/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_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:34:46,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:34:46,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:34:46,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:34:46,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:34:46,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:34:46,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:34:46,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:34:46,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:34:46,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:34:46,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:34:46,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:34:46,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:34:46,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:34:46,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:34:46,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:34:46,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:34:46,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:34:46,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:34:46,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:34:46,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:34:46,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:34:46,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:34:46,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:34:46,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:34:46,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:34:46,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:34:46,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:34:46,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:34:46,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:34:46,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:34:46,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:34:46,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:34:46,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:34:46,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:34:46,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:34:46,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:34:46,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:34:46,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:34:46,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:34:46,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:34:46,767 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 11:34:46,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:34:46,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:34:46,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:34:46,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:34:46,796 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:34:46,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:34:46,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:34:46,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:34:46,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:34:46,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:34:46,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:34:46,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:34:46,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:34:46,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:34:46,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:34:46,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:34:46,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:34:46,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:34:46,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:34:46,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:34:46,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:34:46,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:34:46,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:34:46,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:34:46,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:34:46,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:34:47,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:34:47,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:34:47,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:34:47,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:34:47,212 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:34:47,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-1.c [2021-01-06 11:34:47,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1be33bb76/c09913b4b4a94d68a6109e6a823e20ef/FLAG169328992 [2021-01-06 11:34:47,980 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:34:47,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-1.c [2021-01-06 11:34:47,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1be33bb76/c09913b4b4a94d68a6109e6a823e20ef/FLAG169328992 [2021-01-06 11:34:48,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1be33bb76/c09913b4b4a94d68a6109e6a823e20ef [2021-01-06 11:34:48,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:34:48,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:34:48,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:34:48,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:34:48,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:34:48,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289a823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48, skipping insertion in model container [2021-01-06 11:34:48,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:34:48,365 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[~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[~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 11:34:48,603 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_2.cil-1.c[35350,35363] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2021-01-06 11:34:48,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:34:48,628 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[~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[~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 11:34:48,694 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_2.cil-1.c[35350,35363] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2021-01-06 11:34:48,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:34:48,727 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:34:48,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48 WrapperNode [2021-01-06 11:34:48,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:34:48,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:34:48,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:34:48,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:34:48,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:34:48,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:34:48,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:34:48,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:34:48,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (1/1) ... [2021-01-06 11:34:48,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:34:48,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:34:48,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:34:48,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:34:48,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (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 11:34:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:34:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:34:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:34:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:34:49,177 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-01-06 11:34:49,772 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-01-06 11:34:49,772 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-01-06 11:34:49,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:34:49,796 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:34:49,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:34:49 BoogieIcfgContainer [2021-01-06 11:34:49,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:34:49,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:34:49,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:34:49,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:34:49,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:34:48" (1/3) ... [2021-01-06 11:34:49,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380abe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:34:49, skipping insertion in model container [2021-01-06 11:34:49,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:34:48" (2/3) ... [2021-01-06 11:34:49,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380abe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:34:49, skipping insertion in model container [2021-01-06 11:34:49,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:34:49" (3/3) ... [2021-01-06 11:34:49,808 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c [2021-01-06 11:34:49,814 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:34:49,819 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:34:49,834 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:34:49,862 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:34:49,862 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:34:49,862 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:34:49,862 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:34:49,862 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:34:49,863 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:34:49,863 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:34:49,863 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:34:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2021-01-06 11:34:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 11:34:49,895 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:49,896 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 11:34:49,896 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:49,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2021-01-06 11:34:49,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:49,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016124755] [2021-01-06 11:34:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:50,176 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 11:34:50,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016124755] [2021-01-06 11:34:50,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:50,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:50,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003334709] [2021-01-06 11:34:50,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:50,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:50,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:50,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:50,204 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2021-01-06 11:34:50,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:50,426 INFO L93 Difference]: Finished difference Result 252 states and 427 transitions. [2021-01-06 11:34:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:50,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 11:34:50,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:50,442 INFO L225 Difference]: With dead ends: 252 [2021-01-06 11:34:50,442 INFO L226 Difference]: Without dead ends: 115 [2021-01-06 11:34:50,446 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 11:34:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-01-06 11:34:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-01-06 11:34:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-01-06 11:34:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2021-01-06 11:34:50,497 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2021-01-06 11:34:50,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:50,498 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2021-01-06 11:34:50,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2021-01-06 11:34:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-06 11:34:50,500 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:50,500 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 11:34:50,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:34:50,501 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:50,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:50,502 INFO L82 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2021-01-06 11:34:50,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:50,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991986351] [2021-01-06 11:34:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:50,645 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 11:34:50,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991986351] [2021-01-06 11:34:50,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:50,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:50,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462976097] [2021-01-06 11:34:50,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:50,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:50,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:50,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:50,652 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand 3 states. [2021-01-06 11:34:50,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:50,820 INFO L93 Difference]: Finished difference Result 239 states and 362 transitions. [2021-01-06 11:34:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:50,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-01-06 11:34:50,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:50,827 INFO L225 Difference]: With dead ends: 239 [2021-01-06 11:34:50,827 INFO L226 Difference]: Without dead ends: 134 [2021-01-06 11:34:50,829 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 11:34:50,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-01-06 11:34:50,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2021-01-06 11:34:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-01-06 11:34:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2021-01-06 11:34:50,862 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2021-01-06 11:34:50,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:50,862 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2021-01-06 11:34:50,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2021-01-06 11:34:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 11:34:50,868 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:50,869 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 11:34:50,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:34:50,869 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:50,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:50,872 INFO L82 PathProgramCache]: Analyzing trace with hash 684962052, now seen corresponding path program 1 times [2021-01-06 11:34:50,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:50,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613057014] [2021-01-06 11:34:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:50,994 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 11:34:50,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613057014] [2021-01-06 11:34:50,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:50,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:50,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712469065] [2021-01-06 11:34:50,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:50,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:50,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:50,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:50,997 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand 3 states. [2021-01-06 11:34:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:51,142 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions. [2021-01-06 11:34:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:51,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 11:34:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:51,144 INFO L225 Difference]: With dead ends: 271 [2021-01-06 11:34:51,144 INFO L226 Difference]: Without dead ends: 151 [2021-01-06 11:34:51,145 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 11:34:51,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-01-06 11:34:51,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2021-01-06 11:34:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-01-06 11:34:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2021-01-06 11:34:51,155 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2021-01-06 11:34:51,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:51,156 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2021-01-06 11:34:51,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-01-06 11:34:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 11:34:51,158 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:51,158 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 11:34:51,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:34:51,159 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:51,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash -184561774, now seen corresponding path program 1 times [2021-01-06 11:34:51,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:51,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877451529] [2021-01-06 11:34:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:51,228 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 11:34:51,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877451529] [2021-01-06 11:34:51,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:51,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:51,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727728837] [2021-01-06 11:34:51,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:51,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:51,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:51,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:51,232 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand 3 states. [2021-01-06 11:34:51,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:51,405 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions. [2021-01-06 11:34:51,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:51,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 11:34:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:51,408 INFO L225 Difference]: With dead ends: 335 [2021-01-06 11:34:51,408 INFO L226 Difference]: Without dead ends: 197 [2021-01-06 11:34:51,409 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 11:34:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-01-06 11:34:51,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2021-01-06 11:34:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-01-06 11:34:51,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2021-01-06 11:34:51,420 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68 [2021-01-06 11:34:51,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:51,421 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2021-01-06 11:34:51,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2021-01-06 11:34:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 11:34:51,423 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:51,423 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 11:34:51,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:34:51,423 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1990000108, now seen corresponding path program 1 times [2021-01-06 11:34:51,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:51,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306519472] [2021-01-06 11:34:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:51,481 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 11:34:51,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306519472] [2021-01-06 11:34:51,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:51,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:51,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571811289] [2021-01-06 11:34:51,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:51,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:51,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:51,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:51,484 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 3 states. [2021-01-06 11:34:51,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:51,644 INFO L93 Difference]: Finished difference Result 390 states and 555 transitions. [2021-01-06 11:34:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:51,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 11:34:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:51,647 INFO L225 Difference]: With dead ends: 390 [2021-01-06 11:34:51,647 INFO L226 Difference]: Without dead ends: 212 [2021-01-06 11:34:51,648 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 11:34:51,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-01-06 11:34:51,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-01-06 11:34:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2021-01-06 11:34:51,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2021-01-06 11:34:51,658 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68 [2021-01-06 11:34:51,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:51,658 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2021-01-06 11:34:51,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2021-01-06 11:34:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 11:34:51,661 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:51,661 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 11:34:51,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:34:51,662 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:51,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:51,662 INFO L82 PathProgramCache]: Analyzing trace with hash -843012112, now seen corresponding path program 1 times [2021-01-06 11:34:51,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:51,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392142487] [2021-01-06 11:34:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:51,766 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 11:34:51,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392142487] [2021-01-06 11:34:51,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:51,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:51,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887773021] [2021-01-06 11:34:51,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:51,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:51,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:51,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:51,768 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand 3 states. [2021-01-06 11:34:51,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:51,934 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2021-01-06 11:34:51,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:51,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 11:34:51,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:51,937 INFO L225 Difference]: With dead ends: 428 [2021-01-06 11:34:51,937 INFO L226 Difference]: Without dead ends: 231 [2021-01-06 11:34:51,938 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 11:34:51,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-01-06 11:34:51,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2021-01-06 11:34:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-01-06 11:34:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2021-01-06 11:34:51,947 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85 [2021-01-06 11:34:51,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:51,948 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2021-01-06 11:34:51,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2021-01-06 11:34:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 11:34:51,950 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:51,950 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 11:34:51,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:34:51,951 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:51,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:51,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1725839848, now seen corresponding path program 1 times [2021-01-06 11:34:51,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:51,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820417632] [2021-01-06 11:34:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:52,017 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 11:34:52,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820417632] [2021-01-06 11:34:52,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:52,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:52,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136982811] [2021-01-06 11:34:52,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:52,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:52,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:52,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:52,023 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand 3 states. [2021-01-06 11:34:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:52,063 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions. [2021-01-06 11:34:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:52,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 11:34:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:52,066 INFO L225 Difference]: With dead ends: 661 [2021-01-06 11:34:52,066 INFO L226 Difference]: Without dead ends: 443 [2021-01-06 11:34:52,067 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 11:34:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-01-06 11:34:52,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-01-06 11:34:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 11:34:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2021-01-06 11:34:52,081 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 105 [2021-01-06 11:34:52,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:52,082 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2021-01-06 11:34:52,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2021-01-06 11:34:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 11:34:52,084 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:52,084 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 11:34:52,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 11:34:52,084 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:52,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:52,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1889855194, now seen corresponding path program 1 times [2021-01-06 11:34:52,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:52,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063120087] [2021-01-06 11:34:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:52,143 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 11:34:52,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063120087] [2021-01-06 11:34:52,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:52,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:52,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571648820] [2021-01-06 11:34:52,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:52,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:52,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:52,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:52,147 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 3 states. [2021-01-06 11:34:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:52,182 INFO L93 Difference]: Finished difference Result 897 states and 1226 transitions. [2021-01-06 11:34:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:52,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 11:34:52,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:52,185 INFO L225 Difference]: With dead ends: 897 [2021-01-06 11:34:52,186 INFO L226 Difference]: Without dead ends: 464 [2021-01-06 11:34:52,187 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 11:34:52,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2021-01-06 11:34:52,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2021-01-06 11:34:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2021-01-06 11:34:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 633 transitions. [2021-01-06 11:34:52,203 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 633 transitions. Word has length 105 [2021-01-06 11:34:52,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:52,204 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 633 transitions. [2021-01-06 11:34:52,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 633 transitions. [2021-01-06 11:34:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 11:34:52,206 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:52,206 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] [2021-01-06 11:34:52,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 11:34:52,207 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:52,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:52,207 INFO L82 PathProgramCache]: Analyzing trace with hash -810746188, now seen corresponding path program 1 times [2021-01-06 11:34:52,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:52,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104481709] [2021-01-06 11:34:52,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:34:52,282 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 11:34:52,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104481709] [2021-01-06 11:34:52,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:34:52,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:34:52,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829406671] [2021-01-06 11:34:52,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:34:52,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:34:52,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:34:52,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:34:52,294 INFO L87 Difference]: Start difference. First operand 464 states and 633 transitions. Second operand 3 states. [2021-01-06 11:34:52,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:34:52,327 INFO L93 Difference]: Finished difference Result 945 states and 1287 transitions. [2021-01-06 11:34:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:34:52,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 11:34:52,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:34:52,331 INFO L225 Difference]: With dead ends: 945 [2021-01-06 11:34:52,331 INFO L226 Difference]: Without dead ends: 491 [2021-01-06 11:34:52,332 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 11:34:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-01-06 11:34:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-01-06 11:34:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2021-01-06 11:34:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 667 transitions. [2021-01-06 11:34:52,352 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 667 transitions. Word has length 106 [2021-01-06 11:34:52,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:34:52,352 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 667 transitions. [2021-01-06 11:34:52,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:34:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 667 transitions. [2021-01-06 11:34:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 11:34:52,356 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:34:52,356 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 11:34:52,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 11:34:52,356 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:34:52,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:34:52,358 INFO L82 PathProgramCache]: Analyzing trace with hash 625791090, now seen corresponding path program 1 times [2021-01-06 11:34:52,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:34:52,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661140752] [2021-01-06 11:34:52,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:34:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:34:52,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:34:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:34:52,505 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:34:52,590 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 11:34:52,591 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 11:34:52,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 11:34:52,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:34:52 BoogieIcfgContainer [2021-01-06 11:34:52,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:34:52,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:34:52,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:34:52,754 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:34:52,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:34:49" (3/4) ... [2021-01-06 11:34:52,757 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 11:34:52,877 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_clnt_2.cil-1.c-witness.graphml [2021-01-06 11:34:52,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:34:52,880 INFO L168 Benchmark]: Toolchain (without parser) took 4597.56 ms. Allocated memory was 169.9 MB in the beginning and 212.9 MB in the end (delta: 43.0 MB). Free memory was 151.6 MB in the beginning and 131.1 MB in the end (delta: 20.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,881 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 169.9 MB. Free memory was 143.2 MB in the beginning and 143.1 MB in the end (delta: 74.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:34:52,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.50 ms. Allocated memory is still 169.9 MB. Free memory was 151.4 MB in the beginning and 137.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.37 ms. Allocated memory is still 169.9 MB. Free memory was 137.0 MB in the beginning and 150.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,885 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 ms. Allocated memory is still 169.9 MB. Free memory was 150.8 MB in the beginning and 148.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,888 INFO L168 Benchmark]: RCFGBuilder took 905.10 ms. Allocated memory was 169.9 MB in the beginning and 212.9 MB in the end (delta: 43.0 MB). Free memory was 148.7 MB in the beginning and 193.2 MB in the end (delta: -44.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,889 INFO L168 Benchmark]: TraceAbstraction took 2951.05 ms. Allocated memory is still 212.9 MB. Free memory was 192.7 MB in the beginning and 144.8 MB in the end (delta: 47.8 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,889 INFO L168 Benchmark]: Witness Printer took 124.54 ms. Allocated memory is still 212.9 MB. Free memory was 144.8 MB in the beginning and 131.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 11:34:52,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 169.9 MB. Free memory was 143.2 MB in the beginning and 143.1 MB in the end (delta: 74.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 440.50 ms. Allocated memory is still 169.9 MB. Free memory was 151.4 MB in the beginning and 137.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 120.37 ms. Allocated memory is still 169.9 MB. Free memory was 137.0 MB in the beginning and 150.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.92 ms. Allocated memory is still 169.9 MB. Free memory was 150.8 MB in the beginning and 148.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 905.10 ms. Allocated memory was 169.9 MB in the beginning and 212.9 MB in the end (delta: 43.0 MB). Free memory was 148.7 MB in the beginning and 193.2 MB in the end (delta: -44.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2951.05 ms. Allocated memory is still 212.9 MB. Free memory was 192.7 MB in the beginning and 144.8 MB in the end (delta: 47.8 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. * Witness Printer took 124.54 ms. Allocated memory is still 212.9 MB. Free memory was 144.8 MB in the beginning and 131.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 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 = 1; [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 ; [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 ; [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 [L259] COND FALSE !(ret <= 0) [L262] s__state = 4384 [L263] s__init_num = 0 [L264] 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 [L270] ret = __VERIFIER_nondet_int() [L271] COND TRUE blastFlag == 1 [L272] blastFlag = 2 [L274] COND FALSE !(ret <= 0) [L277] COND FALSE !(\read(s__hit)) [L280] s__state = 4400 [L282] 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 [L287] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L288] COND FALSE !(__cil_tmp56 - 256UL) [L291] ret = __VERIFIER_nondet_int() [L292] COND TRUE blastFlag == 2 [L293] 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, 275 SDslu, 970 SDs, 0 SdLazy, 642 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s 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=491occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 756 NumberOfCodeBlocks, 756 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 79248 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...