/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_clnt.blast.03.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 02:44:40,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 02:44:40,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 02:44:40,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 02:44:40,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 02:44:40,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 02:44:40,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 02:44:40,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 02:44:40,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 02:44:40,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 02:44:40,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 02:44:40,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 02:44:40,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 02:44:40,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 02:44:40,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 02:44:40,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 02:44:40,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 02:44:40,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 02:44:40,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 02:44:40,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 02:44:40,956 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 02:44:40,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 02:44:40,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 02:44:40,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 02:44:40,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 02:44:40,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 02:44:40,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 02:44:40,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 02:44:40,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 02:44:40,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 02:44:40,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 02:44:40,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 02:44:40,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 02:44:40,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 02:44:40,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 02:44:40,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 02:44:40,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 02:44:40,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 02:44:40,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 02:44:40,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 02:44:40,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 02:44:40,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 02:44:40,975 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 02:44:41,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 02:44:41,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 02:44:41,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-20 02:44:41,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-20 02:44:41,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 02:44:41,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 02:44:41,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 02:44:41,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 02:44:41,012 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 02:44:41,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 02:44:41,013 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 02:44:41,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 02:44:41,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 02:44:41,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 02:44:41,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 02:44:41,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 02:44:41,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 02:44:41,015 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 02:44:41,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 02:44:41,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 02:44:41,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 02:44:41,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 02:44:41,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 02:44:41,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 02:44:41,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:44:41,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 02:44:41,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 02:44:41,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 02:44:41,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 02:44:41,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 02:44:41,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-20 02:44:41,017 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-20 02:44:41,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 02:44:41,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 02:44:41,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 02:44:41,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 02:44:41,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 02:44:41,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 02:44:41,285 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 02:44:41,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c [2022-03-20 02:44:41,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f960e655/05df9fa325494d57a3624243276061d3/FLAG19b59f121 [2022-03-20 02:44:41,832 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 02:44:41,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c [2022-03-20 02:44:41,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f960e655/05df9fa325494d57a3624243276061d3/FLAG19b59f121 [2022-03-20 02:44:42,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f960e655/05df9fa325494d57a3624243276061d3 [2022-03-20 02:44:42,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 02:44:42,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 02:44:42,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 02:44:42,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 02:44:42,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 02:44:42,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15837d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42, skipping insertion in model container [2022-03-20 02:44:42,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 02:44:42,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 02:44:42,586 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_clnt.blast.03.i.cil-2.c[65397,65410] [2022-03-20 02:44:42,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:44:42,602 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 02:44:42,712 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_clnt.blast.03.i.cil-2.c[65397,65410] [2022-03-20 02:44:42,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:44:42,745 INFO L208 MainTranslator]: Completed translation [2022-03-20 02:44:42,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42 WrapperNode [2022-03-20 02:44:42,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 02:44:42,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 02:44:42,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 02:44:42,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 02:44:42,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 02:44:42,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 02:44:42,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 02:44:42,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 02:44:42,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (1/1) ... [2022-03-20 02:44:42,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:44:42,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:44:42,876 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 02:44:42,905 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 02:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 02:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 02:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 02:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-03-20 02:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-03-20 02:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 02:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 02:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 02:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 02:44:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 02:44:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 02:44:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 02:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 02:44:43,108 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 02:44:43,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 02:44:44,252 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:44:44,645 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 02:44:44,645 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 02:44:44,665 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 02:44:44,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 02:44:44,672 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 02:44:44,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:44:44 BoogieIcfgContainer [2022-03-20 02:44:44,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 02:44:44,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 02:44:44,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 02:44:44,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 02:44:44,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 02:44:42" (1/3) ... [2022-03-20 02:44:44,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52caca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:44:44, skipping insertion in model container [2022-03-20 02:44:44,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:44:42" (2/3) ... [2022-03-20 02:44:44,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52caca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:44:44, skipping insertion in model container [2022-03-20 02:44:44,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:44:44" (3/3) ... [2022-03-20 02:44:44,684 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-2.c [2022-03-20 02:44:44,688 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 02:44:44,688 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 02:44:44,736 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 02:44:44,743 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 02:44:44,743 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 02:44:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 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 02:44:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 02:44:44,775 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:44,776 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] [2022-03-20 02:44:44,776 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:44,781 INFO L85 PathProgramCache]: Analyzing trace with hash -22644822, now seen corresponding path program 1 times [2022-03-20 02:44:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:44,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363778947] [2022-03-20 02:44:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:44,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:45,425 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 02:44:45,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:45,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363778947] [2022-03-20 02:44:45,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363778947] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:45,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:45,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:44:45,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351541520] [2022-03-20 02:44:45,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:45,432 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:44:45,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:45,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:44:45,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:44:45,496 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 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 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 02:44:47,538 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 02:44:48,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:48,060 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-03-20 02:44:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:44:48,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 30 [2022-03-20 02:44:48,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:48,070 INFO L225 Difference]: With dead ends: 267 [2022-03-20 02:44:48,070 INFO L226 Difference]: Without dead ends: 122 [2022-03-20 02:44:48,073 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 02:44:48,076 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:48,076 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:44:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-03-20 02:44:48,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-03-20 02:44:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 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 02:44:48,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-03-20 02:44:48,111 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-03-20 02:44:48,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:48,112 INFO L478 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-03-20 02:44:48,112 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 02:44:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-03-20 02:44:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-20 02:44:48,113 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:48,114 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:44:48,114 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 02:44:48,114 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:48,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:48,115 INFO L85 PathProgramCache]: Analyzing trace with hash 868047042, now seen corresponding path program 1 times [2022-03-20 02:44:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:48,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512974110] [2022-03-20 02:44:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:48,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:44:48,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:48,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512974110] [2022-03-20 02:44:48,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512974110] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:48,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:48,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:44:48,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194406531] [2022-03-20 02:44:48,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:48,378 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:44:48,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:48,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:44:48,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:44:48,379 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 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 02:44:50,393 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 02:44:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:50,703 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2022-03-20 02:44:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:44:50,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 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 44 [2022-03-20 02:44:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:50,706 INFO L225 Difference]: With dead ends: 327 [2022-03-20 02:44:50,706 INFO L226 Difference]: Without dead ends: 222 [2022-03-20 02:44:50,706 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 02:44:50,707 INFO L913 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:50,708 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 319 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:44:50,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-03-20 02:44:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-03-20 02:44:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 217 states have (on average 1.4838709677419355) internal successors, (322), 217 states have internal predecessors, (322), 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 02:44:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 326 transitions. [2022-03-20 02:44:50,742 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 326 transitions. Word has length 44 [2022-03-20 02:44:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:50,743 INFO L478 AbstractCegarLoop]: Abstraction has 222 states and 326 transitions. [2022-03-20 02:44:50,743 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 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 02:44:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 326 transitions. [2022-03-20 02:44:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-20 02:44:50,747 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:50,747 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 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 02:44:50,747 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 02:44:50,748 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:50,748 INFO L85 PathProgramCache]: Analyzing trace with hash -446115060, now seen corresponding path program 1 times [2022-03-20 02:44:50,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:50,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943906917] [2022-03-20 02:44:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:50,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:44:51,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:51,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943906917] [2022-03-20 02:44:51,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943906917] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:51,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:51,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:44:51,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26928109] [2022-03-20 02:44:51,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:51,028 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:44:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:51,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:44:51,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:44:51,029 INFO L87 Difference]: Start difference. First operand 222 states and 326 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 02:44:53,048 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 02:44:53,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:53,538 INFO L93 Difference]: Finished difference Result 363 states and 539 transitions. [2022-03-20 02:44:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:44:53,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 59 [2022-03-20 02:44:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:53,541 INFO L225 Difference]: With dead ends: 363 [2022-03-20 02:44:53,541 INFO L226 Difference]: Without dead ends: 258 [2022-03-20 02:44:53,542 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 02:44:53,543 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:53,544 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 486 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:44:53,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-03-20 02:44:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 240. [2022-03-20 02:44:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 235 states have (on average 1.4978723404255319) internal successors, (352), 235 states have internal predecessors, (352), 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 02:44:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 356 transitions. [2022-03-20 02:44:53,556 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 356 transitions. Word has length 59 [2022-03-20 02:44:53,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:53,556 INFO L478 AbstractCegarLoop]: Abstraction has 240 states and 356 transitions. [2022-03-20 02:44:53,556 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 02:44:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 356 transitions. [2022-03-20 02:44:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-20 02:44:53,558 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:53,558 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-20 02:44:53,558 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 02:44:53,558 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:53,559 INFO L85 PathProgramCache]: Analyzing trace with hash -2084364124, now seen corresponding path program 2 times [2022-03-20 02:44:53,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:53,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622255767] [2022-03-20 02:44:53,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:53,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:44:53,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:53,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622255767] [2022-03-20 02:44:53,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622255767] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:53,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:53,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:44:53,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123059737] [2022-03-20 02:44:53,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:53,784 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:44:53,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:53,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:44:53,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:44:53,785 INFO L87 Difference]: Start difference. First operand 240 states and 356 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 02:44:55,795 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 02:44:56,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:56,216 INFO L93 Difference]: Finished difference Result 380 states and 567 transitions. [2022-03-20 02:44:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:44:56,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 73 [2022-03-20 02:44:56,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:56,218 INFO L225 Difference]: With dead ends: 380 [2022-03-20 02:44:56,218 INFO L226 Difference]: Without dead ends: 257 [2022-03-20 02:44:56,219 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 02:44:56,220 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 39 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:56,220 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 486 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:44:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-03-20 02:44:56,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 240. [2022-03-20 02:44:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 235 states have (on average 1.4936170212765958) internal successors, (351), 235 states have internal predecessors, (351), 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 02:44:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 355 transitions. [2022-03-20 02:44:56,230 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 355 transitions. Word has length 73 [2022-03-20 02:44:56,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:56,231 INFO L478 AbstractCegarLoop]: Abstraction has 240 states and 355 transitions. [2022-03-20 02:44:56,231 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 02:44:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 355 transitions. [2022-03-20 02:44:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-20 02:44:56,232 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:56,233 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-20 02:44:56,233 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 02:44:56,233 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1101622726, now seen corresponding path program 1 times [2022-03-20 02:44:56,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:56,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924931407] [2022-03-20 02:44:56,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:56,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:44:56,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:56,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924931407] [2022-03-20 02:44:56,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924931407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:56,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:56,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:44:56,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750038104] [2022-03-20 02:44:56,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:56,413 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:44:56,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:56,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:44:56,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:44:56,414 INFO L87 Difference]: Start difference. First operand 240 states and 355 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 02:44:58,431 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 02:44:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:58,903 INFO L93 Difference]: Finished difference Result 647 states and 966 transitions. [2022-03-20 02:44:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:44:58,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 73 [2022-03-20 02:44:58,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:58,908 INFO L225 Difference]: With dead ends: 647 [2022-03-20 02:44:58,909 INFO L226 Difference]: Without dead ends: 423 [2022-03-20 02:44:58,910 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 02:44:58,910 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 119 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:58,911 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:44:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-03-20 02:44:58,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 264. [2022-03-20 02:44:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 259 states have (on average 1.4903474903474903) internal successors, (386), 259 states have internal predecessors, (386), 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 02:44:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 390 transitions. [2022-03-20 02:44:58,923 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 390 transitions. Word has length 73 [2022-03-20 02:44:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:58,923 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 390 transitions. [2022-03-20 02:44:58,923 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 02:44:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 390 transitions. [2022-03-20 02:44:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 02:44:58,925 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:58,925 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-20 02:44:58,925 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 02:44:58,925 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:58,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:58,926 INFO L85 PathProgramCache]: Analyzing trace with hash -155040791, now seen corresponding path program 1 times [2022-03-20 02:44:58,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:58,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245936743] [2022-03-20 02:44:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:44:59,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:59,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245936743] [2022-03-20 02:44:59,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245936743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:59,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:59,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:44:59,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260817576] [2022-03-20 02:44:59,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:59,125 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:44:59,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:59,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:44:59,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:44:59,127 INFO L87 Difference]: Start difference. First operand 264 states and 390 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 02:45:01,144 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 02:45:01,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:01,559 INFO L93 Difference]: Finished difference Result 416 states and 617 transitions. [2022-03-20 02:45:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:01,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 74 [2022-03-20 02:45:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:01,561 INFO L225 Difference]: With dead ends: 416 [2022-03-20 02:45:01,561 INFO L226 Difference]: Without dead ends: 281 [2022-03-20 02:45:01,562 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 02:45:01,562 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 35 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:01,563 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 482 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:01,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-03-20 02:45:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 264. [2022-03-20 02:45:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 259 states have (on average 1.4864864864864864) internal successors, (385), 259 states have internal predecessors, (385), 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 02:45:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 389 transitions. [2022-03-20 02:45:01,571 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 389 transitions. Word has length 74 [2022-03-20 02:45:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:01,572 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 389 transitions. [2022-03-20 02:45:01,572 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 02:45:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 389 transitions. [2022-03-20 02:45:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 02:45:01,573 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:01,573 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:45:01,573 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 02:45:01,573 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:01,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:01,574 INFO L85 PathProgramCache]: Analyzing trace with hash -400323519, now seen corresponding path program 1 times [2022-03-20 02:45:01,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:01,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434666053] [2022-03-20 02:45:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:45:01,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:01,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434666053] [2022-03-20 02:45:01,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434666053] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:01,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:01,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965295707] [2022-03-20 02:45:01,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:01,794 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:01,795 INFO L87 Difference]: Start difference. First operand 264 states and 389 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 02:45:03,804 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 02:45:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:04,195 INFO L93 Difference]: Finished difference Result 416 states and 615 transitions. [2022-03-20 02:45:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:04,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 75 [2022-03-20 02:45:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:04,197 INFO L225 Difference]: With dead ends: 416 [2022-03-20 02:45:04,197 INFO L226 Difference]: Without dead ends: 281 [2022-03-20 02:45:04,198 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 02:45:04,199 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 33 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:04,199 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 480 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:04,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-03-20 02:45:04,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 264. [2022-03-20 02:45:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 259 states have (on average 1.4826254826254825) internal successors, (384), 259 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 02:45:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 388 transitions. [2022-03-20 02:45:04,207 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 388 transitions. Word has length 75 [2022-03-20 02:45:04,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:04,207 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 388 transitions. [2022-03-20 02:45:04,207 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 02:45:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 388 transitions. [2022-03-20 02:45:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-20 02:45:04,208 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:04,209 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-03-20 02:45:04,209 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 02:45:04,209 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:04,209 INFO L85 PathProgramCache]: Analyzing trace with hash 642427140, now seen corresponding path program 1 times [2022-03-20 02:45:04,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:04,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547050348] [2022-03-20 02:45:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:04,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:45:04,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:04,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547050348] [2022-03-20 02:45:04,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547050348] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:04,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:04,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:04,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816396648] [2022-03-20 02:45:04,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:04,414 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:04,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:04,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:04,415 INFO L87 Difference]: Start difference. First operand 264 states and 388 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 02:45:06,425 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 02:45:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:06,867 INFO L93 Difference]: Finished difference Result 671 states and 994 transitions. [2022-03-20 02:45:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:06,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 76 [2022-03-20 02:45:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:06,870 INFO L225 Difference]: With dead ends: 671 [2022-03-20 02:45:06,870 INFO L226 Difference]: Without dead ends: 423 [2022-03-20 02:45:06,871 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 02:45:06,871 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:06,871 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:06,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-03-20 02:45:06,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 270. [2022-03-20 02:45:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.4830188679245282) internal successors, (393), 265 states have internal predecessors, (393), 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 02:45:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 397 transitions. [2022-03-20 02:45:06,882 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 397 transitions. Word has length 76 [2022-03-20 02:45:06,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:06,883 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 397 transitions. [2022-03-20 02:45:06,883 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 02:45:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 397 transitions. [2022-03-20 02:45:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 02:45:06,884 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:06,884 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:06,884 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 02:45:06,884 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:06,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1188358039, now seen corresponding path program 1 times [2022-03-20 02:45:06,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:06,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904788944] [2022-03-20 02:45:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:06,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-20 02:45:07,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:07,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904788944] [2022-03-20 02:45:07,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904788944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:07,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:07,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:45:07,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782705127] [2022-03-20 02:45:07,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:07,064 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:45:07,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:07,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:45:07,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:45:07,065 INFO L87 Difference]: Start difference. First operand 270 states and 397 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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 02:45:09,078 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 02:45:09,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:09,551 INFO L93 Difference]: Finished difference Result 543 states and 807 transitions. [2022-03-20 02:45:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:45:09,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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 77 [2022-03-20 02:45:09,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:09,553 INFO L225 Difference]: With dead ends: 543 [2022-03-20 02:45:09,554 INFO L226 Difference]: Without dead ends: 405 [2022-03-20 02:45:09,554 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 02:45:09,555 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:09,555 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:45:09,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-03-20 02:45:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2022-03-20 02:45:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 400 states have (on average 1.4775) internal successors, (591), 400 states have internal predecessors, (591), 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 02:45:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 595 transitions. [2022-03-20 02:45:09,566 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 595 transitions. Word has length 77 [2022-03-20 02:45:09,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:09,566 INFO L478 AbstractCegarLoop]: Abstraction has 405 states and 595 transitions. [2022-03-20 02:45:09,566 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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 02:45:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 595 transitions. [2022-03-20 02:45:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 02:45:09,567 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:09,567 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:09,567 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 02:45:09,568 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash -979274608, now seen corresponding path program 1 times [2022-03-20 02:45:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:09,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875462476] [2022-03-20 02:45:09,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:09,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 02:45:09,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:09,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875462476] [2022-03-20 02:45:09,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875462476] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:09,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:09,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:45:09,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839891583] [2022-03-20 02:45:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:09,734 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:45:09,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:09,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:45:09,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:45:09,734 INFO L87 Difference]: Start difference. First operand 405 states and 595 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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 02:45:11,745 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 02:45:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:12,021 INFO L93 Difference]: Finished difference Result 702 states and 1033 transitions. [2022-03-20 02:45:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:45:12,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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 78 [2022-03-20 02:45:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:12,023 INFO L225 Difference]: With dead ends: 702 [2022-03-20 02:45:12,023 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 02:45:12,024 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 02:45:12,025 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 15 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:12,025 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 359 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:45:12,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 02:45:12,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2022-03-20 02:45:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 424 states have (on average 1.4693396226415094) internal successors, (623), 424 states have internal predecessors, (623), 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 02:45:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 627 transitions. [2022-03-20 02:45:12,036 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 627 transitions. Word has length 78 [2022-03-20 02:45:12,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:12,036 INFO L478 AbstractCegarLoop]: Abstraction has 429 states and 627 transitions. [2022-03-20 02:45:12,036 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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 02:45:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 627 transitions. [2022-03-20 02:45:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 02:45:12,038 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:12,038 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:12,038 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 02:45:12,038 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:12,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:12,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1809534672, now seen corresponding path program 1 times [2022-03-20 02:45:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:12,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506923456] [2022-03-20 02:45:12,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:12,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 02:45:12,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:12,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506923456] [2022-03-20 02:45:12,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506923456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:12,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:12,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:45:12,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345060063] [2022-03-20 02:45:12,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:12,231 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:45:12,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:12,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:45:12,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:45:12,232 INFO L87 Difference]: Start difference. First operand 429 states and 627 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 02:45:14,248 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 02:45:14,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:14,695 INFO L93 Difference]: Finished difference Result 860 states and 1266 transitions. [2022-03-20 02:45:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:45:14,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 97 [2022-03-20 02:45:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:14,698 INFO L225 Difference]: With dead ends: 860 [2022-03-20 02:45:14,698 INFO L226 Difference]: Without dead ends: 563 [2022-03-20 02:45:14,699 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 02:45:14,700 INFO L913 BasicCegarLoop]: 314 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:14,700 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:14,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-03-20 02:45:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2022-03-20 02:45:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 558 states have (on average 1.4695340501792116) internal successors, (820), 558 states have internal predecessors, (820), 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 02:45:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 824 transitions. [2022-03-20 02:45:14,713 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 824 transitions. Word has length 97 [2022-03-20 02:45:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:14,714 INFO L478 AbstractCegarLoop]: Abstraction has 563 states and 824 transitions. [2022-03-20 02:45:14,714 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 02:45:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 824 transitions. [2022-03-20 02:45:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-20 02:45:14,715 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:14,715 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:14,715 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 02:45:14,716 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:14,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:14,716 INFO L85 PathProgramCache]: Analyzing trace with hash -120492913, now seen corresponding path program 1 times [2022-03-20 02:45:14,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:14,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444450046] [2022-03-20 02:45:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:14,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 02:45:14,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:14,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444450046] [2022-03-20 02:45:14,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444450046] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:14,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:14,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:45:14,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474619337] [2022-03-20 02:45:14,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:14,892 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:45:14,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:45:14,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:45:14,893 INFO L87 Difference]: Start difference. First operand 563 states and 824 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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 02:45:16,903 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 02:45:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:17,317 INFO L93 Difference]: Finished difference Result 1127 states and 1658 transitions. [2022-03-20 02:45:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:45:17,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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 118 [2022-03-20 02:45:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:17,321 INFO L225 Difference]: With dead ends: 1127 [2022-03-20 02:45:17,321 INFO L226 Difference]: Without dead ends: 696 [2022-03-20 02:45:17,322 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 02:45:17,322 INFO L913 BasicCegarLoop]: 312 mSDtfsCounter, 124 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:17,323 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 474 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:17,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-03-20 02:45:17,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2022-03-20 02:45:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 691 states have (on average 1.4688856729377713) internal successors, (1015), 691 states have internal predecessors, (1015), 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 02:45:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1019 transitions. [2022-03-20 02:45:17,338 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1019 transitions. Word has length 118 [2022-03-20 02:45:17,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:17,338 INFO L478 AbstractCegarLoop]: Abstraction has 696 states and 1019 transitions. [2022-03-20 02:45:17,338 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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 02:45:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1019 transitions. [2022-03-20 02:45:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-03-20 02:45:17,340 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:17,340 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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 02:45:17,341 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 02:45:17,341 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:17,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:17,341 INFO L85 PathProgramCache]: Analyzing trace with hash 707325485, now seen corresponding path program 1 times [2022-03-20 02:45:17,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:17,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899359959] [2022-03-20 02:45:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 02:45:17,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:17,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899359959] [2022-03-20 02:45:17,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899359959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:17,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:17,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:17,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89808563] [2022-03-20 02:45:17,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:17,598 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:17,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:17,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:17,599 INFO L87 Difference]: Start difference. First operand 696 states and 1019 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 02:45:19,610 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 02:45:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:20,053 INFO L93 Difference]: Finished difference Result 1754 states and 2570 transitions. [2022-03-20 02:45:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:20,053 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 137 [2022-03-20 02:45:20,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:20,057 INFO L225 Difference]: With dead ends: 1754 [2022-03-20 02:45:20,057 INFO L226 Difference]: Without dead ends: 1074 [2022-03-20 02:45:20,058 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 02:45:20,059 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 109 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:20,060 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 284 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:20,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-03-20 02:45:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 711. [2022-03-20 02:45:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 706 states have (on average 1.4730878186968839) internal successors, (1040), 706 states have internal predecessors, (1040), 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 02:45:20,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1044 transitions. [2022-03-20 02:45:20,082 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1044 transitions. Word has length 137 [2022-03-20 02:45:20,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:20,082 INFO L478 AbstractCegarLoop]: Abstraction has 711 states and 1044 transitions. [2022-03-20 02:45:20,082 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 02:45:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1044 transitions. [2022-03-20 02:45:20,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-03-20 02:45:20,084 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:20,084 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:20,084 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 02:45:20,085 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:20,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:20,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1627312080, now seen corresponding path program 1 times [2022-03-20 02:45:20,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:20,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887938550] [2022-03-20 02:45:20,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:20,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 02:45:20,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:20,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887938550] [2022-03-20 02:45:20,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887938550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:20,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:20,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:20,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451501101] [2022-03-20 02:45:20,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:20,286 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:20,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:20,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:20,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:20,287 INFO L87 Difference]: Start difference. First operand 711 states and 1044 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 02:45:23,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:25,311 WARN L534 Checker$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 02:45:27,336 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 02:45:27,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:27,911 INFO L93 Difference]: Finished difference Result 1753 states and 2578 transitions. [2022-03-20 02:45:27,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:27,911 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 138 [2022-03-20 02:45:27,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:27,915 INFO L225 Difference]: With dead ends: 1753 [2022-03-20 02:45:27,915 INFO L226 Difference]: Without dead ends: 1058 [2022-03-20 02:45:27,917 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 02:45:27,917 INFO L913 BasicCegarLoop]: 238 mSDtfsCounter, 93 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:27,917 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 565 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 532 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2022-03-20 02:45:27,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2022-03-20 02:45:27,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 787. [2022-03-20 02:45:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 782 states have (on average 1.4782608695652173) internal successors, (1156), 782 states have internal predecessors, (1156), 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 02:45:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1160 transitions. [2022-03-20 02:45:27,938 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1160 transitions. Word has length 138 [2022-03-20 02:45:27,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:27,938 INFO L478 AbstractCegarLoop]: Abstraction has 787 states and 1160 transitions. [2022-03-20 02:45:27,938 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 02:45:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1160 transitions. [2022-03-20 02:45:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-03-20 02:45:27,940 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:27,940 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 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] [2022-03-20 02:45:27,940 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 02:45:27,940 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:27,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:27,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1099530376, now seen corresponding path program 2 times [2022-03-20 02:45:27,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:27,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782649930] [2022-03-20 02:45:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:27,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-20 02:45:28,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:28,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782649930] [2022-03-20 02:45:28,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782649930] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:28,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:28,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:28,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819471664] [2022-03-20 02:45:28,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:28,159 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:28,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:28,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:28,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:28,160 INFO L87 Difference]: Start difference. First operand 787 states and 1160 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 02:45:30,170 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 02:45:30,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:30,601 INFO L93 Difference]: Finished difference Result 1916 states and 2817 transitions. [2022-03-20 02:45:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:30,601 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 152 [2022-03-20 02:45:30,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:30,605 INFO L225 Difference]: With dead ends: 1916 [2022-03-20 02:45:30,606 INFO L226 Difference]: Without dead ends: 1145 [2022-03-20 02:45:30,608 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 02:45:30,609 INFO L913 BasicCegarLoop]: 104 mSDtfsCounter, 110 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:30,610 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 296 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2022-03-20 02:45:30,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 787. [2022-03-20 02:45:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 782 states have (on average 1.4667519181585678) internal successors, (1147), 782 states have internal predecessors, (1147), 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 02:45:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1151 transitions. [2022-03-20 02:45:30,634 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1151 transitions. Word has length 152 [2022-03-20 02:45:30,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:30,634 INFO L478 AbstractCegarLoop]: Abstraction has 787 states and 1151 transitions. [2022-03-20 02:45:30,635 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 02:45:30,635 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1151 transitions. [2022-03-20 02:45:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-03-20 02:45:30,637 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:30,637 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:30,637 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 02:45:30,637 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:30,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1029384155, now seen corresponding path program 1 times [2022-03-20 02:45:30,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:30,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485647398] [2022-03-20 02:45:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:30,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:30,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-20 02:45:30,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:30,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485647398] [2022-03-20 02:45:30,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485647398] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:30,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:30,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:30,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20371310] [2022-03-20 02:45:30,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:30,833 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:30,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:30,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:30,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:30,834 INFO L87 Difference]: Start difference. First operand 787 states and 1151 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 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 02:45:32,845 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 02:45:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:33,340 INFO L93 Difference]: Finished difference Result 1871 states and 2734 transitions. [2022-03-20 02:45:33,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:33,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 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 152 [2022-03-20 02:45:33,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:33,348 INFO L225 Difference]: With dead ends: 1871 [2022-03-20 02:45:33,348 INFO L226 Difference]: Without dead ends: 1236 [2022-03-20 02:45:33,349 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 02:45:33,350 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 113 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:33,350 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 510 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:45:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-03-20 02:45:33,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 867. [2022-03-20 02:45:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 862 states have (on average 1.4535962877030162) internal successors, (1253), 862 states have internal predecessors, (1253), 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 02:45:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1257 transitions. [2022-03-20 02:45:33,376 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1257 transitions. Word has length 152 [2022-03-20 02:45:33,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:33,377 INFO L478 AbstractCegarLoop]: Abstraction has 867 states and 1257 transitions. [2022-03-20 02:45:33,377 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 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 02:45:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1257 transitions. [2022-03-20 02:45:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-20 02:45:33,379 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:33,379 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1] [2022-03-20 02:45:33,379 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 02:45:33,380 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1636398631, now seen corresponding path program 1 times [2022-03-20 02:45:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:33,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569616922] [2022-03-20 02:45:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-20 02:45:33,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:33,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569616922] [2022-03-20 02:45:33,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569616922] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:33,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:33,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:33,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532280412] [2022-03-20 02:45:33,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:33,578 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:33,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:33,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:33,580 INFO L87 Difference]: Start difference. First operand 867 states and 1257 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 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 02:45:35,591 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 02:45:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:35,984 INFO L93 Difference]: Finished difference Result 2077 states and 3012 transitions. [2022-03-20 02:45:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:35,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 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 153 [2022-03-20 02:45:35,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:35,990 INFO L225 Difference]: With dead ends: 2077 [2022-03-20 02:45:35,990 INFO L226 Difference]: Without dead ends: 1226 [2022-03-20 02:45:35,992 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 02:45:35,992 INFO L913 BasicCegarLoop]: 108 mSDtfsCounter, 116 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:35,992 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 300 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:35,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2022-03-20 02:45:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 867. [2022-03-20 02:45:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 862 states have (on average 1.437354988399072) internal successors, (1239), 862 states have internal predecessors, (1239), 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 02:45:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1243 transitions. [2022-03-20 02:45:36,017 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1243 transitions. Word has length 153 [2022-03-20 02:45:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:36,018 INFO L478 AbstractCegarLoop]: Abstraction has 867 states and 1243 transitions. [2022-03-20 02:45:36,018 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 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 02:45:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1243 transitions. [2022-03-20 02:45:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-20 02:45:36,020 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:36,020 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:36,020 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 02:45:36,021 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:36,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash -374709224, now seen corresponding path program 1 times [2022-03-20 02:45:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:36,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679392224] [2022-03-20 02:45:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-20 02:45:36,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:36,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679392224] [2022-03-20 02:45:36,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679392224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:36,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:36,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:36,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143054223] [2022-03-20 02:45:36,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:36,209 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:36,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:36,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:36,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:36,210 INFO L87 Difference]: Start difference. First operand 867 states and 1243 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 02:45:38,221 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 02:45:38,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:38,741 INFO L93 Difference]: Finished difference Result 1821 states and 2619 transitions. [2022-03-20 02:45:38,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:38,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 153 [2022-03-20 02:45:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:38,745 INFO L225 Difference]: With dead ends: 1821 [2022-03-20 02:45:38,745 INFO L226 Difference]: Without dead ends: 1122 [2022-03-20 02:45:38,747 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 02:45:38,748 INFO L913 BasicCegarLoop]: 232 mSDtfsCounter, 89 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:38,748 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 553 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 514 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:45:38,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-03-20 02:45:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 867. [2022-03-20 02:45:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 862 states have (on average 1.4327146171693736) internal successors, (1235), 862 states have internal predecessors, (1235), 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 02:45:38,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1239 transitions. [2022-03-20 02:45:38,785 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1239 transitions. Word has length 153 [2022-03-20 02:45:38,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:38,786 INFO L478 AbstractCegarLoop]: Abstraction has 867 states and 1239 transitions. [2022-03-20 02:45:38,786 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 02:45:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1239 transitions. [2022-03-20 02:45:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-03-20 02:45:38,788 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:38,788 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1] [2022-03-20 02:45:38,788 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 02:45:38,789 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:38,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash -719726875, now seen corresponding path program 1 times [2022-03-20 02:45:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:38,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363118047] [2022-03-20 02:45:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:38,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-20 02:45:38,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:38,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363118047] [2022-03-20 02:45:38,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363118047] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:38,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:38,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:38,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564446203] [2022-03-20 02:45:38,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:38,972 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:38,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:38,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:38,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:38,973 INFO L87 Difference]: Start difference. First operand 867 states and 1239 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 02:45:40,983 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 02:45:41,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:41,374 INFO L93 Difference]: Finished difference Result 2077 states and 2976 transitions. [2022-03-20 02:45:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:41,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 154 [2022-03-20 02:45:41,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:41,379 INFO L225 Difference]: With dead ends: 2077 [2022-03-20 02:45:41,379 INFO L226 Difference]: Without dead ends: 1226 [2022-03-20 02:45:41,381 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 02:45:41,381 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 114 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:41,382 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2022-03-20 02:45:41,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 867. [2022-03-20 02:45:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 862 states have (on average 1.4164733178654292) internal successors, (1221), 862 states have internal predecessors, (1221), 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 02:45:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1225 transitions. [2022-03-20 02:45:41,406 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1225 transitions. Word has length 154 [2022-03-20 02:45:41,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:41,406 INFO L478 AbstractCegarLoop]: Abstraction has 867 states and 1225 transitions. [2022-03-20 02:45:41,407 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 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 02:45:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1225 transitions. [2022-03-20 02:45:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-03-20 02:45:41,409 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:41,409 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 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, 1, 1, 1] [2022-03-20 02:45:41,409 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 02:45:41,409 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:41,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1227152319, now seen corresponding path program 1 times [2022-03-20 02:45:41,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:41,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531398934] [2022-03-20 02:45:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:41,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-20 02:45:41,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:41,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531398934] [2022-03-20 02:45:41,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531398934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:41,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:41,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:41,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099623117] [2022-03-20 02:45:41,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:41,580 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:41,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:41,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:41,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:41,580 INFO L87 Difference]: Start difference. First operand 867 states and 1225 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 02:45:43,590 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 02:45:44,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:44,061 INFO L93 Difference]: Finished difference Result 1937 states and 2759 transitions. [2022-03-20 02:45:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 156 [2022-03-20 02:45:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:44,065 INFO L225 Difference]: With dead ends: 1937 [2022-03-20 02:45:44,065 INFO L226 Difference]: Without dead ends: 1086 [2022-03-20 02:45:44,067 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 02:45:44,068 INFO L913 BasicCegarLoop]: 224 mSDtfsCounter, 77 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:44,068 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 537 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:44,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-03-20 02:45:44,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 871. [2022-03-20 02:45:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 866 states have (on average 1.4145496535796767) internal successors, (1225), 866 states have internal predecessors, (1225), 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 02:45:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1229 transitions. [2022-03-20 02:45:44,090 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1229 transitions. Word has length 156 [2022-03-20 02:45:44,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:44,090 INFO L478 AbstractCegarLoop]: Abstraction has 871 states and 1229 transitions. [2022-03-20 02:45:44,090 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 02:45:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1229 transitions. [2022-03-20 02:45:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-03-20 02:45:44,092 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:44,092 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 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, 1] [2022-03-20 02:45:44,092 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 02:45:44,093 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:44,093 INFO L85 PathProgramCache]: Analyzing trace with hash -35280706, now seen corresponding path program 1 times [2022-03-20 02:45:44,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:44,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736772650] [2022-03-20 02:45:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:44,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-20 02:45:44,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:44,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736772650] [2022-03-20 02:45:44,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736772650] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:44,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:44,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:45:44,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284463108] [2022-03-20 02:45:44,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:44,285 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:45:44,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:44,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:45:44,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:45:44,286 INFO L87 Difference]: Start difference. First operand 871 states and 1229 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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 02:45:46,296 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 02:45:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:46,681 INFO L93 Difference]: Finished difference Result 2085 states and 2956 transitions. [2022-03-20 02:45:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:45:46,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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 157 [2022-03-20 02:45:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:46,685 INFO L225 Difference]: With dead ends: 2085 [2022-03-20 02:45:46,685 INFO L226 Difference]: Without dead ends: 1230 [2022-03-20 02:45:46,686 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 02:45:46,687 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:46,687 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:45:46,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-03-20 02:45:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 886. [2022-03-20 02:45:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 881 states have (on average 1.4188422247446084) internal successors, (1250), 881 states have internal predecessors, (1250), 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 02:45:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1254 transitions. [2022-03-20 02:45:46,712 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1254 transitions. Word has length 157 [2022-03-20 02:45:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:46,712 INFO L478 AbstractCegarLoop]: Abstraction has 886 states and 1254 transitions. [2022-03-20 02:45:46,712 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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 02:45:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1254 transitions. [2022-03-20 02:45:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-20 02:45:46,714 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:46,715 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 3, 3, 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, 1, 1, 1] [2022-03-20 02:45:46,715 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 02:45:46,715 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:46,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1137385555, now seen corresponding path program 1 times [2022-03-20 02:45:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:46,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661575067] [2022-03-20 02:45:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 94 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-03-20 02:45:46,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:46,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661575067] [2022-03-20 02:45:46,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661575067] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:45:46,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198160075] [2022-03-20 02:45:46,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:46,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:45:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:45:46,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:45:46,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 02:45:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:47,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-20 02:45:47,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:45:47,941 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-20 02:45:47,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-20 02:45:47,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-20 02:45:47,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 02:45:47,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9