/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 02:56:28,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 02:56:28,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 02:56:28,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 02:56:28,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 02:56:28,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 02:56:28,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 02:56:28,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 02:56:28,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 02:56:28,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 02:56:28,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 02:56:28,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 02:56:28,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 02:56:28,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 02:56:28,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 02:56:28,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 02:56:28,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 02:56:28,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 02:56:28,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 02:56:28,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 02:56:28,861 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 02:56:28,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 02:56:28,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 02:56:28,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 02:56:28,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 02:56:28,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 02:56:28,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 02:56:28,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 02:56:28,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 02:56:28,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 02:56:28,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 02:56:28,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 02:56:28,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 02:56:28,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 02:56:28,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 02:56:28,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 02:56:28,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 02:56:28,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 02:56:28,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 02:56:28,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 02:56:28,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 02:56:28,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 02:56:28,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-03-20 02:56:28,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 02:56:28,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 02:56:28,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-20 02:56:28,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-20 02:56:28,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 02:56:28,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 02:56:28,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 02:56:28,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 02:56:28,900 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 02:56:28,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 02:56:28,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 02:56:28,902 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 02:56:28,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 02:56:28,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 02:56:28,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:56:28,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 02:56:28,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 02:56:28,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-20 02:56:28,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-20 02:56:28,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 02:56:28,904 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 02:56:29,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 02:56:29,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 02:56:29,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 02:56:29,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 02:56:29,107 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 02:56:29,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-1.c [2022-03-20 02:56:29,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e13f7ded/50f79223c82e4244b36f33deda1fd12f/FLAG455a0b4dc [2022-03-20 02:56:29,696 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 02:56:29,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-1.c [2022-03-20 02:56:29,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e13f7ded/50f79223c82e4244b36f33deda1fd12f/FLAG455a0b4dc [2022-03-20 02:56:30,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e13f7ded/50f79223c82e4244b36f33deda1fd12f [2022-03-20 02:56:30,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 02:56:30,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 02:56:30,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 02:56:30,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 02:56:30,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 02:56:30,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be84e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30, skipping insertion in model container [2022-03-20 02:56:30,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 02:56:30,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 02:56:30,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-03-20 02:56:30,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:56:30,538 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 02:56:30,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-03-20 02:56:30,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:56:30,672 INFO L208 MainTranslator]: Completed translation [2022-03-20 02:56:30,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30 WrapperNode [2022-03-20 02:56:30,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 02:56:30,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 02:56:30,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 02:56:30,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 02:56:30,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 02:56:30,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 02:56:30,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 02:56:30,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 02:56:30,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (1/1) ... [2022-03-20 02:56:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:56:30,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:56:30,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 02:56:30,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 02:56:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 02:56:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 02:56:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 02:56:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 02:56:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 02:56:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 02:56:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 02:56:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 02:56:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 02:56:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 02:56:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 02:56:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 02:56:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 02:56:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 02:56:31,007 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 02:56:31,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 02:56:31,686 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:56:32,048 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 02:56:32,048 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 02:56:32,058 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 02:56:32,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 02:56:32,063 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 02:56:32,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:56:32 BoogieIcfgContainer [2022-03-20 02:56:32,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 02:56:32,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 02:56:32,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 02:56:32,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 02:56:32,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 02:56:30" (1/3) ... [2022-03-20 02:56:32,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aa3afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:56:32, skipping insertion in model container [2022-03-20 02:56:32,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:56:30" (2/3) ... [2022-03-20 02:56:32,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aa3afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:56:32, skipping insertion in model container [2022-03-20 02:56:32,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:56:32" (3/3) ... [2022-03-20 02:56:32,070 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-1.c [2022-03-20 02:56:32,073 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 02:56:32,074 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 02:56:32,103 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 02:56:32,107 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 02:56:32,108 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 02:56:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 02:56:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-20 02:56:32,131 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:56:32,132 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:56:32,132 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:56:32,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:56:32,139 INFO L85 PathProgramCache]: Analyzing trace with hash -671352377, now seen corresponding path program 1 times [2022-03-20 02:56:32,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:56:32,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471936613] [2022-03-20 02:56:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:56:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:56:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:56:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:56:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:56:32,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471936613] [2022-03-20 02:56:32,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471936613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:56:32,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:56:32,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:56:32,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402538235] [2022-03-20 02:56:32,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:56:32,480 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:56:32,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:56:32,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:56:32,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:56:32,500 INFO L87 Difference]: Start difference. First operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:33,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:36,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:36,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:56:36,768 INFO L93 Difference]: Finished difference Result 430 states and 727 transitions. [2022-03-20 02:56:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:56:36,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-03-20 02:56:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:56:36,780 INFO L225 Difference]: With dead ends: 430 [2022-03-20 02:56:36,780 INFO L226 Difference]: Without dead ends: 261 [2022-03-20 02:56:36,783 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:56:36,785 INFO L913 BasicCegarLoop]: 157 mSDtfsCounter, 167 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:56:36,786 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 461 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-03-20 02:56:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-03-20 02:56:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 170. [2022-03-20 02:56:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 165 states have (on average 1.5818181818181818) internal successors, (261), 165 states have internal predecessors, (261), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 265 transitions. [2022-03-20 02:56:36,825 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 265 transitions. Word has length 42 [2022-03-20 02:56:36,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:56:36,825 INFO L478 AbstractCegarLoop]: Abstraction has 170 states and 265 transitions. [2022-03-20 02:56:36,825 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 265 transitions. [2022-03-20 02:56:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-20 02:56:36,827 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:56:36,827 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:56:36,827 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 02:56:36,827 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:56:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:56:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1244096364, now seen corresponding path program 1 times [2022-03-20 02:56:36,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:56:36,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894556567] [2022-03-20 02:56:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:56:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:56:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:56:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:56:37,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:56:37,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894556567] [2022-03-20 02:56:37,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894556567] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:56:37,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:56:37,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:56:37,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435871438] [2022-03-20 02:56:37,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:56:37,021 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:56:37,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:56:37,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:56:37,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:56:37,021 INFO L87 Difference]: Start difference. First operand 170 states and 265 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:38,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:40,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:56:41,078 INFO L93 Difference]: Finished difference Result 444 states and 697 transitions. [2022-03-20 02:56:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:56:41,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-03-20 02:56:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:56:41,081 INFO L225 Difference]: With dead ends: 444 [2022-03-20 02:56:41,081 INFO L226 Difference]: Without dead ends: 289 [2022-03-20 02:56:41,082 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:56:41,083 INFO L913 BasicCegarLoop]: 117 mSDtfsCounter, 134 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:56:41,083 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 342 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-03-20 02:56:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-03-20 02:56:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 199. [2022-03-20 02:56:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.6134020618556701) internal successors, (313), 194 states have internal predecessors, (313), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 317 transitions. [2022-03-20 02:56:41,097 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 317 transitions. Word has length 43 [2022-03-20 02:56:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:56:41,097 INFO L478 AbstractCegarLoop]: Abstraction has 199 states and 317 transitions. [2022-03-20 02:56:41,097 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 317 transitions. [2022-03-20 02:56:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-20 02:56:41,099 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:56:41,100 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:56:41,100 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 02:56:41,100 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:56:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:56:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1913847322, now seen corresponding path program 1 times [2022-03-20 02:56:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:56:41,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416386406] [2022-03-20 02:56:41,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:56:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:56:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:56:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:56:41,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:56:41,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416386406] [2022-03-20 02:56:41,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416386406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:56:41,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:56:41,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:56:41,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379953319] [2022-03-20 02:56:41,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:56:41,294 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:56:41,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:56:41,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:56:41,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:56:41,295 INFO L87 Difference]: Start difference. First operand 199 states and 317 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:43,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:45,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:46,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:56:46,398 INFO L93 Difference]: Finished difference Result 503 states and 800 transitions. [2022-03-20 02:56:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:56:46,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-03-20 02:56:46,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:56:46,400 INFO L225 Difference]: With dead ends: 503 [2022-03-20 02:56:46,400 INFO L226 Difference]: Without dead ends: 319 [2022-03-20 02:56:46,401 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:56:46,402 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 123 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:56:46,402 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 344 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-03-20 02:56:46,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-03-20 02:56:46,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 239. [2022-03-20 02:56:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 234 states have (on average 1.641025641025641) internal successors, (384), 234 states have internal predecessors, (384), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 388 transitions. [2022-03-20 02:56:46,418 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 388 transitions. Word has length 49 [2022-03-20 02:56:46,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:56:46,418 INFO L478 AbstractCegarLoop]: Abstraction has 239 states and 388 transitions. [2022-03-20 02:56:46,419 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 388 transitions. [2022-03-20 02:56:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-20 02:56:46,427 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:56:46,427 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:56:46,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 02:56:46,427 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:56:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:56:46,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1017457862, now seen corresponding path program 1 times [2022-03-20 02:56:46,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:56:46,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695871032] [2022-03-20 02:56:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:56:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:56:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:56:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:56:46,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:56:46,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695871032] [2022-03-20 02:56:46,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695871032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:56:46,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:56:46,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:56:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311662063] [2022-03-20 02:56:46,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:56:46,544 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:56:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:56:46,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:56:46,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:56:46,544 INFO L87 Difference]: Start difference. First operand 239 states and 388 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:47,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:49,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:51,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:56:52,195 INFO L93 Difference]: Finished difference Result 553 states and 890 transitions. [2022-03-20 02:56:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:56:52,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-03-20 02:56:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:56:52,197 INFO L225 Difference]: With dead ends: 553 [2022-03-20 02:56:52,197 INFO L226 Difference]: Without dead ends: 329 [2022-03-20 02:56:52,198 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:56:52,199 INFO L913 BasicCegarLoop]: 128 mSDtfsCounter, 122 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:56:52,199 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 364 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-03-20 02:56:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-03-20 02:56:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 250. [2022-03-20 02:56:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 245 states have (on average 1.653061224489796) internal successors, (405), 245 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 409 transitions. [2022-03-20 02:56:52,207 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 409 transitions. Word has length 50 [2022-03-20 02:56:52,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:56:52,207 INFO L478 AbstractCegarLoop]: Abstraction has 250 states and 409 transitions. [2022-03-20 02:56:52,207 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 409 transitions. [2022-03-20 02:56:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-20 02:56:52,209 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:56:52,209 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2022-03-20 02:56:52,209 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 02:56:52,209 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:56:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:56:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash -16045120, now seen corresponding path program 1 times [2022-03-20 02:56:52,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:56:52,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31771139] [2022-03-20 02:56:52,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:56:52,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:56:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:56:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-20 02:56:52,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:56:52,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31771139] [2022-03-20 02:56:52,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31771139] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:56:52,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:56:52,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:56:52,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374739212] [2022-03-20 02:56:52,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:56:52,347 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:56:52,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:56:52,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:56:52,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:56:52,348 INFO L87 Difference]: Start difference. First operand 250 states and 409 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:53,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:55,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:56:56,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:56:56,024 INFO L93 Difference]: Finished difference Result 513 states and 840 transitions. [2022-03-20 02:56:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:56:56,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-03-20 02:56:56,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:56:56,026 INFO L225 Difference]: With dead ends: 513 [2022-03-20 02:56:56,026 INFO L226 Difference]: Without dead ends: 278 [2022-03-20 02:56:56,027 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:56:56,027 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 22 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-03-20 02:56:56,028 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 481 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-03-20 02:56:56,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-03-20 02:56:56,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 261. [2022-03-20 02:56:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.65625) internal successors, (424), 256 states have internal predecessors, (424), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 428 transitions. [2022-03-20 02:56:56,038 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 428 transitions. Word has length 70 [2022-03-20 02:56:56,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:56:56,039 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 428 transitions. [2022-03-20 02:56:56,039 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 428 transitions. [2022-03-20 02:56:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-03-20 02:56:56,040 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:56:56,041 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2022-03-20 02:56:56,041 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 02:56:56,041 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:56:56,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:56:56,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1233059435, now seen corresponding path program 1 times [2022-03-20 02:56:56,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:56:56,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135597799] [2022-03-20 02:56:56,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:56:56,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:56:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:56:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:56:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:56:56,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:56:56,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135597799] [2022-03-20 02:56:56,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135597799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:56:56,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:56:56,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:56:56,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981316729] [2022-03-20 02:56:56,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:56:56,177 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:56:56,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:56:56,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:56:56,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:56:56,178 INFO L87 Difference]: Start difference. First operand 261 states and 428 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:56:58,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:00,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:01,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:01,248 INFO L93 Difference]: Finished difference Result 513 states and 839 transitions. [2022-03-20 02:57:01,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:01,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-03-20 02:57:01,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:01,249 INFO L225 Difference]: With dead ends: 513 [2022-03-20 02:57:01,250 INFO L226 Difference]: Without dead ends: 278 [2022-03-20 02:57:01,250 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:01,251 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 24 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:01,251 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 483 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 363 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-03-20 02:57:01,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-03-20 02:57:01,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 261. [2022-03-20 02:57:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.65234375) internal successors, (423), 256 states have internal predecessors, (423), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 427 transitions. [2022-03-20 02:57:01,257 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 427 transitions. Word has length 83 [2022-03-20 02:57:01,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:01,257 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 427 transitions. [2022-03-20 02:57:01,257 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 427 transitions. [2022-03-20 02:57:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-20 02:57:01,258 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:01,258 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:01,258 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 02:57:01,258 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:01,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:01,259 INFO L85 PathProgramCache]: Analyzing trace with hash -522284645, now seen corresponding path program 1 times [2022-03-20 02:57:01,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:01,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7139686] [2022-03-20 02:57:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:01,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:01,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:01,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7139686] [2022-03-20 02:57:01,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7139686] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:01,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:01,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:01,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270148157] [2022-03-20 02:57:01,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:01,376 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:01,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:01,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:01,377 INFO L87 Difference]: Start difference. First operand 261 states and 427 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:04,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:04,467 INFO L93 Difference]: Finished difference Result 574 states and 927 transitions. [2022-03-20 02:57:04,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:04,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-03-20 02:57:04,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:04,469 INFO L225 Difference]: With dead ends: 574 [2022-03-20 02:57:04,470 INFO L226 Difference]: Without dead ends: 339 [2022-03-20 02:57:04,470 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:04,471 INFO L913 BasicCegarLoop]: 129 mSDtfsCounter, 150 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:04,471 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 366 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-03-20 02:57:04,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-03-20 02:57:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 261. [2022-03-20 02:57:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.63671875) internal successors, (419), 256 states have internal predecessors, (419), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 423 transitions. [2022-03-20 02:57:04,476 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 423 transitions. Word has length 84 [2022-03-20 02:57:04,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:04,477 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 423 transitions. [2022-03-20 02:57:04,477 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 423 transitions. [2022-03-20 02:57:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-20 02:57:04,478 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:04,478 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:04,478 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 02:57:04,478 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:04,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:04,478 INFO L85 PathProgramCache]: Analyzing trace with hash 725507119, now seen corresponding path program 1 times [2022-03-20 02:57:04,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:04,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307048212] [2022-03-20 02:57:04,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:04,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:04,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:04,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307048212] [2022-03-20 02:57:04,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307048212] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:04,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:04,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:04,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114216131] [2022-03-20 02:57:04,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:04,603 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:04,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:04,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:04,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:04,603 INFO L87 Difference]: Start difference. First operand 261 states and 423 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:05,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:07,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:08,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:08,018 INFO L93 Difference]: Finished difference Result 574 states and 920 transitions. [2022-03-20 02:57:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:08,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-03-20 02:57:08,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:08,020 INFO L225 Difference]: With dead ends: 574 [2022-03-20 02:57:08,020 INFO L226 Difference]: Without dead ends: 339 [2022-03-20 02:57:08,021 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:08,021 INFO L913 BasicCegarLoop]: 129 mSDtfsCounter, 148 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:08,021 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 366 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-03-20 02:57:08,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-03-20 02:57:08,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 261. [2022-03-20 02:57:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.62109375) internal successors, (415), 256 states have internal predecessors, (415), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:08,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 419 transitions. [2022-03-20 02:57:08,027 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 419 transitions. Word has length 84 [2022-03-20 02:57:08,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:08,028 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 419 transitions. [2022-03-20 02:57:08,028 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 419 transitions. [2022-03-20 02:57:08,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-20 02:57:08,028 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:08,029 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2022-03-20 02:57:08,029 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 02:57:08,029 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:08,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1148494374, now seen corresponding path program 1 times [2022-03-20 02:57:08,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:08,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582837424] [2022-03-20 02:57:08,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:08,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:08,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:08,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582837424] [2022-03-20 02:57:08,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582837424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:08,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:08,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:08,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624948019] [2022-03-20 02:57:08,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:08,128 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:08,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:08,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:08,128 INFO L87 Difference]: Start difference. First operand 261 states and 419 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:10,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:12,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:13,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:13,487 INFO L93 Difference]: Finished difference Result 510 states and 821 transitions. [2022-03-20 02:57:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:13,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-03-20 02:57:13,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:13,489 INFO L225 Difference]: With dead ends: 510 [2022-03-20 02:57:13,489 INFO L226 Difference]: Without dead ends: 275 [2022-03-20 02:57:13,489 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:13,490 INFO L913 BasicCegarLoop]: 190 mSDtfsCounter, 20 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:13,490 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 489 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-03-20 02:57:13,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-03-20 02:57:13,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 261. [2022-03-20 02:57:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.6171875) internal successors, (414), 256 states have internal predecessors, (414), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 418 transitions. [2022-03-20 02:57:13,496 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 418 transitions. Word has length 84 [2022-03-20 02:57:13,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:13,496 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 418 transitions. [2022-03-20 02:57:13,496 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 418 transitions. [2022-03-20 02:57:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-20 02:57:13,497 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:13,497 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2022-03-20 02:57:13,497 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 02:57:13,497 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:13,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:13,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1158470119, now seen corresponding path program 1 times [2022-03-20 02:57:13,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:13,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127252267] [2022-03-20 02:57:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:13,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:13,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:13,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127252267] [2022-03-20 02:57:13,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127252267] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:13,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:13,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:13,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720423215] [2022-03-20 02:57:13,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:13,583 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:13,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:13,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:13,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:13,584 INFO L87 Difference]: Start difference. First operand 261 states and 418 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:14,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:16,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:18,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:19,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:19,264 INFO L93 Difference]: Finished difference Result 573 states and 911 transitions. [2022-03-20 02:57:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:19,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-03-20 02:57:19,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:19,266 INFO L225 Difference]: With dead ends: 573 [2022-03-20 02:57:19,266 INFO L226 Difference]: Without dead ends: 338 [2022-03-20 02:57:19,266 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:19,267 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 141 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:19,267 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 368 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 483 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-03-20 02:57:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-03-20 02:57:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 261. [2022-03-20 02:57:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.6015625) internal successors, (410), 256 states have internal predecessors, (410), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 414 transitions. [2022-03-20 02:57:19,272 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 414 transitions. Word has length 84 [2022-03-20 02:57:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:19,273 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 414 transitions. [2022-03-20 02:57:19,273 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 414 transitions. [2022-03-20 02:57:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-03-20 02:57:19,273 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:19,274 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:19,274 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 02:57:19,274 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:19,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1113618796, now seen corresponding path program 1 times [2022-03-20 02:57:19,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:19,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235550087] [2022-03-20 02:57:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:19,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:19,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:19,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235550087] [2022-03-20 02:57:19,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235550087] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:19,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:19,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:19,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017650522] [2022-03-20 02:57:19,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:19,360 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:19,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:19,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:19,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:19,361 INFO L87 Difference]: Start difference. First operand 261 states and 414 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:21,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:21,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:21,855 INFO L93 Difference]: Finished difference Result 509 states and 812 transitions. [2022-03-20 02:57:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:21,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2022-03-20 02:57:21,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:21,857 INFO L225 Difference]: With dead ends: 509 [2022-03-20 02:57:21,857 INFO L226 Difference]: Without dead ends: 274 [2022-03-20 02:57:21,857 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:21,858 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 22 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:21,858 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 491 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:57:21,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-03-20 02:57:21,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 261. [2022-03-20 02:57:21,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.59765625) internal successors, (409), 256 states have internal predecessors, (409), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 413 transitions. [2022-03-20 02:57:21,863 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 413 transitions. Word has length 85 [2022-03-20 02:57:21,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:21,863 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 413 transitions. [2022-03-20 02:57:21,863 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:21,863 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 413 transitions. [2022-03-20 02:57:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-03-20 02:57:21,864 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:21,864 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:21,864 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 02:57:21,864 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:21,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:21,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1037364332, now seen corresponding path program 1 times [2022-03-20 02:57:21,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:21,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589249523] [2022-03-20 02:57:21,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:21,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:21,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589249523] [2022-03-20 02:57:21,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589249523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:21,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:21,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:21,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734387004] [2022-03-20 02:57:21,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:21,957 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:21,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:21,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:21,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:21,958 INFO L87 Difference]: Start difference. First operand 261 states and 413 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:23,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:24,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:24,406 INFO L93 Difference]: Finished difference Result 573 states and 903 transitions. [2022-03-20 02:57:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 86 [2022-03-20 02:57:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:24,408 INFO L225 Difference]: With dead ends: 573 [2022-03-20 02:57:24,408 INFO L226 Difference]: Without dead ends: 338 [2022-03-20 02:57:24,408 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:24,409 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 144 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:24,409 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 368 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:57:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-03-20 02:57:24,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 261. [2022-03-20 02:57:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.58203125) internal successors, (405), 256 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 409 transitions. [2022-03-20 02:57:24,414 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 409 transitions. Word has length 86 [2022-03-20 02:57:24,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:24,414 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 409 transitions. [2022-03-20 02:57:24,415 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 409 transitions. [2022-03-20 02:57:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-20 02:57:24,415 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:24,415 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:24,416 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 02:57:24,416 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:24,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:24,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1713860263, now seen corresponding path program 1 times [2022-03-20 02:57:24,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:24,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995347506] [2022-03-20 02:57:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:24,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:24,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995347506] [2022-03-20 02:57:24,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995347506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:24,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:24,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:24,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145739189] [2022-03-20 02:57:24,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:24,503 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:24,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:24,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:24,504 INFO L87 Difference]: Start difference. First operand 261 states and 409 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:25,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:26,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:29,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:30,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:30,026 INFO L93 Difference]: Finished difference Result 499 states and 791 transitions. [2022-03-20 02:57:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:30,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-03-20 02:57:30,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:30,028 INFO L225 Difference]: With dead ends: 499 [2022-03-20 02:57:30,028 INFO L226 Difference]: Without dead ends: 264 [2022-03-20 02:57:30,028 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:30,029 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 11 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:30,029 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 505 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 341 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 02:57:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-03-20 02:57:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 261. [2022-03-20 02:57:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.578125) internal successors, (404), 256 states have internal predecessors, (404), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 408 transitions. [2022-03-20 02:57:30,034 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 408 transitions. Word has length 87 [2022-03-20 02:57:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:30,034 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 408 transitions. [2022-03-20 02:57:30,034 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 408 transitions. [2022-03-20 02:57:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-20 02:57:30,035 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:30,035 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:30,035 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 02:57:30,035 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:30,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:30,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1127555326, now seen corresponding path program 1 times [2022-03-20 02:57:30,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:30,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967517216] [2022-03-20 02:57:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:30,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-20 02:57:30,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:30,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967517216] [2022-03-20 02:57:30,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967517216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:30,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:30,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:30,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157734143] [2022-03-20 02:57:30,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:30,134 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:30,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:30,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:30,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:30,135 INFO L87 Difference]: Start difference. First operand 261 states and 408 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:32,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:32,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:32,503 INFO L93 Difference]: Finished difference Result 537 states and 846 transitions. [2022-03-20 02:57:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:32,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-03-20 02:57:32,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:32,505 INFO L225 Difference]: With dead ends: 537 [2022-03-20 02:57:32,505 INFO L226 Difference]: Without dead ends: 302 [2022-03-20 02:57:32,505 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:32,506 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 30 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:32,506 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 507 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:57:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-03-20 02:57:32,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 283. [2022-03-20 02:57:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.5755395683453237) internal successors, (438), 278 states have internal predecessors, (438), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 442 transitions. [2022-03-20 02:57:32,511 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 442 transitions. Word has length 87 [2022-03-20 02:57:32,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:32,512 INFO L478 AbstractCegarLoop]: Abstraction has 283 states and 442 transitions. [2022-03-20 02:57:32,512 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2022-03-20 02:57:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-20 02:57:32,512 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:32,513 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:32,513 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 02:57:32,513 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:32,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:32,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1766336105, now seen corresponding path program 1 times [2022-03-20 02:57:32,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:32,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982970787] [2022-03-20 02:57:32,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:32,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:32,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:32,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982970787] [2022-03-20 02:57:32,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982970787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:32,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:32,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:32,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241789890] [2022-03-20 02:57:32,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:32,597 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:32,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:32,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:32,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:32,597 INFO L87 Difference]: Start difference. First operand 283 states and 442 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:35,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:37,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:38,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:38,144 INFO L93 Difference]: Finished difference Result 657 states and 1030 transitions. [2022-03-20 02:57:38,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:38,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-03-20 02:57:38,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:38,146 INFO L225 Difference]: With dead ends: 657 [2022-03-20 02:57:38,146 INFO L226 Difference]: Without dead ends: 400 [2022-03-20 02:57:38,146 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:38,147 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 142 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:38,147 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 368 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 02:57:38,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-03-20 02:57:38,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 299. [2022-03-20 02:57:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.5578231292517006) internal successors, (458), 294 states have internal predecessors, (458), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 462 transitions. [2022-03-20 02:57:38,152 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 462 transitions. Word has length 100 [2022-03-20 02:57:38,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:38,152 INFO L478 AbstractCegarLoop]: Abstraction has 299 states and 462 transitions. [2022-03-20 02:57:38,153 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:38,153 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 462 transitions. [2022-03-20 02:57:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-03-20 02:57:38,153 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:38,153 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:38,154 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 02:57:38,154 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash 500201960, now seen corresponding path program 1 times [2022-03-20 02:57:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:38,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976321796] [2022-03-20 02:57:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:38,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:38,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976321796] [2022-03-20 02:57:38,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976321796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:38,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:38,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:38,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604827325] [2022-03-20 02:57:38,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:38,254 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:38,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:38,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:38,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:38,255 INFO L87 Difference]: Start difference. First operand 299 states and 462 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:39,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:40,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:42,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:42,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:42,772 INFO L93 Difference]: Finished difference Result 649 states and 1003 transitions. [2022-03-20 02:57:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:42,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 101 [2022-03-20 02:57:42,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:42,774 INFO L225 Difference]: With dead ends: 649 [2022-03-20 02:57:42,774 INFO L226 Difference]: Without dead ends: 376 [2022-03-20 02:57:42,775 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:42,775 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 141 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:42,775 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 368 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-03-20 02:57:42,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-03-20 02:57:42,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 299. [2022-03-20 02:57:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.5442176870748299) internal successors, (454), 294 states have internal predecessors, (454), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 458 transitions. [2022-03-20 02:57:42,781 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 458 transitions. Word has length 101 [2022-03-20 02:57:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:42,781 INFO L478 AbstractCegarLoop]: Abstraction has 299 states and 458 transitions. [2022-03-20 02:57:42,781 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 458 transitions. [2022-03-20 02:57:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-03-20 02:57:42,782 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:42,782 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:42,782 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 02:57:42,782 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:42,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash 264152850, now seen corresponding path program 1 times [2022-03-20 02:57:42,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:42,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419462231] [2022-03-20 02:57:42,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:42,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-20 02:57:42,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:42,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419462231] [2022-03-20 02:57:42,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419462231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:42,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:42,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:42,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377178858] [2022-03-20 02:57:42,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:42,879 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:42,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:42,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:42,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:42,879 INFO L87 Difference]: Start difference. First operand 299 states and 458 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:44,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:45,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:47,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:48,128 INFO L93 Difference]: Finished difference Result 584 states and 901 transitions. [2022-03-20 02:57:48,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:48,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 102 [2022-03-20 02:57:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:48,129 INFO L225 Difference]: With dead ends: 584 [2022-03-20 02:57:48,129 INFO L226 Difference]: Without dead ends: 311 [2022-03-20 02:57:48,130 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:48,130 INFO L913 BasicCegarLoop]: 227 mSDtfsCounter, 19 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:48,130 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 568 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-03-20 02:57:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2022-03-20 02:57:48,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 299. [2022-03-20 02:57:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.5408163265306123) internal successors, (453), 294 states have internal predecessors, (453), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 457 transitions. [2022-03-20 02:57:48,136 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 457 transitions. Word has length 102 [2022-03-20 02:57:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:48,136 INFO L478 AbstractCegarLoop]: Abstraction has 299 states and 457 transitions. [2022-03-20 02:57:48,136 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 457 transitions. [2022-03-20 02:57:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-03-20 02:57:48,137 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:48,137 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:48,137 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 02:57:48,137 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:48,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash -590509467, now seen corresponding path program 1 times [2022-03-20 02:57:48,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:48,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583514973] [2022-03-20 02:57:48,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:48,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:48,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:48,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583514973] [2022-03-20 02:57:48,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583514973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:48,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:48,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:48,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751586189] [2022-03-20 02:57:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:48,223 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:48,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:48,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:48,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:48,223 INFO L87 Difference]: Start difference. First operand 299 states and 457 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:50,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:50,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:50,577 INFO L93 Difference]: Finished difference Result 589 states and 907 transitions. [2022-03-20 02:57:50,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:50,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 103 [2022-03-20 02:57:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:50,578 INFO L225 Difference]: With dead ends: 589 [2022-03-20 02:57:50,579 INFO L226 Difference]: Without dead ends: 316 [2022-03-20 02:57:50,579 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:50,580 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 36 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:50,580 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 511 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:57:50,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-03-20 02:57:50,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2022-03-20 02:57:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.5374149659863945) internal successors, (452), 294 states have internal predecessors, (452), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 456 transitions. [2022-03-20 02:57:50,585 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 456 transitions. Word has length 103 [2022-03-20 02:57:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:50,585 INFO L478 AbstractCegarLoop]: Abstraction has 299 states and 456 transitions. [2022-03-20 02:57:50,585 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 456 transitions. [2022-03-20 02:57:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-20 02:57:50,586 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:50,586 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:57:50,586 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 02:57:50,586 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:50,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash 708251584, now seen corresponding path program 1 times [2022-03-20 02:57:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:50,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810682358] [2022-03-20 02:57:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-20 02:57:50,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:50,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810682358] [2022-03-20 02:57:50,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810682358] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:50,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:50,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:50,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460649099] [2022-03-20 02:57:50,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:50,671 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:50,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:50,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:50,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:50,672 INFO L87 Difference]: Start difference. First operand 299 states and 456 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:52,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:54,778 INFO L93 Difference]: Finished difference Result 579 states and 892 transitions. [2022-03-20 02:57:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 105 [2022-03-20 02:57:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:54,780 INFO L225 Difference]: With dead ends: 579 [2022-03-20 02:57:54,780 INFO L226 Difference]: Without dead ends: 306 [2022-03-20 02:57:54,780 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:54,781 INFO L913 BasicCegarLoop]: 206 mSDtfsCounter, 26 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:54,781 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 525 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 374 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-03-20 02:57:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-03-20 02:57:54,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 299. [2022-03-20 02:57:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.534013605442177) internal successors, (451), 294 states have internal predecessors, (451), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 455 transitions. [2022-03-20 02:57:54,786 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 455 transitions. Word has length 105 [2022-03-20 02:57:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:54,786 INFO L478 AbstractCegarLoop]: Abstraction has 299 states and 455 transitions. [2022-03-20 02:57:54,786 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 455 transitions. [2022-03-20 02:57:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-03-20 02:57:54,787 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:54,787 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:57:54,787 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 02:57:54,787 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:54,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:54,788 INFO L85 PathProgramCache]: Analyzing trace with hash -953511784, now seen corresponding path program 1 times [2022-03-20 02:57:54,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:54,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89397121] [2022-03-20 02:57:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:54,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:57:54,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:54,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89397121] [2022-03-20 02:57:54,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89397121] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:54,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:54,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:54,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158772956] [2022-03-20 02:57:54,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:54,885 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:54,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:54,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:54,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:54,885 INFO L87 Difference]: Start difference. First operand 299 states and 455 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:57,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:59,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:57:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:57:59,812 INFO L93 Difference]: Finished difference Result 659 states and 1007 transitions. [2022-03-20 02:57:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:57:59,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 109 [2022-03-20 02:57:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:57:59,814 INFO L225 Difference]: With dead ends: 659 [2022-03-20 02:57:59,814 INFO L226 Difference]: Without dead ends: 386 [2022-03-20 02:57:59,815 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:57:59,815 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 80 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-20 02:57:59,815 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 493 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 497 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-03-20 02:57:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-03-20 02:57:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 327. [2022-03-20 02:57:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 322 states have (on average 1.531055900621118) internal successors, (493), 322 states have internal predecessors, (493), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 497 transitions. [2022-03-20 02:57:59,820 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 497 transitions. Word has length 109 [2022-03-20 02:57:59,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:57:59,821 INFO L478 AbstractCegarLoop]: Abstraction has 327 states and 497 transitions. [2022-03-20 02:57:59,821 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:57:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 497 transitions. [2022-03-20 02:57:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-03-20 02:57:59,821 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:57:59,821 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:57:59,822 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 02:57:59,822 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:57:59,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:57:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1008062874, now seen corresponding path program 1 times [2022-03-20 02:57:59,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:57:59,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249947743] [2022-03-20 02:57:59,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:57:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:57:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:57:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:57:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:57:59,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:57:59,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249947743] [2022-03-20 02:57:59,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249947743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:57:59,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:57:59,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:57:59,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64578468] [2022-03-20 02:57:59,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:57:59,932 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:57:59,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:57:59,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:57:59,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:57:59,933 INFO L87 Difference]: Start difference. First operand 327 states and 497 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:01,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:03,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:05,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:05,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:05,524 INFO L93 Difference]: Finished difference Result 745 states and 1138 transitions. [2022-03-20 02:58:05,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:05,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 109 [2022-03-20 02:58:05,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:05,526 INFO L225 Difference]: With dead ends: 745 [2022-03-20 02:58:05,526 INFO L226 Difference]: Without dead ends: 444 [2022-03-20 02:58:05,526 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:05,527 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 131 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:05,527 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 368 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-03-20 02:58:05,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-03-20 02:58:05,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 325. [2022-03-20 02:58:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 320 states have (on average 1.528125) internal successors, (489), 320 states have internal predecessors, (489), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 493 transitions. [2022-03-20 02:58:05,533 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 493 transitions. Word has length 109 [2022-03-20 02:58:05,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:05,533 INFO L478 AbstractCegarLoop]: Abstraction has 325 states and 493 transitions. [2022-03-20 02:58:05,533 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 493 transitions. [2022-03-20 02:58:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-20 02:58:05,534 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:05,534 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:58:05,534 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 02:58:05,534 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:05,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1785226605, now seen corresponding path program 1 times [2022-03-20 02:58:05,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:05,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912398165] [2022-03-20 02:58:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:05,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:58:05,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:05,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912398165] [2022-03-20 02:58:05,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912398165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:05,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:05,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:05,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197132019] [2022-03-20 02:58:05,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:05,625 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:05,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:05,626 INFO L87 Difference]: Start difference. First operand 325 states and 493 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:08,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:11,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:11,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:11,428 INFO L93 Difference]: Finished difference Result 709 states and 1079 transitions. [2022-03-20 02:58:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:11,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-03-20 02:58:11,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:11,430 INFO L225 Difference]: With dead ends: 709 [2022-03-20 02:58:11,430 INFO L226 Difference]: Without dead ends: 410 [2022-03-20 02:58:11,431 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:11,431 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 77 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:11,431 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 493 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-03-20 02:58:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-03-20 02:58:11,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 354. [2022-03-20 02:58:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 349 states have (on average 1.524355300859599) internal successors, (532), 349 states have internal predecessors, (532), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 536 transitions. [2022-03-20 02:58:11,437 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 536 transitions. Word has length 110 [2022-03-20 02:58:11,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:11,437 INFO L478 AbstractCegarLoop]: Abstraction has 354 states and 536 transitions. [2022-03-20 02:58:11,437 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 536 transitions. [2022-03-20 02:58:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-20 02:58:11,438 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:11,438 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-03-20 02:58:11,438 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-20 02:58:11,438 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:11,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash -863733163, now seen corresponding path program 1 times [2022-03-20 02:58:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:11,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727750843] [2022-03-20 02:58:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:58:11,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:11,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727750843] [2022-03-20 02:58:11,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727750843] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:11,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:11,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:11,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682838142] [2022-03-20 02:58:11,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:11,560 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:11,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:11,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:11,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:11,561 INFO L87 Difference]: Start difference. First operand 354 states and 536 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:13,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:15,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:17,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:17,063 INFO L93 Difference]: Finished difference Result 735 states and 1117 transitions. [2022-03-20 02:58:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:17,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-03-20 02:58:17,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:17,065 INFO L225 Difference]: With dead ends: 735 [2022-03-20 02:58:17,065 INFO L226 Difference]: Without dead ends: 407 [2022-03-20 02:58:17,066 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:17,066 INFO L913 BasicCegarLoop]: 192 mSDtfsCounter, 70 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:17,066 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 499 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 02:58:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-03-20 02:58:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 359. [2022-03-20 02:58:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 354 states have (on average 1.5225988700564972) internal successors, (539), 354 states have internal predecessors, (539), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 543 transitions. [2022-03-20 02:58:17,072 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 543 transitions. Word has length 110 [2022-03-20 02:58:17,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:17,072 INFO L478 AbstractCegarLoop]: Abstraction has 359 states and 543 transitions. [2022-03-20 02:58:17,072 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 543 transitions. [2022-03-20 02:58:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-20 02:58:17,073 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:17,073 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:58:17,073 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-20 02:58:17,073 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:17,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1830468437, now seen corresponding path program 1 times [2022-03-20 02:58:17,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:17,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407994376] [2022-03-20 02:58:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-20 02:58:17,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:17,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407994376] [2022-03-20 02:58:17,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407994376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:17,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:17,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:17,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523323953] [2022-03-20 02:58:17,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:17,165 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:17,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:17,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:17,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:17,165 INFO L87 Difference]: Start difference. First operand 359 states and 543 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:19,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:20,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:22,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:22,762 INFO L93 Difference]: Finished difference Result 738 states and 1123 transitions. [2022-03-20 02:58:22,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:22,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-03-20 02:58:22,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:22,764 INFO L225 Difference]: With dead ends: 738 [2022-03-20 02:58:22,764 INFO L226 Difference]: Without dead ends: 405 [2022-03-20 02:58:22,764 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:22,765 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 36 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:22,765 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 603 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-03-20 02:58:22,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-03-20 02:58:22,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 383. [2022-03-20 02:58:22,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 378 states have (on average 1.5211640211640212) internal successors, (575), 378 states have internal predecessors, (575), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 579 transitions. [2022-03-20 02:58:22,771 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 579 transitions. Word has length 110 [2022-03-20 02:58:22,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:22,771 INFO L478 AbstractCegarLoop]: Abstraction has 383 states and 579 transitions. [2022-03-20 02:58:22,771 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 579 transitions. [2022-03-20 02:58:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-03-20 02:58:22,772 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:22,772 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2022-03-20 02:58:22,772 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-20 02:58:22,772 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:22,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:22,772 INFO L85 PathProgramCache]: Analyzing trace with hash 352037614, now seen corresponding path program 1 times [2022-03-20 02:58:22,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:22,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871087963] [2022-03-20 02:58:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:58:22,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:22,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871087963] [2022-03-20 02:58:22,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871087963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:22,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:22,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:22,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597910744] [2022-03-20 02:58:22,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:22,886 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:22,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:22,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:22,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:22,887 INFO L87 Difference]: Start difference. First operand 383 states and 579 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:24,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:26,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:28,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:29,915 INFO L93 Difference]: Finished difference Result 857 states and 1301 transitions. [2022-03-20 02:58:29,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:29,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-03-20 02:58:29,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:29,917 INFO L225 Difference]: With dead ends: 857 [2022-03-20 02:58:29,917 INFO L226 Difference]: Without dead ends: 500 [2022-03-20 02:58:29,917 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:29,918 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 120 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 59 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:29,918 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 346 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-03-20 02:58:29,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-03-20 02:58:29,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 420. [2022-03-20 02:58:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 415 states have (on average 1.5253012048192771) internal successors, (633), 415 states have internal predecessors, (633), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 637 transitions. [2022-03-20 02:58:29,925 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 637 transitions. Word has length 122 [2022-03-20 02:58:29,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:29,925 INFO L478 AbstractCegarLoop]: Abstraction has 420 states and 637 transitions. [2022-03-20 02:58:29,925 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 637 transitions. [2022-03-20 02:58:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-03-20 02:58:29,926 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:29,926 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2022-03-20 02:58:29,926 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 02:58:29,926 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:29,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:29,926 INFO L85 PathProgramCache]: Analyzing trace with hash 988315678, now seen corresponding path program 1 times [2022-03-20 02:58:29,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:29,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700675283] [2022-03-20 02:58:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:58:30,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:30,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700675283] [2022-03-20 02:58:30,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700675283] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:30,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:30,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:30,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185056280] [2022-03-20 02:58:30,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:30,012 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:30,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:30,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:30,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:30,013 INFO L87 Difference]: Start difference. First operand 420 states and 637 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:32,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:35,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:35,484 INFO L93 Difference]: Finished difference Result 891 states and 1353 transitions. [2022-03-20 02:58:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-03-20 02:58:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:35,485 INFO L225 Difference]: With dead ends: 891 [2022-03-20 02:58:35,486 INFO L226 Difference]: Without dead ends: 497 [2022-03-20 02:58:35,486 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:35,487 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 119 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:35,487 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 346 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 471 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-03-20 02:58:35,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-03-20 02:58:35,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 420. [2022-03-20 02:58:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 415 states have (on average 1.5204819277108435) internal successors, (631), 415 states have internal predecessors, (631), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:35,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 635 transitions. [2022-03-20 02:58:35,493 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 635 transitions. Word has length 123 [2022-03-20 02:58:35,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:35,494 INFO L478 AbstractCegarLoop]: Abstraction has 420 states and 635 transitions. [2022-03-20 02:58:35,494 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 635 transitions. [2022-03-20 02:58:35,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-03-20 02:58:35,494 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:35,495 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-03-20 02:58:35,495 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 02:58:35,495 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:35,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:35,495 INFO L85 PathProgramCache]: Analyzing trace with hash 863474282, now seen corresponding path program 1 times [2022-03-20 02:58:35,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:35,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536913783] [2022-03-20 02:58:35,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:35,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-20 02:58:35,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:35,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536913783] [2022-03-20 02:58:35,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536913783] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:35,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:35,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:35,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343977447] [2022-03-20 02:58:35,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:35,628 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:35,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:35,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:35,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:35,629 INFO L87 Difference]: Start difference. First operand 420 states and 635 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:38,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:38,923 INFO L93 Difference]: Finished difference Result 860 states and 1303 transitions. [2022-03-20 02:58:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:38,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 126 [2022-03-20 02:58:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:38,925 INFO L225 Difference]: With dead ends: 860 [2022-03-20 02:58:38,925 INFO L226 Difference]: Without dead ends: 466 [2022-03-20 02:58:38,926 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:38,926 INFO L913 BasicCegarLoop]: 206 mSDtfsCounter, 85 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:38,926 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 525 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-03-20 02:58:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-03-20 02:58:38,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 420. [2022-03-20 02:58:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 415 states have (on average 1.5180722891566265) internal successors, (630), 415 states have internal predecessors, (630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 634 transitions. [2022-03-20 02:58:38,932 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 634 transitions. Word has length 126 [2022-03-20 02:58:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:38,933 INFO L478 AbstractCegarLoop]: Abstraction has 420 states and 634 transitions. [2022-03-20 02:58:38,933 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 634 transitions. [2022-03-20 02:58:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-03-20 02:58:38,934 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:38,934 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-03-20 02:58:38,934 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-20 02:58:38,934 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1702507944, now seen corresponding path program 1 times [2022-03-20 02:58:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:38,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559168821] [2022-03-20 02:58:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-20 02:58:39,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:39,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559168821] [2022-03-20 02:58:39,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559168821] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:39,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:39,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:39,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305780948] [2022-03-20 02:58:39,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:39,030 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:39,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:39,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:39,031 INFO L87 Difference]: Start difference. First operand 420 states and 634 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:41,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:43,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:43,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:43,586 INFO L93 Difference]: Finished difference Result 836 states and 1268 transitions. [2022-03-20 02:58:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:43,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 126 [2022-03-20 02:58:43,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:43,588 INFO L225 Difference]: With dead ends: 836 [2022-03-20 02:58:43,588 INFO L226 Difference]: Without dead ends: 442 [2022-03-20 02:58:43,589 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:43,589 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 46 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:43,589 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 603 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 454 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-03-20 02:58:43,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-03-20 02:58:43,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 420. [2022-03-20 02:58:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 415 states have (on average 1.5156626506024096) internal successors, (629), 415 states have internal predecessors, (629), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 633 transitions. [2022-03-20 02:58:43,595 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 633 transitions. Word has length 126 [2022-03-20 02:58:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:43,595 INFO L478 AbstractCegarLoop]: Abstraction has 420 states and 633 transitions. [2022-03-20 02:58:43,595 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 633 transitions. [2022-03-20 02:58:43,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-03-20 02:58:43,596 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:43,596 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-03-20 02:58:43,597 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-20 02:58:43,597 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:43,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1245189615, now seen corresponding path program 1 times [2022-03-20 02:58:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:43,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079563805] [2022-03-20 02:58:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:43,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-20 02:58:43,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:43,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079563805] [2022-03-20 02:58:43,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079563805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:43,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:43,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:43,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826572498] [2022-03-20 02:58:43,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:43,715 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:43,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:43,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:43,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:43,716 INFO L87 Difference]: Start difference. First operand 420 states and 633 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:45,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:46,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:46,119 INFO L93 Difference]: Finished difference Result 891 states and 1345 transitions. [2022-03-20 02:58:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:46,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2022-03-20 02:58:46,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:46,121 INFO L225 Difference]: With dead ends: 891 [2022-03-20 02:58:46,121 INFO L226 Difference]: Without dead ends: 497 [2022-03-20 02:58:46,121 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:46,122 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 141 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:46,122 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 346 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:58:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-03-20 02:58:46,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 420. [2022-03-20 02:58:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 415 states have (on average 1.4963855421686747) internal successors, (621), 415 states have internal predecessors, (621), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 625 transitions. [2022-03-20 02:58:46,128 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 625 transitions. Word has length 128 [2022-03-20 02:58:46,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:46,128 INFO L478 AbstractCegarLoop]: Abstraction has 420 states and 625 transitions. [2022-03-20 02:58:46,129 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 625 transitions. [2022-03-20 02:58:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-03-20 02:58:46,129 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:46,130 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:58:46,130 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-20 02:58:46,130 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:46,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -881988740, now seen corresponding path program 1 times [2022-03-20 02:58:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:46,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614608683] [2022-03-20 02:58:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-03-20 02:58:46,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:46,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614608683] [2022-03-20 02:58:46,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614608683] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:46,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:46,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:46,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092919011] [2022-03-20 02:58:46,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:46,221 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:46,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:46,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:46,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:46,222 INFO L87 Difference]: Start difference. First operand 420 states and 625 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:48,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:50,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:51,399 INFO L93 Difference]: Finished difference Result 891 states and 1329 transitions. [2022-03-20 02:58:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:51,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-03-20 02:58:51,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:51,401 INFO L225 Difference]: With dead ends: 891 [2022-03-20 02:58:51,401 INFO L226 Difference]: Without dead ends: 497 [2022-03-20 02:58:51,402 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:51,402 INFO L913 BasicCegarLoop]: 126 mSDtfsCounter, 131 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:51,402 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 360 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 481 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-03-20 02:58:51,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-03-20 02:58:51,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 420. [2022-03-20 02:58:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 415 states have (on average 1.4819277108433735) internal successors, (615), 415 states have internal predecessors, (615), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 619 transitions. [2022-03-20 02:58:51,409 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 619 transitions. Word has length 131 [2022-03-20 02:58:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:51,409 INFO L478 AbstractCegarLoop]: Abstraction has 420 states and 619 transitions. [2022-03-20 02:58:51,409 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 619 transitions. [2022-03-20 02:58:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-03-20 02:58:51,410 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:51,410 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:58:51,410 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-20 02:58:51,410 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:51,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1134050048, now seen corresponding path program 1 times [2022-03-20 02:58:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:51,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214941] [2022-03-20 02:58:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:51,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:51,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:58:51,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:51,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214941] [2022-03-20 02:58:51,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214941] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:51,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:51,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:58:51,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345660496] [2022-03-20 02:58:51,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:51,524 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:58:51,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:51,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:58:51,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:58:51,525 INFO L87 Difference]: Start difference. First operand 420 states and 619 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:52,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:54,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:56,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:58:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:58:57,817 INFO L93 Difference]: Finished difference Result 931 states and 1377 transitions. [2022-03-20 02:58:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:58:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-03-20 02:58:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:58:57,819 INFO L225 Difference]: With dead ends: 931 [2022-03-20 02:58:57,819 INFO L226 Difference]: Without dead ends: 537 [2022-03-20 02:58:57,819 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:58:57,820 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 111 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:58:57,820 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 347 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-03-20 02:58:57,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-03-20 02:58:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 463. [2022-03-20 02:58:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 458 states have (on average 1.48471615720524) internal successors, (680), 458 states have internal predecessors, (680), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 684 transitions. [2022-03-20 02:58:57,826 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 684 transitions. Word has length 131 [2022-03-20 02:58:57,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:58:57,827 INFO L478 AbstractCegarLoop]: Abstraction has 463 states and 684 transitions. [2022-03-20 02:58:57,827 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:58:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 684 transitions. [2022-03-20 02:58:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-03-20 02:58:57,828 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:58:57,828 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:58:57,828 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-20 02:58:57,828 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:58:57,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:58:57,828 INFO L85 PathProgramCache]: Analyzing trace with hash 442867454, now seen corresponding path program 1 times [2022-03-20 02:58:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:58:57,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097747042] [2022-03-20 02:58:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:58:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:58:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:58:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:58:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-03-20 02:58:57,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:58:57,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097747042] [2022-03-20 02:58:57,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097747042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:58:57,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:58:57,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:58:57,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736165516] [2022-03-20 02:58:57,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:58:57,919 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:58:57,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:58:57,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:58:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:58:57,919 INFO L87 Difference]: Start difference. First operand 463 states and 684 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:00,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:59:00,506 INFO L93 Difference]: Finished difference Result 1292 states and 1928 transitions. [2022-03-20 02:59:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:59:00,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-03-20 02:59:00,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:59:00,509 INFO L225 Difference]: With dead ends: 1292 [2022-03-20 02:59:00,509 INFO L226 Difference]: Without dead ends: 855 [2022-03-20 02:59:00,510 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:00,510 INFO L913 BasicCegarLoop]: 242 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:59:00,510 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 436 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-03-20 02:59:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2022-03-20 02:59:00,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 855. [2022-03-20 02:59:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 850 states have (on average 1.4823529411764707) internal successors, (1260), 850 states have internal predecessors, (1260), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1264 transitions. [2022-03-20 02:59:00,522 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1264 transitions. Word has length 131 [2022-03-20 02:59:00,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:59:00,522 INFO L478 AbstractCegarLoop]: Abstraction has 855 states and 1264 transitions. [2022-03-20 02:59:00,522 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1264 transitions. [2022-03-20 02:59:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-03-20 02:59:00,526 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:59:00,526 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:59:00,526 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-20 02:59:00,526 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:59:00,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:59:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1975617024, now seen corresponding path program 1 times [2022-03-20 02:59:00,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:59:00,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779733421] [2022-03-20 02:59:00,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:59:00,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:59:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:59:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-03-20 02:59:00,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:59:00,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779733421] [2022-03-20 02:59:00,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779733421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:59:00,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:59:00,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:59:00,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911345288] [2022-03-20 02:59:00,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:59:00,614 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:59:00,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:59:00,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:59:00,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:00,615 INFO L87 Difference]: Start difference. First operand 855 states and 1264 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:03,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:05,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:59:05,665 INFO L93 Difference]: Finished difference Result 1711 states and 2535 transitions. [2022-03-20 02:59:05,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:59:05,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-03-20 02:59:05,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:59:05,668 INFO L225 Difference]: With dead ends: 1711 [2022-03-20 02:59:05,668 INFO L226 Difference]: Without dead ends: 882 [2022-03-20 02:59:05,669 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:05,669 INFO L913 BasicCegarLoop]: 223 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:59:05,669 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 417 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 249 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-03-20 02:59:05,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2022-03-20 02:59:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2022-03-20 02:59:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 877 states have (on average 1.4766248574686431) internal successors, (1295), 877 states have internal predecessors, (1295), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1299 transitions. [2022-03-20 02:59:05,681 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1299 transitions. Word has length 131 [2022-03-20 02:59:05,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:59:05,681 INFO L478 AbstractCegarLoop]: Abstraction has 882 states and 1299 transitions. [2022-03-20 02:59:05,681 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1299 transitions. [2022-03-20 02:59:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-03-20 02:59:05,683 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:59:05,683 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:59:05,683 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-20 02:59:05,683 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:59:05,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:59:05,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1857175550, now seen corresponding path program 1 times [2022-03-20 02:59:05,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:59:05,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757616253] [2022-03-20 02:59:05,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:59:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:59:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:59:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-20 02:59:05,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:59:05,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757616253] [2022-03-20 02:59:05,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757616253] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:59:05,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:59:05,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:59:05,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806762093] [2022-03-20 02:59:05,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:59:05,763 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:59:05,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:59:05,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:59:05,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:05,764 INFO L87 Difference]: Start difference. First operand 882 states and 1299 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:07,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:09,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:09,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:59:09,841 INFO L93 Difference]: Finished difference Result 1740 states and 2571 transitions. [2022-03-20 02:59:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:59:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-03-20 02:59:09,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:59:09,844 INFO L225 Difference]: With dead ends: 1740 [2022-03-20 02:59:09,844 INFO L226 Difference]: Without dead ends: 884 [2022-03-20 02:59:09,845 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:09,845 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:59:09,845 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 396 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-03-20 02:59:09,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2022-03-20 02:59:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2022-03-20 02:59:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 879 states have (on average 1.4755403868031853) internal successors, (1297), 879 states have internal predecessors, (1297), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1301 transitions. [2022-03-20 02:59:09,857 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1301 transitions. Word has length 131 [2022-03-20 02:59:09,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:59:09,857 INFO L478 AbstractCegarLoop]: Abstraction has 884 states and 1301 transitions. [2022-03-20 02:59:09,857 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1301 transitions. [2022-03-20 02:59:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-20 02:59:09,859 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:59:09,859 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:59:09,859 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-20 02:59:09,859 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:59:09,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:59:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1541930600, now seen corresponding path program 1 times [2022-03-20 02:59:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:59:09,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175658777] [2022-03-20 02:59:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:59:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:59:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:59:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-03-20 02:59:09,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:59:09,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175658777] [2022-03-20 02:59:09,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175658777] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:59:09,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:59:09,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:59:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930102606] [2022-03-20 02:59:09,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:59:09,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:59:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:59:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:59:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:09,957 INFO L87 Difference]: Start difference. First operand 884 states and 1301 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:11,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:13,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:15,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:16,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:59:16,151 INFO L93 Difference]: Finished difference Result 2177 states and 3224 transitions. [2022-03-20 02:59:16,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:59:16,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-03-20 02:59:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:59:16,155 INFO L225 Difference]: With dead ends: 2177 [2022-03-20 02:59:16,155 INFO L226 Difference]: Without dead ends: 1321 [2022-03-20 02:59:16,156 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:59:16,156 INFO L913 BasicCegarLoop]: 195 mSDtfsCounter, 157 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:59:16,156 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 380 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 245 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-03-20 02:59:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2022-03-20 02:59:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1319. [2022-03-20 02:59:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1314 states have (on average 1.482496194824962) internal successors, (1948), 1314 states have internal predecessors, (1948), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1952 transitions. [2022-03-20 02:59:16,175 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1952 transitions. Word has length 133 [2022-03-20 02:59:16,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:59:16,175 INFO L478 AbstractCegarLoop]: Abstraction has 1319 states and 1952 transitions. [2022-03-20 02:59:16,175 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1952 transitions. [2022-03-20 02:59:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-20 02:59:16,177 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:59:16,177 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:59:16,177 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-20 02:59:16,177 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:59:16,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:59:16,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1653660413, now seen corresponding path program 1 times [2022-03-20 02:59:16,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:59:16,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689090878] [2022-03-20 02:59:16,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:59:16,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:59:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:59:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:59:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-03-20 02:59:16,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:59:16,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689090878] [2022-03-20 02:59:16,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689090878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:59:16,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:59:16,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 02:59:16,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817660559] [2022-03-20 02:59:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:59:16,458 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 02:59:16,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:59:16,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 02:59:16,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:59:16,459 INFO L87 Difference]: Start difference. First operand 1319 states and 1952 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:18,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:20,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:22,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:23,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:24,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:59:26,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:59:26,328 INFO L93 Difference]: Finished difference Result 2631 states and 3896 transitions. [2022-03-20 02:59:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 02:59:26,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 134 [2022-03-20 02:59:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:59:26,332 INFO L225 Difference]: With dead ends: 2631 [2022-03-20 02:59:26,333 INFO L226 Difference]: Without dead ends: 1319 [2022-03-20 02:59:26,334 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:59:26,335 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 7 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-03-20 02:59:26,335 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 842 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-03-20 02:59:26,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2022-03-20 02:59:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2022-03-20 02:59:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1314 states have (on average 1.4817351598173516) internal successors, (1947), 1314 states have internal predecessors, (1947), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1951 transitions. [2022-03-20 02:59:26,380 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1951 transitions. Word has length 134 [2022-03-20 02:59:26,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:59:26,381 INFO L478 AbstractCegarLoop]: Abstraction has 1319 states and 1951 transitions. [2022-03-20 02:59:26,381 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:59:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1951 transitions. [2022-03-20 02:59:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-20 02:59:26,383 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:59:26,383 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:59:26,383 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-20 02:59:26,383 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:59:26,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:59:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2056535233, now seen corresponding path program 1 times [2022-03-20 02:59:26,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:59:26,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484238348] [2022-03-20 02:59:26,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:59:26,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:59:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-20 02:59:26,876 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-20 02:59:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-20 02:59:27,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-20 02:59:27,085 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-03-20 02:59:27,086 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 02:59:27,088 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-20 02:59:27,092 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:59:27,094 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 02:59:27,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 02:59:27 BoogieIcfgContainer [2022-03-20 02:59:27,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 02:59:27,217 INFO L158 Benchmark]: Toolchain (without parser) took 177023.10ms. Allocated memory was 176.2MB in the beginning and 310.4MB in the end (delta: 134.2MB). Free memory was 147.6MB in the beginning and 253.9MB in the end (delta: -106.3MB). Peak memory consumption was 194.1MB. Max. memory is 8.0GB. [2022-03-20 02:59:27,217 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 02:59:27,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.61ms. Allocated memory was 176.2MB in the beginning and 248.5MB in the end (delta: 72.4MB). Free memory was 147.3MB in the beginning and 197.6MB in the end (delta: -50.3MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. [2022-03-20 02:59:27,217 INFO L158 Benchmark]: Boogie Preprocessor took 104.93ms. Allocated memory is still 248.5MB. Free memory was 197.6MB in the beginning and 190.0MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-20 02:59:27,217 INFO L158 Benchmark]: RCFGBuilder took 1285.65ms. Allocated memory is still 248.5MB. Free memory was 190.0MB in the beginning and 175.0MB in the end (delta: 15.0MB). Peak memory consumption was 41.7MB. Max. memory is 8.0GB. [2022-03-20 02:59:27,217 INFO L158 Benchmark]: TraceAbstraction took 175150.60ms. Allocated memory was 248.5MB in the beginning and 310.4MB in the end (delta: 61.9MB). Free memory was 174.5MB in the beginning and 253.9MB in the end (delta: -79.4MB). Peak memory consumption was 148.7MB. Max. memory is 8.0GB. [2022-03-20 02:59:27,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 478.61ms. Allocated memory was 176.2MB in the beginning and 248.5MB in the end (delta: 72.4MB). Free memory was 147.3MB in the beginning and 197.6MB in the end (delta: -50.3MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 104.93ms. Allocated memory is still 248.5MB. Free memory was 197.6MB in the beginning and 190.0MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1285.65ms. Allocated memory is still 248.5MB. Free memory was 190.0MB in the beginning and 175.0MB in the end (delta: 15.0MB). Peak memory consumption was 41.7MB. Max. memory is 8.0GB. * TraceAbstraction took 175150.60ms. Allocated memory was 248.5MB in the beginning and 310.4MB in the end (delta: 61.9MB). Free memory was 174.5MB in the beginning and 253.9MB in the end (delta: -79.4MB). Peak memory consumption was 148.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1757]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1475. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [\old(init)=4294967305, \old(SSLv3_server_data)=null, \old(SSLv3_server_data)=null, init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1105] CALL ssl3_accept(s) VAL [init=1, s={-4294967294:0}, SSLv3_server_data={4:0}] [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->info_callback={0:-5}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1161] EXPR s->cert VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967294:0}, s={-4294967294:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-5}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-5}, (s->s3)->tmp.reuse_message=4294967338, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->hit=0, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1383] COND FALSE !(s->hit) [L1386] s->state = 8512 VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1388] s->init_num = 0 VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-5}, (s->s3)->tmp.reuse_message=4294967338, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-5}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1209] COND TRUE s->state == 8512 [L1392] EXPR s->s3 [L1392] EXPR (s->s3)->tmp.new_cipher [L1392] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:-5}, ((s->s3)->tmp.new_cipher)->algorithms=4294967327, (s->s3)->tmp.new_cipher={-4294967298:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1392] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1395] ret = __VERIFIER_nondet_int() [L1396] COND TRUE blastFlag == 2 [L1397] blastFlag = 6 VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1401] COND FALSE !(ret <= 0) VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1407] s->state = 8528 [L1408] s->init_num = 0 VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-5}, (s->s3)->tmp.reuse_message=4294967338, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1215] COND TRUE s->state == 8528 [L1412] EXPR s->s3 [L1412] EXPR (s->s3)->tmp.new_cipher [L1412] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1412] l = ((s->s3)->tmp.new_cipher)->algorithms [L1413] EXPR s->options VAL [={0:-5}, blastFlag=6, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->options=4294967315, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1413] COND TRUE s->options & 2097152UL [L1414] EXPR s->s3 [L1414] (s->s3)->tmp.use_rsa_tmp = 1 [L1418] EXPR s->s3 [L1418] (s->s3)->tmp.use_rsa_tmp VAL [={0:-5}, (s->s3)->tmp.use_rsa_tmp=1, blastFlag=6, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1418] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1436] ret = __VERIFIER_nondet_int() [L1437] COND TRUE blastFlag == 6 [L1438] blastFlag = 7 VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1442] COND FALSE !(ret <= 0) VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1459] s->state = 8544 [L1460] s->init_num = 0 VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-5}, (s->s3)->tmp.reuse_message=4294967338, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1221] COND TRUE s->state == 8544 [L1464] EXPR s->verify_mode VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->verify_mode=-4, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1464] COND TRUE s->verify_mode & 1 [L1465] EXPR s->session [L1465] EXPR (s->session)->peer VAL [={0:-5}, (s->session)->peer={0:0}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->session={-4294967296:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1465] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1475] EXPR s->s3 [L1475] EXPR (s->s3)->tmp.new_cipher [L1475] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:-5}, ((s->s3)->tmp.new_cipher)->algorithms=4294967327, (s->s3)->tmp.new_cipher={-4294967298:0}, blastFlag=7, got_new_session=1, init=1, l=31, ret=1, s={-4294967294:0}, s={-4294967294:0}, s->s3={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1475] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1485] EXPR s->s3 [L1485] (s->s3)->tmp.cert_request = 1 [L1486] ret = __VERIFIER_nondet_int() [L1487] COND TRUE blastFlag == 7 VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=0, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] [L1757] reach_error() VAL [={0:-5}, blastFlag=7, got_new_session=1, init=1, l=31, ret=0, s={-4294967294:0}, s={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=6, tmp=6, tmp___1=1, tmp___10=0, tmp___2=7, tmp___3=8, tmp___4=0, tmp___5=9, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 189 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 175.0s, OverallIterations: 37, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 169.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 27 mSolverCounterUnknown, 3088 SdHoareTripleChecker+Valid, 168.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3088 mSDsluCounter, 16075 SdHoareTripleChecker+Invalid, 164.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9919 mSDsCounter, 1141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15383 IncrementalHoareTripleChecker+Invalid, 16551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1141 mSolverCounterUnsat, 6156 mSDtfsCounter, 15383 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1319occurred in iteration=35, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 36 MinimizatonAttempts, 1706 StatesRemovedByMinimization, 32 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3758 NumberOfCodeBlocks, 3758 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 3588 ConstructedInterpolants, 0 QuantifiedInterpolants, 9659 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 2710/2710 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 could not prove your program: unable to determine feasibility of some traces [2022-03-20 02:59:27,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...