:35:09,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:35:09,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:35:09,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:35:09,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:35:09,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:35:09,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:35:09,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:35:09,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:35:09,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:35:09,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:35:09,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:35:09,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:35:09,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:35:09,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:35:09,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:35:09,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:35:09,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:35:09,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:35:10,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:35:10,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:35:10,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:35:10,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:35:10,430 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:35:10,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_clnt_4.cil-2.c [2021-01-06 11:35:10,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1ca4fe0b7/b80b9a657c4d4e2aa8c75d031ea63500/FLAGa8f3dfc6f [2021-01-06 11:35:11,315 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:35:11,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_clnt_4.cil-2.c [2021-01-06 11:35:11,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1ca4fe0b7/b80b9a657c4d4e2aa8c75d031ea63500/FLAGa8f3dfc6f [2021-01-06 11:35:11,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1ca4fe0b7/b80b9a657c4d4e2aa8c75d031ea63500 [2021-01-06 11:35:11,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:35:11,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:35:11,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:35:11,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:35:11,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:35:11,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:35:11" (1/1) ... [2021-01-06 11:35:11,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cfb737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:11, skipping insertion in model container [2021-01-06 11:35:11,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:35:11" (1/1) ... [2021-01-06 11:35:11,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:35:11,696 INFO L178 MainTranslator]: Built tables and reachable declarations 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[~tmp~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[~tmp___0~0,] 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__state~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[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__type~0,] left hand side expression in assignment: lhs: VariableLHS[~buf~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[~s__init_buf___0~0,] 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[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~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[~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[~blastFlag~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[~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[~ret~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__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[~l~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__s3__change_cipher_spec~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[~s__s3__change_cipher_spec~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[~s__session__cipher~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__compress_meth~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__compress_meth~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[~s__state~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[~s__s3__flags~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp59~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~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__flags~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__delay_buf_pop_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__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__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp62~0,] 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[~__cil_tmp63~0,] 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[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp64~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp65~0,] 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 11:35:11,969 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_clnt_4.cil-2.c[35431,35444] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2021-01-06 11:35:11,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:35:12,000 INFO L203 MainTranslator]: Completed pre-run 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[~tmp~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[~tmp___0~0,] 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__state~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[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__type~0,] left hand side expression in assignment: lhs: VariableLHS[~buf~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[~s__init_buf___0~0,] 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[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~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[~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[~blastFlag~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[~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[~ret~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__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[~l~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__s3__change_cipher_spec~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[~s__s3__change_cipher_spec~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[~s__session__cipher~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__compress_meth~0,] left hand side expression in assignment: lhs: VariableLHS[~s__session__compress_meth~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[~s__state~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[~s__s3__flags~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__tmp__next_state___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp59~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~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__flags~0,] left hand side expression in assignment: lhs: VariableLHS[~s__s3__delay_buf_pop_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__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__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp62~0,] 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[~__cil_tmp63~0,] 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[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp64~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp65~0,] 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 11:35:12,061 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_clnt_4.cil-2.c[35431,35444] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2021-01-06 11:35:12,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:35:12,082 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:35:12,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12 WrapperNode [2021-01-06 11:35:12,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:35:12,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:35:12,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:35:12,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:35:12,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:35:12,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:35:12,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:35:12,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:35:12,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (1/1) ... [2021-01-06 11:35:12,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:35:12,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:35:12,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:35:12,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:35:12,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (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 11:35:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:35:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:35:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:35:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:35:12,685 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-01-06 11:35:13,351 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-01-06 11:35:13,352 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-01-06 11:35:13,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:35:13,362 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:35:13,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:13 BoogieIcfgContainer [2021-01-06 11:35:13,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:35:13,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:35:13,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:35:13,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:35:13,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:35:11" (1/3) ... [2021-01-06 11:35:13,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4c5195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:35:13, skipping insertion in model container [2021-01-06 11:35:13,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:12" (2/3) ... [2021-01-06 11:35:13,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4c5195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:35:13, skipping insertion in model container [2021-01-06 11:35:13,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:13" (3/3) ... [2021-01-06 11:35:13,374 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-2.c [2021-01-06 11:35:13,381 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:35:13,387 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:35:13,406 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:35:13,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:35:13,435 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:35:13,435 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:35:13,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:35:13,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:35:13,436 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:35:13,436 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:35:13,436 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:35:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2021-01-06 11:35:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 11:35:13,465 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:13,466 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 11:35:13,467 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:13,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:13,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2021-01-06 11:35:13,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:13,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702686363] [2021-01-06 11:35:13,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:13,743 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 11:35:13,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702686363] [2021-01-06 11:35:13,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:13,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:13,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752392684] [2021-01-06 11:35:13,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:13,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:13,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:13,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:13,775 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2021-01-06 11:35:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:13,957 INFO L93 Difference]: Finished difference Result 252 states and 427 transitions. [2021-01-06 11:35:13,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:13,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 11:35:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:13,972 INFO L225 Difference]: With dead ends: 252 [2021-01-06 11:35:13,972 INFO L226 Difference]: Without dead ends: 115 [2021-01-06 11:35:13,977 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 11:35:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-01-06 11:35:14,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-01-06 11:35:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-01-06 11:35:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2021-01-06 11:35:14,028 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2021-01-06 11:35:14,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:14,029 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2021-01-06 11:35:14,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2021-01-06 11:35:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-06 11:35:14,031 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:14,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:14,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:35:14,032 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:14,033 INFO L82 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2021-01-06 11:35:14,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:14,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069417495] [2021-01-06 11:35:14,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:14,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069417495] [2021-01-06 11:35:14,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:14,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:14,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542327196] [2021-01-06 11:35:14,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:14,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:14,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:14,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:14,157 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand 3 states. [2021-01-06 11:35:14,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:14,354 INFO L93 Difference]: Finished difference Result 238 states and 360 transitions. [2021-01-06 11:35:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:14,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-01-06 11:35:14,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:14,357 INFO L225 Difference]: With dead ends: 238 [2021-01-06 11:35:14,357 INFO L226 Difference]: Without dead ends: 133 [2021-01-06 11:35:14,359 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 11:35:14,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-01-06 11:35:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2021-01-06 11:35:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-01-06 11:35:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2021-01-06 11:35:14,373 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2021-01-06 11:35:14,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:14,373 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2021-01-06 11:35:14,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2021-01-06 11:35:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 11:35:14,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:14,376 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2021-01-06 11:35:14,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:35:14,377 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:14,381 INFO L82 PathProgramCache]: Analyzing trace with hash 356453796, now seen corresponding path program 1 times [2021-01-06 11:35:14,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:14,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328625532] [2021-01-06 11:35:14,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 11:35:14,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328625532] [2021-01-06 11:35:14,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:14,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:14,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574637049] [2021-01-06 11:35:14,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:14,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:14,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:14,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:14,539 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand 3 states. [2021-01-06 11:35:14,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:14,699 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions. [2021-01-06 11:35:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:14,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 11:35:14,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:14,701 INFO L225 Difference]: With dead ends: 271 [2021-01-06 11:35:14,702 INFO L226 Difference]: Without dead ends: 151 [2021-01-06 11:35:14,703 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 11:35:14,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-01-06 11:35:14,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2021-01-06 11:35:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-01-06 11:35:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2021-01-06 11:35:14,714 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2021-01-06 11:35:14,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:14,715 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2021-01-06 11:35:14,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-01-06 11:35:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 11:35:14,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:14,718 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:14,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:35:14,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:14,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:14,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1231505257, now seen corresponding path program 1 times [2021-01-06 11:35:14,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:14,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546026013] [2021-01-06 11:35:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-01-06 11:35:14,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546026013] [2021-01-06 11:35:14,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:14,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:14,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058093124] [2021-01-06 11:35:14,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:14,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:14,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:14,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:14,817 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand 3 states. [2021-01-06 11:35:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:14,999 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions. [2021-01-06 11:35:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:15,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 11:35:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:15,004 INFO L225 Difference]: With dead ends: 335 [2021-01-06 11:35:15,004 INFO L226 Difference]: Without dead ends: 197 [2021-01-06 11:35:15,008 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 11:35:15,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-01-06 11:35:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2021-01-06 11:35:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-01-06 11:35:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2021-01-06 11:35:15,037 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68 [2021-01-06 11:35:15,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:15,037 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2021-01-06 11:35:15,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2021-01-06 11:35:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 11:35:15,039 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:15,039 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:15,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:35:15,040 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:15,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:15,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1258023705, now seen corresponding path program 1 times [2021-01-06 11:35:15,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:15,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863448097] [2021-01-06 11:35:15,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-01-06 11:35:15,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863448097] [2021-01-06 11:35:15,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:15,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:15,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631627336] [2021-01-06 11:35:15,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:15,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:15,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:15,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:15,180 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 3 states. [2021-01-06 11:35:15,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:15,320 INFO L93 Difference]: Finished difference Result 391 states and 557 transitions. [2021-01-06 11:35:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:15,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 11:35:15,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:15,322 INFO L225 Difference]: With dead ends: 391 [2021-01-06 11:35:15,323 INFO L226 Difference]: Without dead ends: 213 [2021-01-06 11:35:15,324 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 11:35:15,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-01-06 11:35:15,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 207. [2021-01-06 11:35:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2021-01-06 11:35:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2021-01-06 11:35:15,334 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68 [2021-01-06 11:35:15,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:15,334 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2021-01-06 11:35:15,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2021-01-06 11:35:15,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 11:35:15,336 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:15,336 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:15,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:35:15,337 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:15,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:15,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1378844437, now seen corresponding path program 1 times [2021-01-06 11:35:15,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:15,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163102399] [2021-01-06 11:35:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-01-06 11:35:15,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163102399] [2021-01-06 11:35:15,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:15,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:15,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361602586] [2021-01-06 11:35:15,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:15,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:15,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:15,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:15,458 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand 3 states. [2021-01-06 11:35:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:15,605 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2021-01-06 11:35:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:15,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 11:35:15,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:15,608 INFO L225 Difference]: With dead ends: 428 [2021-01-06 11:35:15,608 INFO L226 Difference]: Without dead ends: 231 [2021-01-06 11:35:15,609 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 11:35:15,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-01-06 11:35:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2021-01-06 11:35:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-01-06 11:35:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2021-01-06 11:35:15,617 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85 [2021-01-06 11:35:15,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:15,618 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2021-01-06 11:35:15,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2021-01-06 11:35:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 11:35:15,620 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:15,620 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:15,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:35:15,621 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:15,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:15,622 INFO L82 PathProgramCache]: Analyzing trace with hash 311084899, now seen corresponding path program 1 times [2021-01-06 11:35:15,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:15,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607566442] [2021-01-06 11:35:15,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-01-06 11:35:15,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607566442] [2021-01-06 11:35:15,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:15,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:15,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752019032] [2021-01-06 11:35:15,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:15,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:15,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:15,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:15,739 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand 3 states. [2021-01-06 11:35:15,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:15,791 INFO L93 Difference]: Finished difference Result 660 states and 910 transitions. [2021-01-06 11:35:15,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:15,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 11:35:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:15,795 INFO L225 Difference]: With dead ends: 660 [2021-01-06 11:35:15,795 INFO L226 Difference]: Without dead ends: 442 [2021-01-06 11:35:15,796 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 11:35:15,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-01-06 11:35:15,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2021-01-06 11:35:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2021-01-06 11:35:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 605 transitions. [2021-01-06 11:35:15,811 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 605 transitions. Word has length 105 [2021-01-06 11:35:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:15,812 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 605 transitions. [2021-01-06 11:35:15,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 605 transitions. [2021-01-06 11:35:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 11:35:15,813 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:15,814 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:15,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 11:35:15,814 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:15,815 INFO L82 PathProgramCache]: Analyzing trace with hash 990357153, now seen corresponding path program 1 times [2021-01-06 11:35:15,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:15,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387788007] [2021-01-06 11:35:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-01-06 11:35:15,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387788007] [2021-01-06 11:35:15,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:15,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:15,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144346479] [2021-01-06 11:35:15,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:15,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:15,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:15,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:15,866 INFO L87 Difference]: Start difference. First operand 442 states and 605 transitions. Second operand 3 states. [2021-01-06 11:35:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:15,899 INFO L93 Difference]: Finished difference Result 895 states and 1224 transitions. [2021-01-06 11:35:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:15,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 11:35:15,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:15,904 INFO L225 Difference]: With dead ends: 895 [2021-01-06 11:35:15,904 INFO L226 Difference]: Without dead ends: 463 [2021-01-06 11:35:15,905 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 11:35:15,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-01-06 11:35:15,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2021-01-06 11:35:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2021-01-06 11:35:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 632 transitions. [2021-01-06 11:35:15,918 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 632 transitions. Word has length 105 [2021-01-06 11:35:15,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:15,918 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 632 transitions. [2021-01-06 11:35:15,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 632 transitions. [2021-01-06 11:35:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 11:35:15,920 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:15,921 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:15,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 11:35:15,921 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:15,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:15,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1829390815, now seen corresponding path program 1 times [2021-01-06 11:35:15,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:15,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237495772] [2021-01-06 11:35:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-01-06 11:35:15,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237495772] [2021-01-06 11:35:15,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:15,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:15,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108020842] [2021-01-06 11:35:15,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:15,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:15,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:15,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:15,969 INFO L87 Difference]: Start difference. First operand 463 states and 632 transitions. Second operand 3 states. [2021-01-06 11:35:15,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:15,995 INFO L93 Difference]: Finished difference Result 943 states and 1285 transitions. [2021-01-06 11:35:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:15,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 11:35:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:15,999 INFO L225 Difference]: With dead ends: 943 [2021-01-06 11:35:15,999 INFO L226 Difference]: Without dead ends: 490 [2021-01-06 11:35:16,000 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 11:35:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2021-01-06 11:35:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2021-01-06 11:35:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2021-01-06 11:35:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 666 transitions. [2021-01-06 11:35:16,014 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 666 transitions. Word has length 105 [2021-01-06 11:35:16,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:16,014 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 666 transitions. [2021-01-06 11:35:16,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 666 transitions. [2021-01-06 11:35:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 11:35:16,016 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:16,016 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:16,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 11:35:16,017 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:16,017 INFO L82 PathProgramCache]: Analyzing trace with hash -915547054, now seen corresponding path program 1 times [2021-01-06 11:35:16,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:16,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329364158] [2021-01-06 11:35:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:35:16,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:35:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:35:16,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:35:16,165 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 11:35:16,165 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 11:35:16,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 11:35:16,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:35:16 BoogieIcfgContainer [2021-01-06 11:35:16,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:35:16,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:35:16,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:35:16,322 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:35:16,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:13" (3/4) ... [2021-01-06 11:35:16,328 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 11:35:16,523 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_clnt_4.cil-2.c-witness.graphml [2021-01-06 11:35:16,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:35:16,526 INFO L168 Benchmark]: Toolchain (without parser) took 4918.97 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 131.3 MB in the beginning and 165.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 101.3 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,527 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:35:16,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.33 ms. Allocated memory is still 156.2 MB. Free memory was 131.1 MB in the beginning and 116.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.80 ms. Allocated memory is still 156.2 MB. Free memory was 116.5 MB in the beginning and 113.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,529 INFO L168 Benchmark]: Boogie Preprocessor took 87.62 ms. Allocated memory is still 156.2 MB. Free memory was 113.7 MB in the beginning and 111.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,529 INFO L168 Benchmark]: RCFGBuilder took 1090.68 ms. Allocated memory is still 156.2 MB. Free memory was 111.6 MB in the beginning and 97.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,529 INFO L168 Benchmark]: TraceAbstraction took 2953.48 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 97.6 MB in the beginning and 75.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,530 INFO L168 Benchmark]: Witness Printer took 202.62 ms. Allocated memory is still 187.7 MB. Free memory was 75.0 MB in the beginning and 165.7 MB in the end (delta: -90.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:16,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 473.33 ms. Allocated memory is still 156.2 MB. Free memory was 131.1 MB in the beginning and 116.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 100.80 ms. Allocated memory is still 156.2 MB. Free memory was 116.5 MB in the beginning and 113.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.62 ms. Allocated memory is still 156.2 MB. Free memory was 113.7 MB in the beginning and 111.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1090.68 ms. Allocated memory is still 156.2 MB. Free memory was 111.6 MB in the beginning and 97.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2953.48 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 97.6 MB in the beginning and 75.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * Witness Printer took 202.62 ms. Allocated memory is still 187.7 MB. Free memory was 75.0 MB in the beginning and 165.7 MB in the end (delta: -90.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 550]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L555] int s ; [L559] s = 12292 [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__bbio = __VERIFIER_nondet_int() ; [L22] int s__wbio = __VERIFIER_nondet_int() ; [L23] int s__hit = __VERIFIER_nondet_int() ; [L24] int s__rwstate ; [L25] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L26] int s__debug = __VERIFIER_nondet_int() ; [L27] int s__shutdown ; [L28] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L33] int s__s3__change_cipher_spec ; [L34] int s__s3__flags = __VERIFIER_nondet_int() ; [L35] int s__s3__delay_buf_pop_ret ; [L36] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L41] int s__s3__tmp__next_state___0 ; [L42] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L43] int s__session__cipher ; [L44] int s__session__compress_meth ; [L45] int buf ; [L46] unsigned long tmp ; [L47] unsigned long l ; [L48] int num1 = __VERIFIER_nondet_int() ; [L49] int cb ; [L50] int ret ; [L51] int new_state ; [L52] int state ; [L53] int skip ; [L54] int tmp___0 ; [L55] int tmp___1 = __VERIFIER_nondet_int() ; [L56] int tmp___2 = __VERIFIER_nondet_int() ; [L57] int tmp___3 = __VERIFIER_nondet_int() ; [L58] int tmp___4 = __VERIFIER_nondet_int() ; [L59] int tmp___5 = __VERIFIER_nondet_int() ; [L60] int tmp___6 = __VERIFIER_nondet_int() ; [L61] int tmp___7 = __VERIFIER_nondet_int() ; [L62] int tmp___8 = __VERIFIER_nondet_int() ; [L63] int tmp___9 = __VERIFIER_nondet_int() ; [L64] int blastFlag ; [L65] int __cil_tmp55 ; [L66] unsigned long __cil_tmp56 ; [L67] long __cil_tmp57 ; [L68] long __cil_tmp58 ; [L69] long __cil_tmp59 ; [L70] long __cil_tmp60 ; [L71] long __cil_tmp61 ; [L72] long __cil_tmp62 ; [L73] long __cil_tmp63 ; [L74] long __cil_tmp64 ; [L75] long __cil_tmp65 ; [L79] s__state = initial_state [L80] blastFlag = 0 [L81] tmp = __VERIFIER_nondet_int() [L82] cb = 0 [L83] ret = -1 [L84] skip = 0 [L85] tmp___0 = 0 [L86] COND TRUE s__info_callback != 0 [L87] cb = s__info_callback [L93] s__in_handshake ++ [L94] COND FALSE !(tmp___1 + 12288) [L100] COND TRUE 1 [L102] state = s__state [L103] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate ++ [L212] s__server = 0 [L213] COND TRUE cb != 0 [L217] __cil_tmp55 = s__version + 65280 [L218] COND FALSE !(__cil_tmp55 != 768) [L223] s__type = 4096 [L224] COND FALSE !(s__init_buf___0 == 0) [L236] COND FALSE !(! tmp___4) [L240] COND FALSE !(! tmp___5) [L244] s__state = 4368 [L245] s__ctx__stats__sess_connect ++ [L246] s__init_num = 0 [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND TRUE s__state == 4368 [L250] s__shutdown = 0 [L251] ret = __VERIFIER_nondet_int() [L252] COND TRUE blastFlag == 0 [L253] blastFlag = 1 [L255] COND FALSE !(ret <= 0) [L258] s__state = 4384 [L259] s__init_num = 0 [L260] COND TRUE s__bbio != s__wbio [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND TRUE s__state == 4384 [L266] ret = __VERIFIER_nondet_int() [L267] COND TRUE blastFlag == 1 [L268] blastFlag = 2 [L270] COND FALSE !(ret <= 0) [L273] COND FALSE !(\read(s__hit)) [L276] s__state = 4400 [L278] s__init_num = 0 [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND TRUE s__state == 4400 [L283] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L284] COND FALSE !(__cil_tmp56 + 256UL) [L287] ret = __VERIFIER_nondet_int() [L288] COND TRUE blastFlag == 2 [L289] blastFlag = 3 [L295] COND FALSE !(ret <= 0) [L300] s__state = 4416 [L301] s__init_num = 0 [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND FALSE !(s__state == 4400) [L133] COND FALSE !(s__state == 4401) [L136] COND TRUE s__state == 4416 [L305] ret = __VERIFIER_nondet_int() [L306] COND TRUE blastFlag == 3 [L307] blastFlag = 4 [L309] COND FALSE !(ret <= 0) [L312] s__state = 4432 [L313] s__init_num = 0 [L314] COND FALSE !(! tmp___6) [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND FALSE !(s__state == 4400) [L133] COND FALSE !(s__state == 4401) [L136] COND FALSE !(s__state == 4416) [L139] COND FALSE !(s__state == 4417) [L142] COND TRUE s__state == 4432 [L321] ret = __VERIFIER_nondet_int() [L322] COND TRUE blastFlag == 4 [L550] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1631 SDtfs, 274 SDslu, 970 SDs, 0 SdLazy, 641 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=490occurred in iteration=9, 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, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 755 NumberOfCodeBlocks, 755 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 639 ConstructedInterpolants, 0 QuantifiedInterpolants, 78987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 586/586 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...