/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/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:38:25,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:38:25,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:38:25,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:38:25,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:38:25,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:38:25,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:38:25,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:38:25,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:38:25,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:38:25,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:38:25,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:38:25,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:38:25,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:38:25,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:38:25,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:38:25,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:38:25,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:38:25,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:38:25,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:38:25,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:38:25,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:38:25,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:38:25,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:38:25,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:38:25,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:38:25,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:38:25,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:38:25,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:38:25,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:38:25,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:38:25,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:38:25,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:38:25,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:38:25,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:38:25,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:38:25,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:38:25,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:38:25,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:38:25,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:38:25,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:38:25,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:38:25,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:38:25,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:38:25,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:38:25,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:38:25,803 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:38:25,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:38:25,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:38:25,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:38:25,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:38:25,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:38:25,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:38:25,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:38:25,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:38:25,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:38:25,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:38:25,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:38:25,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:38:25,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:38:25,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:38:25,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:38:25,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:38:25,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:38:25,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:38:25,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:38:25,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:38:25,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:38:26,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:38:26,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:38:26,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:38:26,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:38:26,312 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:38:26,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-12-23 01:38:26,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a5562e7b1/a604fd7ed353449fa2a18e555dc7563a/FLAG482c680c4 [2020-12-23 01:38:27,296 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:38:27,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-12-23 01:38:27,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a5562e7b1/a604fd7ed353449fa2a18e555dc7563a/FLAG482c680c4 [2020-12-23 01:38:27,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a5562e7b1/a604fd7ed353449fa2a18e555dc7563a [2020-12-23 01:38:27,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:38:27,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:38:27,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:38:27,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:38:27,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:38:27,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:38:27" (1/1) ... [2020-12-23 01:38:27,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467ffef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:27, skipping insertion in model container [2020-12-23 01:38:27,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:38:27" (1/1) ... [2020-12-23 01:38:27,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:38:27,729 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[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_Y~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_Z~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__ctx__stats__sess_connect_renegotiate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__server~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__ctx__stats__sess_connect~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_X~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[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~s__state~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[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_hit~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_connect_good~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,] left hand side expression in assignment: lhs: VariableLHS[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres60~0,] [2020-12-23 01:38:28,011 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/bitvector/s3_clnt_3.BV.c.cil-2a.c[37452,37465] left hand side expression in assignment: lhs: VariableLHS[~__retres60~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] [2020-12-23 01:38:28,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:38:28,038 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[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_Y~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_Z~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__ctx__stats__sess_connect_renegotiate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__server~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__ctx__stats__sess_connect~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__shutdown~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~ag_X~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[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~skip~0,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~s__state~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[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~num1~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__rwstate~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_buf___0~0,] left hand side expression in assignment: lhs: VariableLHS[~s__init_num~0,] left hand side expression in assignment: lhs: VariableLHS[~s__new_session~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_hit~0,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~s__ctx__stats__sess_connect_good~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,] left hand side expression in assignment: lhs: VariableLHS[~s__in_handshake~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres60~0,] [2020-12-23 01:38:28,190 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/bitvector/s3_clnt_3.BV.c.cil-2a.c[37452,37465] left hand side expression in assignment: lhs: VariableLHS[~__retres60~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] [2020-12-23 01:38:28,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:38:28,230 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:38:28,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28 WrapperNode [2020-12-23 01:38:28,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:38:28,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:38:28,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:38:28,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:38:28,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:38:28,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:38:28,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:38:28,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:38:28,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... [2020-12-23 01:38:28,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:38:28,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:38:28,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:38:28,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:38:28,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:38:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:38:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:38:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:38:28,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:38:28,780 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-23 01:38:29,373 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-12-23 01:38:29,373 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-12-23 01:38:29,386 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:38:29,386 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:38:29,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:38:29 BoogieIcfgContainer [2020-12-23 01:38:29,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:38:29,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:38:29,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:38:29,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:38:29,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:38:27" (1/3) ... [2020-12-23 01:38:29,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d43f85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:38:29, skipping insertion in model container [2020-12-23 01:38:29,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:38:28" (2/3) ... [2020-12-23 01:38:29,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d43f85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:38:29, skipping insertion in model container [2020-12-23 01:38:29,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:38:29" (3/3) ... [2020-12-23 01:38:29,399 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-12-23 01:38:29,407 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:38:29,415 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:38:29,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:38:29,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:38:29,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:38:29,472 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:38:29,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:38:29,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:38:29,473 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:38:29,473 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:38:29,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:38:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-12-23 01:38:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 01:38:29,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:29,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:38:29,507 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:29,515 INFO L82 PathProgramCache]: Analyzing trace with hash 260039818, now seen corresponding path program 1 times [2020-12-23 01:38:29,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:29,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472611404] [2020-12-23 01:38:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:38:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:38:29,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472611404] [2020-12-23 01:38:29,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:38:29,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:38:29,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867614313] [2020-12-23 01:38:29,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:38:29,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:29,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:38:29,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:29,859 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 3 states. [2020-12-23 01:38:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:30,171 INFO L93 Difference]: Finished difference Result 263 states and 455 transitions. [2020-12-23 01:38:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:38:30,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-23 01:38:30,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:30,189 INFO L225 Difference]: With dead ends: 263 [2020-12-23 01:38:30,190 INFO L226 Difference]: Without dead ends: 121 [2020-12-23 01:38:30,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:30,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-23 01:38:30,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-12-23 01:38:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-12-23 01:38:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 187 transitions. [2020-12-23 01:38:30,300 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 187 transitions. Word has length 25 [2020-12-23 01:38:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:30,301 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 187 transitions. [2020-12-23 01:38:30,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:38:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 187 transitions. [2020-12-23 01:38:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 01:38:30,303 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:30,303 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] [2020-12-23 01:38:30,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:38:30,304 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:30,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:30,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1631610026, now seen corresponding path program 1 times [2020-12-23 01:38:30,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:30,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360436437] [2020-12-23 01:38:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:38:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:38:30,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360436437] [2020-12-23 01:38:30,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:38:30,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:38:30,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060938517] [2020-12-23 01:38:30,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:38:30,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:30,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:38:30,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:30,426 INFO L87 Difference]: Start difference. First operand 121 states and 187 transitions. Second operand 3 states. [2020-12-23 01:38:30,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:30,699 INFO L93 Difference]: Finished difference Result 249 states and 388 transitions. [2020-12-23 01:38:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:38:30,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 01:38:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:30,708 INFO L225 Difference]: With dead ends: 249 [2020-12-23 01:38:30,708 INFO L226 Difference]: Without dead ends: 139 [2020-12-23 01:38:30,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:30,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-12-23 01:38:30,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2020-12-23 01:38:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-12-23 01:38:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 207 transitions. [2020-12-23 01:38:30,751 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 207 transitions. Word has length 37 [2020-12-23 01:38:30,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:30,752 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 207 transitions. [2020-12-23 01:38:30,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:38:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 207 transitions. [2020-12-23 01:38:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 01:38:30,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:30,758 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] [2020-12-23 01:38:30,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:38:30,759 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:30,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:30,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1554238703, now seen corresponding path program 1 times [2020-12-23 01:38:30,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:30,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542262178] [2020-12-23 01:38:30,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:38:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:38:30,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542262178] [2020-12-23 01:38:30,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:38:30,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:38:30,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590950028] [2020-12-23 01:38:30,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:38:30,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:30,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:38:30,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:30,910 INFO L87 Difference]: Start difference. First operand 136 states and 207 transitions. Second operand 3 states. [2020-12-23 01:38:30,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:30,947 INFO L93 Difference]: Finished difference Result 287 states and 432 transitions. [2020-12-23 01:38:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:38:30,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 01:38:30,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:30,950 INFO L225 Difference]: With dead ends: 287 [2020-12-23 01:38:30,950 INFO L226 Difference]: Without dead ends: 162 [2020-12-23 01:38:30,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:30,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-12-23 01:38:30,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-12-23 01:38:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 01:38:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 240 transitions. [2020-12-23 01:38:30,964 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 240 transitions. Word has length 51 [2020-12-23 01:38:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:30,965 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 240 transitions. [2020-12-23 01:38:30,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:38:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 240 transitions. [2020-12-23 01:38:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 01:38:30,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:30,968 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] [2020-12-23 01:38:30,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:38:30,968 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:30,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:30,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1420225197, now seen corresponding path program 1 times [2020-12-23 01:38:30,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:30,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001728281] [2020-12-23 01:38:30,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:38:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:38:31,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001728281] [2020-12-23 01:38:31,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:38:31,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:38:31,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512412154] [2020-12-23 01:38:31,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:38:31,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:31,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:38:31,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:31,073 INFO L87 Difference]: Start difference. First operand 162 states and 240 transitions. Second operand 3 states. [2020-12-23 01:38:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:31,265 INFO L93 Difference]: Finished difference Result 308 states and 467 transitions. [2020-12-23 01:38:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:38:31,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 01:38:31,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:31,287 INFO L225 Difference]: With dead ends: 308 [2020-12-23 01:38:31,287 INFO L226 Difference]: Without dead ends: 183 [2020-12-23 01:38:31,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:38:31,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-12-23 01:38:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2020-12-23 01:38:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-23 01:38:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 262 transitions. [2020-12-23 01:38:31,316 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 262 transitions. Word has length 51 [2020-12-23 01:38:31,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:31,319 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 262 transitions. [2020-12-23 01:38:31,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:38:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2020-12-23 01:38:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 01:38:31,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:31,331 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, 1] [2020-12-23 01:38:31,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:38:31,331 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:31,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:31,333 INFO L82 PathProgramCache]: Analyzing trace with hash 2017552045, now seen corresponding path program 1 times [2020-12-23 01:38:31,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:31,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664537086] [2020-12-23 01:38:31,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:38:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:38:31,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664537086] [2020-12-23 01:38:31,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152577053] [2020-12-23 01:38:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:38:31,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 01:38:31,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:38:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:38:31,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:38:31,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-23 01:38:31,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209750162] [2020-12-23 01:38:31,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:38:31,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:31,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:38:31,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:38:31,885 INFO L87 Difference]: Start difference. First operand 179 states and 262 transitions. Second operand 4 states. [2020-12-23 01:38:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:32,177 INFO L93 Difference]: Finished difference Result 372 states and 564 transitions. [2020-12-23 01:38:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 01:38:32,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2020-12-23 01:38:32,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:32,180 INFO L225 Difference]: With dead ends: 372 [2020-12-23 01:38:32,181 INFO L226 Difference]: Without dead ends: 230 [2020-12-23 01:38:32,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:38:32,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-12-23 01:38:32,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 220. [2020-12-23 01:38:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-12-23 01:38:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 310 transitions. [2020-12-23 01:38:32,192 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 310 transitions. Word has length 69 [2020-12-23 01:38:32,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:32,192 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 310 transitions. [2020-12-23 01:38:32,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:38:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 310 transitions. [2020-12-23 01:38:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 01:38:32,194 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:32,194 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:38:32,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:32,408 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:32,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:32,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1495353689, now seen corresponding path program 1 times [2020-12-23 01:38:32,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:32,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702162400] [2020-12-23 01:38:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 01:38:32,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 01:38:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 01:38:32,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 01:38:32,679 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 01:38:32,679 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 01:38:32,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:38:32,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:38:32 BoogieIcfgContainer [2020-12-23 01:38:32,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:38:32,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:38:32,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:38:32,812 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:38:32,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:38:29" (3/4) ... [2020-12-23 01:38:32,816 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 01:38:33,028 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/bitvector/s3_clnt_3.BV.c.cil-2a.c-witness.graphml [2020-12-23 01:38:33,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:38:33,030 INFO L168 Benchmark]: Toolchain (without parser) took 5411.49 ms. Allocated memory was 151.0 MB in the beginning and 204.5 MB in the end (delta: 53.5 MB). Free memory was 126.4 MB in the beginning and 149.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,031 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:38:33,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 111.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.43 ms. Allocated memory is still 151.0 MB. Free memory was 111.0 MB in the beginning and 108.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,033 INFO L168 Benchmark]: Boogie Preprocessor took 78.65 ms. Allocated memory is still 151.0 MB. Free memory was 108.0 MB in the beginning and 105.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,033 INFO L168 Benchmark]: RCFGBuilder took 997.59 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 89.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,034 INFO L168 Benchmark]: TraceAbstraction took 3419.97 ms. Allocated memory was 151.0 MB in the beginning and 204.5 MB in the end (delta: 53.5 MB). Free memory was 89.3 MB in the beginning and 162.8 MB in the end (delta: -73.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,038 INFO L168 Benchmark]: Witness Printer took 216.60 ms. Allocated memory is still 204.5 MB. Free memory was 162.8 MB in the beginning and 149.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-23 01:38:33,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 611.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 111.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 76.43 ms. Allocated memory is still 151.0 MB. Free memory was 111.0 MB in the beginning and 108.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 78.65 ms. Allocated memory is still 151.0 MB. Free memory was 108.0 MB in the beginning and 105.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 997.59 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 89.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3419.97 ms. Allocated memory was 151.0 MB in the beginning and 204.5 MB in the end (delta: 53.5 MB). Free memory was 89.3 MB in the beginning and 162.8 MB in the end (delta: -73.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * Witness Printer took 216.60 ms. Allocated memory is still 204.5 MB. Free memory was 162.8 MB in the beginning and 149.1 MB in the end (delta: 13.8 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: 616]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L625] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] unsigned int s__version = __VERIFIER_nondet_uint(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 ; [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L28] unsigned int s__ctx__stats__sess_connect ; [L29] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L30] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L54] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L55] int tmp___3 = __VERIFIER_nondet_int(); [L56] int tmp___4 = __VERIFIER_nondet_int(); [L57] int tmp___5 = __VERIFIER_nondet_int(); [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z ; [L66] int __retres60 ; [L69] s__state = 12292 [L70] blastFlag = 0 [L71] tmp = __VERIFIER_nondet_int() [L72] cb = 0 [L73] ret = -1 [L74] skip = 0 [L75] tmp___0 = 0 [L76] COND TRUE s__info_callback != 0 [L77] cb = s__info_callback [L85] s__in_handshake = s__in_handshake + 1 [L86] COND FALSE !(tmp___1 + 12288) [L95] COND TRUE \read(s__hit) [L96] ag_Y = 208 [L101] COND TRUE 1 [L103] state = s__state [L104] COND TRUE s__state == 12292 [L207] s__new_session = 1 [L208] s__state = 4096 [L209] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L214] s__server = 0 [L215] COND TRUE cb != 0 [L220] COND FALSE !(s__version + 65280 != 768) [L226] s__type = 4096 [L227] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L245] COND FALSE !(! tmp___4) [L251] COND FALSE !(! tmp___5) [L257] s__state = 4368 [L258] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L259] s__init_num = 0 [L574] COND FALSE !(! s__s3__tmp__reuse_message) [L603] skip = 0 [L101] COND TRUE 1 [L103] state = s__state [L104] COND FALSE !(s__state == 12292) [L107] COND FALSE !(s__state == 16384) [L110] COND FALSE !(s__state == 4096) [L113] COND FALSE !(s__state == 20480) [L116] COND FALSE !(s__state == 4099) [L119] COND TRUE s__state == 4368 [L263] s__shutdown = 0 [L264] ret = __VERIFIER_nondet_int() [L265] COND TRUE blastFlag == 0 [L266] blastFlag = 1 [L270] COND FALSE !(ret <= 0) [L275] s__state = 4384 [L276] ag_X = s__state - 32 [L277] s__init_num = 0 [L278] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio [L574] COND FALSE !(! s__s3__tmp__reuse_message) [L603] skip = 0 [L101] COND TRUE 1 [L103] state = s__state [L104] COND FALSE !(s__state == 12292) [L107] COND FALSE !(s__state == 16384) [L110] COND FALSE !(s__state == 4096) [L113] COND FALSE !(s__state == 20480) [L116] COND FALSE !(s__state == 4099) [L119] COND FALSE !(s__state == 4368) [L122] COND FALSE !(s__state == 4369) [L125] COND TRUE s__state == 4384 [L286] ret = __VERIFIER_nondet_int() [L287] COND TRUE blastFlag == 1 [L288] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L301] s__state = ag_X [L302] COND TRUE \read(s__hit) [L303] s__state = s__state | ag_Y VAL [s__state = s__state | ag_Y=4352] [L307] s__init_num = 0 VAL [s__state = s__state | ag_Y=4352] [L574] COND FALSE !(! s__s3__tmp__reuse_message) VAL [s__state = s__state | ag_Y=4352] [L603] skip = 0 VAL [s__state = s__state | ag_Y=4352] [L101] COND TRUE 1 VAL [s__state = s__state | ag_Y=4352] [L103] state = s__state VAL [s__state = s__state | ag_Y=4352] [L104] COND FALSE !(s__state == 12292) VAL [s__state = s__state | ag_Y=4352] [L107] COND FALSE !(s__state == 16384) VAL [s__state = s__state | ag_Y=4352] [L110] COND FALSE !(s__state == 4096) VAL [s__state = s__state | ag_Y=4352] [L113] COND FALSE !(s__state == 20480) VAL [s__state = s__state | ag_Y=4352] [L116] COND FALSE !(s__state == 4099) VAL [s__state = s__state | ag_Y=4352] [L119] COND FALSE !(s__state == 4368) VAL [s__state = s__state | ag_Y=4352] [L122] COND FALSE !(s__state == 4369) VAL [s__state = s__state | ag_Y=4352] [L125] COND FALSE !(s__state == 4384) VAL [s__state = s__state | ag_Y=4352] [L128] COND FALSE !(s__state == 4385) VAL [s__state = s__state | ag_Y=4352] [L131] COND FALSE !(s__state == 4400) VAL [s__state = s__state | ag_Y=4352] [L134] COND FALSE !(s__state == 4401) VAL [s__state = s__state | ag_Y=4352] [L137] COND FALSE !(s__state == 4416) VAL [s__state = s__state | ag_Y=4352] [L140] COND FALSE !(s__state == 4417) VAL [s__state = s__state | ag_Y=4352] [L143] COND FALSE !(s__state == 4432) VAL [s__state = s__state | ag_Y=4352] [L146] COND FALSE !(s__state == 4433) VAL [s__state = s__state | ag_Y=4352] [L149] COND FALSE !(s__state == 4448) VAL [s__state = s__state | ag_Y=4352] [L152] COND FALSE !(s__state == 4449) VAL [s__state = s__state | ag_Y=4352] [L155] COND FALSE !(s__state == 4464) VAL [s__state = s__state | ag_Y=4352] [L158] COND FALSE !(s__state == 4465) VAL [s__state = s__state | ag_Y=4352] [L161] COND FALSE !(s__state == 4466) VAL [s__state = s__state | ag_Y=4352] [L164] COND FALSE !(s__state == 4467) VAL [s__state = s__state | ag_Y=4352] [L167] COND FALSE !(s__state == 4480) VAL [s__state = s__state | ag_Y=4352] [L170] COND FALSE !(s__state == 4481) VAL [s__state = s__state | ag_Y=4352] [L173] COND FALSE !(s__state == 4496) VAL [s__state = s__state | ag_Y=4352] [L176] COND FALSE !(s__state == 4497) VAL [s__state = s__state | ag_Y=4352] [L179] COND FALSE !(s__state == 4512) VAL [s__state = s__state | ag_Y=4352] [L182] COND FALSE !(s__state == 4513) VAL [s__state = s__state | ag_Y=4352] [L185] COND FALSE !(s__state == 4528) VAL [s__state = s__state | ag_Y=4352] [L188] COND FALSE !(s__state == 4529) VAL [s__state = s__state | ag_Y=4352] [L191] COND FALSE !(s__state == 4560) VAL [s__state = s__state | ag_Y=4352] [L194] COND FALSE !(s__state == 4561) VAL [s__state = s__state | ag_Y=4352] [L197] COND TRUE s__state == 4352 VAL [s__state = s__state | ag_Y=4352] [L493] COND FALSE !((long )num1 > 0L) VAL [s__state = s__state | ag_Y=4352] [L506] s__state = s__s3__tmp__next_state___0 VAL [s__state = s__state | ag_Y=4352] [L574] COND FALSE !(! s__s3__tmp__reuse_message) VAL [s__state = s__state | ag_Y=4352] [L603] skip = 0 VAL [s__state = s__state | ag_Y=4352] [L101] COND TRUE 1 VAL [s__state = s__state | ag_Y=4352] [L103] state = s__state VAL [s__state = s__state | ag_Y=4352] [L104] COND FALSE !(s__state == 12292) VAL [s__state = s__state | ag_Y=4352] [L107] COND FALSE !(s__state == 16384) VAL [s__state = s__state | ag_Y=4352] [L110] COND FALSE !(s__state == 4096) VAL [s__state = s__state | ag_Y=4352] [L113] COND FALSE !(s__state == 20480) VAL [s__state = s__state | ag_Y=4352] [L116] COND FALSE !(s__state == 4099) VAL [s__state = s__state | ag_Y=4352] [L119] COND FALSE !(s__state == 4368) VAL [s__state = s__state | ag_Y=4352] [L122] COND FALSE !(s__state == 4369) VAL [s__state = s__state | ag_Y=4352] [L125] COND FALSE !(s__state == 4384) VAL [s__state = s__state | ag_Y=4352] [L128] COND FALSE !(s__state == 4385) VAL [s__state = s__state | ag_Y=4352] [L131] COND FALSE !(s__state == 4400) VAL [s__state = s__state | ag_Y=4352] [L134] COND FALSE !(s__state == 4401) VAL [s__state = s__state | ag_Y=4352] [L137] COND FALSE !(s__state == 4416) VAL [s__state = s__state | ag_Y=4352] [L140] COND FALSE !(s__state == 4417) VAL [s__state = s__state | ag_Y=4352] [L143] COND TRUE s__state == 4432 VAL [s__state = s__state | ag_Y=4352] [L353] ret = __VERIFIER_nondet_int() [L354] COND TRUE blastFlag <= 5 VAL [s__state = s__state | ag_Y=4352] [L616] reach_error() VAL [s__state = s__state | ag_Y=4352] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 964 SDtfs, 302 SDslu, 565 SDs, 0 SdLazy, 483 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=5, 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, 5 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 31140 SizeOfPredicates, 2 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 93/117 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...