/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 00:40:55,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 00:40:55,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 00:40:55,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 00:40:55,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 00:40:55,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 00:40:55,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 00:40:55,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 00:40:55,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 00:40:55,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 00:40:55,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 00:40:55,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 00:40:55,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 00:40:55,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 00:40:55,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 00:40:55,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 00:40:55,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 00:40:55,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 00:40:55,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 00:40:55,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 00:40:55,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 00:40:55,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 00:40:55,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 00:40:55,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 00:40:55,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 00:40:55,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 00:40:55,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 00:40:55,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 00:40:55,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 00:40:55,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 00:40:55,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 00:40:55,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 00:40:55,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 00:40:55,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 00:40:55,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 00:40:55,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 00:40:55,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 00:40:55,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 00:40:55,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 00:40:55,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 00:40:55,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 00:40:55,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-15 00:40:55,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 00:40:55,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 00:40:55,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 00:40:55,180 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 00:40:55,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 00:40:55,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 00:40:55,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 00:40:55,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 00:40:55,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 00:40:55,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 00:40:55,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 00:40:55,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 00:40:55,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:40:55,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 00:40:55,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 00:40:55,183 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-15 00:40:55,183 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 00:40:55,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 00:40:55,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 00:40:55,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 00:40:55,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 00:40:55,384 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 00:40:55,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-02-15 00:40:55,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db282205/ce9759b870444100b5fa8664210f1ade/FLAG2f035c42e [2022-02-15 00:40:55,785 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 00:40:55,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-02-15 00:40:55,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db282205/ce9759b870444100b5fa8664210f1ade/FLAG2f035c42e [2022-02-15 00:40:56,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db282205/ce9759b870444100b5fa8664210f1ade [2022-02-15 00:40:56,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 00:40:56,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 00:40:56,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 00:40:56,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 00:40:56,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 00:40:56,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123c74ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56, skipping insertion in model container [2022-02-15 00:40:56,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 00:40:56,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 00:40:56,525 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.01.i.cil-1.c[65523,65536] [2022-02-15 00:40:56,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:40:56,551 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 00:40:56,604 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.01.i.cil-1.c[65523,65536] [2022-02-15 00:40:56,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:40:56,621 INFO L208 MainTranslator]: Completed translation [2022-02-15 00:40:56,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56 WrapperNode [2022-02-15 00:40:56,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 00:40:56,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 00:40:56,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 00:40:56,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 00:40:56,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 00:40:56,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 00:40:56,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 00:40:56,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 00:40:56,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (1/1) ... [2022-02-15 00:40:56,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:40:56,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:40:56,723 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) [2022-02-15 00:40:56,751 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 [2022-02-15 00:40:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 00:40:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 00:40:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 00:40:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-02-15 00:40:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-02-15 00:40:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 00:40:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-15 00:40:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 00:40:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 00:40:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 00:40:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 00:40:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 00:40:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 00:40:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 00:40:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 00:40:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-02-15 00:40:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 00:40:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 00:40:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 00:40:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 00:40:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 00:40:56,957 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 00:40:56,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 00:40:58,592 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 00:40:58,965 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-15 00:40:58,965 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-15 00:40:58,974 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 00:40:58,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 00:40:58,979 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 00:40:58,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:40:58 BoogieIcfgContainer [2022-02-15 00:40:58,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 00:40:58,990 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-15 00:40:58,990 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-15 00:40:58,990 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-15 00:40:58,992 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:40:58" (1/1) ... [2022-02-15 00:40:59,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:40:59 BasicIcfg [2022-02-15 00:40:59,021 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-15 00:40:59,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 00:40:59,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 00:40:59,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 00:40:59,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:40:56" (1/4) ... [2022-02-15 00:40:59,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f57a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:40:59, skipping insertion in model container [2022-02-15 00:40:59,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:40:56" (2/4) ... [2022-02-15 00:40:59,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f57a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:40:59, skipping insertion in model container [2022-02-15 00:40:59,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:40:58" (3/4) ... [2022-02-15 00:40:59,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f57a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:40:59, skipping insertion in model container [2022-02-15 00:40:59,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:40:59" (4/4) ... [2022-02-15 00:40:59,026 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.cJordan [2022-02-15 00:40:59,029 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-15 00:40:59,029 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 00:40:59,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 00:40:59,079 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 00:40:59,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 00:40:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 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) [2022-02-15 00:40:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-15 00:40:59,128 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:40:59,128 INFO L514 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] [2022-02-15 00:40:59,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:40:59,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:40:59,132 INFO L85 PathProgramCache]: Analyzing trace with hash -106935299, now seen corresponding path program 1 times [2022-02-15 00:40:59,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:40:59,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269197214] [2022-02-15 00:40:59,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:40:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:40:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:40:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:40:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:40:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:40:59,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:40:59,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269197214] [2022-02-15 00:40:59,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269197214] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:40:59,728 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:40:59,728 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:40:59,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639590828] [2022-02-15 00:40:59,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:40:59,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:40:59,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:40:59,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:40:59,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:40:59,761 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 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) [2022-02-15 00:41:01,794 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 [] [2022-02-15 00:41:02,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:02,315 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-02-15 00:41:02,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:02,318 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 [2022-02-15 00:41:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:02,327 INFO L225 Difference]: With dead ends: 144 [2022-02-15 00:41:02,327 INFO L226 Difference]: Without dead ends: 124 [2022-02-15 00:41:02,328 INFO L932 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 [2022-02-15 00:41:02,331 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:02,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:41:02,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-02-15 00:41:02,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-02-15 00:41:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 118 states have (on average 1.4915254237288136) internal successors, (176), 118 states have internal predecessors, (176), 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) [2022-02-15 00:41:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-02-15 00:41:02,373 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-02-15 00:41:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:02,373 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-02-15 00:41:02,374 INFO L471 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) [2022-02-15 00:41:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-02-15 00:41:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 00:41:02,375 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:02,375 INFO L514 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, 1] [2022-02-15 00:41:02,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 00:41:02,375 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:02,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:02,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1091565072, now seen corresponding path program 1 times [2022-02-15 00:41:02,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:02,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088750651] [2022-02-15 00:41:02,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:02,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:02,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:02,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088750651] [2022-02-15 00:41:02,640 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088750651] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:02,640 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:02,640 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:41:02,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342835625] [2022-02-15 00:41:02,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:02,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:02,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:02,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:02,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:02,654 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:04,664 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 [] [2022-02-15 00:41:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:04,969 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-02-15 00:41:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:04,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-02-15 00:41:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:04,972 INFO L225 Difference]: With dead ends: 226 [2022-02-15 00:41:04,972 INFO L226 Difference]: Without dead ends: 226 [2022-02-15 00:41:04,972 INFO L932 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 [2022-02-15 00:41:04,973 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:04,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 323 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:04,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-15 00:41:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-02-15 00:41:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 221 states have internal predecessors, (326), 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) [2022-02-15 00:41:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-02-15 00:41:04,985 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-02-15 00:41:04,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:04,985 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-02-15 00:41:04,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-02-15 00:41:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-15 00:41:04,987 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:04,987 INFO L514 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, 1] [2022-02-15 00:41:04,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 00:41:04,987 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:04,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1300196515, now seen corresponding path program 1 times [2022-02-15 00:41:04,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:04,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347110811] [2022-02-15 00:41:04,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:05,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:05,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347110811] [2022-02-15 00:41:05,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347110811] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:05,221 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:05,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:05,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629021068] [2022-02-15 00:41:05,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:05,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:05,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:05,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:05,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:05,222 INFO L87 Difference]: Start difference. First operand 226 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-02-15 00:41:07,230 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 [] [2022-02-15 00:41:07,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:07,758 INFO L93 Difference]: Finished difference Result 411 states and 606 transitions. [2022-02-15 00:41:07,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:07,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 60 [2022-02-15 00:41:07,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:07,764 INFO L225 Difference]: With dead ends: 411 [2022-02-15 00:41:07,765 INFO L226 Difference]: Without dead ends: 411 [2022-02-15 00:41:07,765 INFO L932 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 [2022-02-15 00:41:07,768 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:07,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 285 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:41:07,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-02-15 00:41:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 274. [2022-02-15 00:41:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 269 states have (on average 1.5241635687732342) internal successors, (410), 269 states have internal predecessors, (410), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 414 transitions. [2022-02-15 00:41:07,798 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 414 transitions. Word has length 60 [2022-02-15 00:41:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:07,799 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 414 transitions. [2022-02-15 00:41:07,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-02-15 00:41:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 414 transitions. [2022-02-15 00:41:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-15 00:41:07,801 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:07,801 INFO L514 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, 1, 1] [2022-02-15 00:41:07,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 00:41:07,801 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1650439118, now seen corresponding path program 1 times [2022-02-15 00:41:07,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:07,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544427821] [2022-02-15 00:41:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:07,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:08,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:08,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544427821] [2022-02-15 00:41:08,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544427821] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:08,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:08,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:08,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544594172] [2022-02-15 00:41:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:08,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:08,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:08,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:08,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:08,017 INFO L87 Difference]: Start difference. First operand 274 states and 414 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-02-15 00:41:10,028 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 [] [2022-02-15 00:41:10,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:10,375 INFO L93 Difference]: Finished difference Result 309 states and 466 transitions. [2022-02-15 00:41:10,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:10,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 61 [2022-02-15 00:41:10,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:10,377 INFO L225 Difference]: With dead ends: 309 [2022-02-15 00:41:10,377 INFO L226 Difference]: Without dead ends: 309 [2022-02-15 00:41:10,378 INFO L932 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 [2022-02-15 00:41:10,379 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:10,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 490 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-02-15 00:41:10,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 292. [2022-02-15 00:41:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 287 states have (on average 1.5331010452961673) internal successors, (440), 287 states have internal predecessors, (440), 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) [2022-02-15 00:41:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 444 transitions. [2022-02-15 00:41:10,387 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 444 transitions. Word has length 61 [2022-02-15 00:41:10,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:10,388 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 444 transitions. [2022-02-15 00:41:10,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-02-15 00:41:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 444 transitions. [2022-02-15 00:41:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-15 00:41:10,390 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:10,390 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:10,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 00:41:10,390 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:10,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:10,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1950691167, now seen corresponding path program 2 times [2022-02-15 00:41:10,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:10,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368470232] [2022-02-15 00:41:10,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:10,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:10,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:10,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368470232] [2022-02-15 00:41:10,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368470232] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:10,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:10,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:10,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512771820] [2022-02-15 00:41:10,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:10,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:10,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:10,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:10,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:10,610 INFO L87 Difference]: Start difference. First operand 292 states and 444 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) [2022-02-15 00:41:11,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:13,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:15,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:17,797 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 [] [2022-02-15 00:41:18,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:18,128 INFO L93 Difference]: Finished difference Result 475 states and 715 transitions. [2022-02-15 00:41:18,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:18,128 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 [2022-02-15 00:41:18,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:18,130 INFO L225 Difference]: With dead ends: 475 [2022-02-15 00:41:18,130 INFO L226 Difference]: Without dead ends: 475 [2022-02-15 00:41:18,130 INFO L932 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 [2022-02-15 00:41:18,131 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 113 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 43 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:18,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 302 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 382 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2022-02-15 00:41:18,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-02-15 00:41:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 314. [2022-02-15 00:41:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5177993527508091) internal successors, (469), 309 states have internal predecessors, (469), 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) [2022-02-15 00:41:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 473 transitions. [2022-02-15 00:41:18,138 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 473 transitions. Word has length 76 [2022-02-15 00:41:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:18,138 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 473 transitions. [2022-02-15 00:41:18,138 INFO L471 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) [2022-02-15 00:41:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 473 transitions. [2022-02-15 00:41:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-15 00:41:18,140 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:18,140 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:18,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 00:41:18,140 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2051877695, now seen corresponding path program 1 times [2022-02-15 00:41:18,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:18,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692640368] [2022-02-15 00:41:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:18,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:18,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:18,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692640368] [2022-02-15 00:41:18,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692640368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:18,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:18,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:18,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929438197] [2022-02-15 00:41:18,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:18,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:18,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:18,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:18,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:18,328 INFO L87 Difference]: Start difference. First operand 314 states and 473 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) [2022-02-15 00:41:20,343 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 [] [2022-02-15 00:41:20,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:20,705 INFO L93 Difference]: Finished difference Result 330 states and 493 transitions. [2022-02-15 00:41:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:20,706 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 [2022-02-15 00:41:20,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:20,707 INFO L225 Difference]: With dead ends: 330 [2022-02-15 00:41:20,707 INFO L226 Difference]: Without dead ends: 330 [2022-02-15 00:41:20,707 INFO L932 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 [2022-02-15 00:41:20,708 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 35 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 488 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 [2022-02-15 00:41:20,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 488 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:20,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-02-15 00:41:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 314. [2022-02-15 00:41:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5145631067961165) internal successors, (468), 309 states have internal predecessors, (468), 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) [2022-02-15 00:41:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 472 transitions. [2022-02-15 00:41:20,714 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 472 transitions. Word has length 76 [2022-02-15 00:41:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:20,714 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 472 transitions. [2022-02-15 00:41:20,714 INFO L471 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) [2022-02-15 00:41:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 472 transitions. [2022-02-15 00:41:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 00:41:20,715 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:20,715 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:20,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 00:41:20,716 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:20,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:20,716 INFO L85 PathProgramCache]: Analyzing trace with hash 157415765, now seen corresponding path program 1 times [2022-02-15 00:41:20,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:20,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174080691] [2022-02-15 00:41:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:20,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:20,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:20,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174080691] [2022-02-15 00:41:20,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174080691] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:20,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:20,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:20,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088171557] [2022-02-15 00:41:20,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:20,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:20,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:20,887 INFO L87 Difference]: Start difference. First operand 314 states and 472 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-02-15 00:41:22,896 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 [] [2022-02-15 00:41:23,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:23,219 INFO L93 Difference]: Finished difference Result 330 states and 492 transitions. [2022-02-15 00:41:23,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:23,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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 [2022-02-15 00:41:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:23,221 INFO L225 Difference]: With dead ends: 330 [2022-02-15 00:41:23,221 INFO L226 Difference]: Without dead ends: 330 [2022-02-15 00:41:23,221 INFO L932 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 [2022-02-15 00:41:23,222 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 33 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:23,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 486 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-02-15 00:41:23,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 314. [2022-02-15 00:41:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5113268608414239) internal successors, (467), 309 states have internal predecessors, (467), 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) [2022-02-15 00:41:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 471 transitions. [2022-02-15 00:41:23,229 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 471 transitions. Word has length 77 [2022-02-15 00:41:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:23,229 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 471 transitions. [2022-02-15 00:41:23,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-02-15 00:41:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 471 transitions. [2022-02-15 00:41:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 00:41:23,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:23,230 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:23,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 00:41:23,230 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:23,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:23,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2108157307, now seen corresponding path program 1 times [2022-02-15 00:41:23,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:23,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865508824] [2022-02-15 00:41:23,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:23,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:23,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865508824] [2022-02-15 00:41:23,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865508824] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:23,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:23,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:23,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057073845] [2022-02-15 00:41:23,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:23,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:23,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:23,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:23,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:23,408 INFO L87 Difference]: Start difference. First operand 314 states and 471 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2022-02-15 00:41:25,418 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 [] [2022-02-15 00:41:25,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:25,808 INFO L93 Difference]: Finished difference Result 476 states and 709 transitions. [2022-02-15 00:41:25,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:25,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2022-02-15 00:41:25,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:25,810 INFO L225 Difference]: With dead ends: 476 [2022-02-15 00:41:25,810 INFO L226 Difference]: Without dead ends: 476 [2022-02-15 00:41:25,810 INFO L932 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 [2022-02-15 00:41:25,810 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 118 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:25,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-02-15 00:41:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 320. [2022-02-15 00:41:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 315 states have (on average 1.5047619047619047) internal successors, (474), 315 states have internal predecessors, (474), 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) [2022-02-15 00:41:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 478 transitions. [2022-02-15 00:41:25,817 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 478 transitions. Word has length 78 [2022-02-15 00:41:25,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:25,817 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 478 transitions. [2022-02-15 00:41:25,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2022-02-15 00:41:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 478 transitions. [2022-02-15 00:41:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-15 00:41:25,818 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:25,818 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 1] [2022-02-15 00:41:25,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 00:41:25,818 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:25,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:25,819 INFO L85 PathProgramCache]: Analyzing trace with hash 716258738, now seen corresponding path program 1 times [2022-02-15 00:41:25,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:25,819 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801304865] [2022-02-15 00:41:25,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:25,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:25,968 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:25,968 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801304865] [2022-02-15 00:41:25,968 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801304865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:25,968 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:25,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:25,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805294048] [2022-02-15 00:41:25,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:25,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:25,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:25,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:25,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:25,970 INFO L87 Difference]: Start difference. First operand 320 states and 478 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:27,979 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 [] [2022-02-15 00:41:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:28,356 INFO L93 Difference]: Finished difference Result 476 states and 704 transitions. [2022-02-15 00:41:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:28,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-02-15 00:41:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:28,358 INFO L225 Difference]: With dead ends: 476 [2022-02-15 00:41:28,358 INFO L226 Difference]: Without dead ends: 476 [2022-02-15 00:41:28,358 INFO L932 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 [2022-02-15 00:41:28,359 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 116 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:28,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-02-15 00:41:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 322. [2022-02-15 00:41:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.4921135646687698) internal successors, (473), 317 states have internal predecessors, (473), 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) [2022-02-15 00:41:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 477 transitions. [2022-02-15 00:41:28,365 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 477 transitions. Word has length 79 [2022-02-15 00:41:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:28,365 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 477 transitions. [2022-02-15 00:41:28,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 477 transitions. [2022-02-15 00:41:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-15 00:41:28,366 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:28,366 INFO L514 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, 1] [2022-02-15 00:41:28,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 00:41:28,366 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:28,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:28,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2090076171, now seen corresponding path program 1 times [2022-02-15 00:41:28,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:28,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664688256] [2022-02-15 00:41:28,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:28,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-15 00:41:28,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:28,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664688256] [2022-02-15 00:41:28,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664688256] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:28,607 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:28,607 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:41:28,607 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010166074] [2022-02-15 00:41:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:28,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:28,608 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:28,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:28,610 INFO L87 Difference]: Start difference. First operand 322 states and 477 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:30,619 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 [] [2022-02-15 00:41:31,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:31,005 INFO L93 Difference]: Finished difference Result 483 states and 715 transitions. [2022-02-15 00:41:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-02-15 00:41:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:31,007 INFO L225 Difference]: With dead ends: 483 [2022-02-15 00:41:31,007 INFO L226 Difference]: Without dead ends: 483 [2022-02-15 00:41:31,007 INFO L932 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 [2022-02-15 00:41:31,008 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 127 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:31,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 483 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:31,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-02-15 00:41:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2022-02-15 00:41:31,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 478 states have (on average 1.4874476987447698) internal successors, (711), 478 states have internal predecessors, (711), 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) [2022-02-15 00:41:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 715 transitions. [2022-02-15 00:41:31,016 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 715 transitions. Word has length 79 [2022-02-15 00:41:31,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:31,016 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 715 transitions. [2022-02-15 00:41:31,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 715 transitions. [2022-02-15 00:41:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-15 00:41:31,017 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:31,017 INFO L514 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, 1] [2022-02-15 00:41:31,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 00:41:31,017 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:31,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:31,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1243277108, now seen corresponding path program 1 times [2022-02-15 00:41:31,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:31,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070549697] [2022-02-15 00:41:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:31,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:31,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070549697] [2022-02-15 00:41:31,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070549697] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:31,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:31,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:41:31,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352221588] [2022-02-15 00:41:31,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:31,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:31,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:31,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:31,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:31,146 INFO L87 Difference]: Start difference. First operand 483 states and 715 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:33,154 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 [] [2022-02-15 00:41:33,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:33,380 INFO L93 Difference]: Finished difference Result 507 states and 747 transitions. [2022-02-15 00:41:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-02-15 00:41:33,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:33,382 INFO L225 Difference]: With dead ends: 507 [2022-02-15 00:41:33,382 INFO L226 Difference]: Without dead ends: 507 [2022-02-15 00:41:33,382 INFO L932 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 [2022-02-15 00:41:33,383 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 15 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:33,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 363 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:41:33,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-02-15 00:41:33,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2022-02-15 00:41:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 502 states have (on average 1.4800796812749004) internal successors, (743), 502 states have internal predecessors, (743), 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) [2022-02-15 00:41:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 747 transitions. [2022-02-15 00:41:33,391 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 747 transitions. Word has length 79 [2022-02-15 00:41:33,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:33,391 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 747 transitions. [2022-02-15 00:41:33,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 747 transitions. [2022-02-15 00:41:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-02-15 00:41:33,392 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:33,392 INFO L514 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, 1, 1] [2022-02-15 00:41:33,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 00:41:33,393 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:33,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:33,393 INFO L85 PathProgramCache]: Analyzing trace with hash -194398162, now seen corresponding path program 1 times [2022-02-15 00:41:33,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:33,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850476095] [2022-02-15 00:41:33,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:33,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-15 00:41:33,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:33,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850476095] [2022-02-15 00:41:33,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850476095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:33,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:33,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:41:33,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663441378] [2022-02-15 00:41:33,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:33,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:33,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:33,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:33,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:33,532 INFO L87 Difference]: Start difference. First operand 507 states and 747 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-02-15 00:41:35,545 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 [] [2022-02-15 00:41:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:35,949 INFO L93 Difference]: Finished difference Result 652 states and 962 transitions. [2022-02-15 00:41:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:35,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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 99 [2022-02-15 00:41:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:35,951 INFO L225 Difference]: With dead ends: 652 [2022-02-15 00:41:35,951 INFO L226 Difference]: Without dead ends: 652 [2022-02-15 00:41:35,951 INFO L932 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 [2022-02-15 00:41:35,952 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 127 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:35,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 482 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-02-15 00:41:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2022-02-15 00:41:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 647 states have (on average 1.480680061823802) internal successors, (958), 647 states have internal predecessors, (958), 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) [2022-02-15 00:41:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 962 transitions. [2022-02-15 00:41:35,962 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 962 transitions. Word has length 99 [2022-02-15 00:41:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:35,962 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 962 transitions. [2022-02-15 00:41:35,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-02-15 00:41:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 962 transitions. [2022-02-15 00:41:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-02-15 00:41:35,963 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:35,963 INFO L514 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, 1] [2022-02-15 00:41:35,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 00:41:35,964 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:35,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229179, now seen corresponding path program 1 times [2022-02-15 00:41:35,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:35,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720276931] [2022-02-15 00:41:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-15 00:41:36,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:36,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720276931] [2022-02-15 00:41:36,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720276931] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:36,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:36,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:41:36,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342615916] [2022-02-15 00:41:36,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:36,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:36,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:36,105 INFO L87 Difference]: Start difference. First operand 652 states and 962 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:38,118 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 [] [2022-02-15 00:41:38,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:38,480 INFO L93 Difference]: Finished difference Result 811 states and 1197 transitions. [2022-02-15 00:41:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:38,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-02-15 00:41:38,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:38,483 INFO L225 Difference]: With dead ends: 811 [2022-02-15 00:41:38,483 INFO L226 Difference]: Without dead ends: 811 [2022-02-15 00:41:38,483 INFO L932 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 [2022-02-15 00:41:38,483 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:38,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 480 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 340 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-02-15 00:41:38,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2022-02-15 00:41:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 806 states have (on average 1.4801488833746899) internal successors, (1193), 806 states have internal predecessors, (1193), 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) [2022-02-15 00:41:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1197 transitions. [2022-02-15 00:41:38,496 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1197 transitions. Word has length 119 [2022-02-15 00:41:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:38,496 INFO L470 AbstractCegarLoop]: Abstraction has 811 states and 1197 transitions. [2022-02-15 00:41:38,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1197 transitions. [2022-02-15 00:41:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 00:41:38,498 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:38,498 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:38,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 00:41:38,498 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:38,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:38,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1955762567, now seen corresponding path program 1 times [2022-02-15 00:41:38,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:38,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937221478] [2022-02-15 00:41:38,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:38,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-02-15 00:41:38,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:38,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937221478] [2022-02-15 00:41:38,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937221478] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:38,692 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:38,692 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:38,692 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426310752] [2022-02-15 00:41:38,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:38,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:38,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:38,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:38,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:38,693 INFO L87 Difference]: Start difference. First operand 811 states and 1197 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-02-15 00:41:40,702 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 [] [2022-02-15 00:41:41,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:41,067 INFO L93 Difference]: Finished difference Result 958 states and 1396 transitions. [2022-02-15 00:41:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:41,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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 146 [2022-02-15 00:41:41,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:41,070 INFO L225 Difference]: With dead ends: 958 [2022-02-15 00:41:41,070 INFO L226 Difference]: Without dead ends: 958 [2022-02-15 00:41:41,070 INFO L932 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 [2022-02-15 00:41:41,070 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 46 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:41,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 524 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 405 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:41,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-02-15 00:41:41,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 847. [2022-02-15 00:41:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 842 states have (on average 1.497624703087886) internal successors, (1261), 842 states have internal predecessors, (1261), 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) [2022-02-15 00:41:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1265 transitions. [2022-02-15 00:41:41,083 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1265 transitions. Word has length 146 [2022-02-15 00:41:41,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:41,083 INFO L470 AbstractCegarLoop]: Abstraction has 847 states and 1265 transitions. [2022-02-15 00:41:41,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-02-15 00:41:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1265 transitions. [2022-02-15 00:41:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-02-15 00:41:41,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:41,085 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-02-15 00:41:41,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 00:41:41,085 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:41,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:41,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1071716644, now seen corresponding path program 1 times [2022-02-15 00:41:41,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:41,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56202381] [2022-02-15 00:41:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:41,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-02-15 00:41:41,248 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:41,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56202381] [2022-02-15 00:41:41,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56202381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:41,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:41,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:41,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942860067] [2022-02-15 00:41:41,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:41,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:41,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:41,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:41,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:41,249 INFO L87 Difference]: Start difference. First operand 847 states and 1265 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-02-15 00:41:43,257 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 [] [2022-02-15 00:41:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:43,633 INFO L93 Difference]: Finished difference Result 1306 states and 1919 transitions. [2022-02-15 00:41:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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 161 [2022-02-15 00:41:43,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:43,637 INFO L225 Difference]: With dead ends: 1306 [2022-02-15 00:41:43,637 INFO L226 Difference]: Without dead ends: 1306 [2022-02-15 00:41:43,637 INFO L932 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 [2022-02-15 00:41:43,638 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 111 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:43,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-02-15 00:41:43,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 952. [2022-02-15 00:41:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4963041182682155) internal successors, (1417), 947 states have internal predecessors, (1417), 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) [2022-02-15 00:41:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1421 transitions. [2022-02-15 00:41:43,653 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1421 transitions. Word has length 161 [2022-02-15 00:41:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:43,653 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1421 transitions. [2022-02-15 00:41:43,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-02-15 00:41:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1421 transitions. [2022-02-15 00:41:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-02-15 00:41:43,690 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:43,690 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-02-15 00:41:43,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 00:41:43,690 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:43,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2146697243, now seen corresponding path program 1 times [2022-02-15 00:41:43,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:43,691 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834198792] [2022-02-15 00:41:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:43,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-15 00:41:43,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:43,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834198792] [2022-02-15 00:41:43,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834198792] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:43,850 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:43,850 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:43,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956693989] [2022-02-15 00:41:43,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:43,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:43,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:43,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:43,851 INFO L87 Difference]: Start difference. First operand 952 states and 1421 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2022-02-15 00:41:45,862 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 [] [2022-02-15 00:41:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:46,171 INFO L93 Difference]: Finished difference Result 1063 states and 1548 transitions. [2022-02-15 00:41:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:46,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 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 161 [2022-02-15 00:41:46,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:46,174 INFO L225 Difference]: With dead ends: 1063 [2022-02-15 00:41:46,174 INFO L226 Difference]: Without dead ends: 1063 [2022-02-15 00:41:46,174 INFO L932 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 [2022-02-15 00:41:46,175 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 56 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:46,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 521 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 402 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-02-15 00:41:46,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 952. [2022-02-15 00:41:46,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4920802534318902) internal successors, (1413), 947 states have internal predecessors, (1413), 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) [2022-02-15 00:41:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1417 transitions. [2022-02-15 00:41:46,199 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1417 transitions. Word has length 161 [2022-02-15 00:41:46,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:46,199 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1417 transitions. [2022-02-15 00:41:46,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2022-02-15 00:41:46,200 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1417 transitions. [2022-02-15 00:41:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-15 00:41:46,201 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:46,201 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-02-15 00:41:46,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 00:41:46,202 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:46,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:46,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1750862409, now seen corresponding path program 1 times [2022-02-15 00:41:46,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:46,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470619295] [2022-02-15 00:41:46,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:46,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-15 00:41:46,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:46,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470619295] [2022-02-15 00:41:46,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470619295] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:46,486 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:46,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:46,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690350424] [2022-02-15 00:41:46,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:46,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:46,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:46,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:46,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:46,487 INFO L87 Difference]: Start difference. First operand 952 states and 1417 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) [2022-02-15 00:41:48,499 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 [] [2022-02-15 00:41:48,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:48,819 INFO L93 Difference]: Finished difference Result 1027 states and 1500 transitions. [2022-02-15 00:41:48,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:48,820 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 162 [2022-02-15 00:41:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:48,822 INFO L225 Difference]: With dead ends: 1027 [2022-02-15 00:41:48,822 INFO L226 Difference]: Without dead ends: 1027 [2022-02-15 00:41:48,822 INFO L932 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 [2022-02-15 00:41:48,823 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 47 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:48,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 507 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:48,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2022-02-15 00:41:48,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 952. [2022-02-15 00:41:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.487856388595565) internal successors, (1409), 947 states have internal predecessors, (1409), 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) [2022-02-15 00:41:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1413 transitions. [2022-02-15 00:41:48,845 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1413 transitions. Word has length 162 [2022-02-15 00:41:48,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:48,845 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1413 transitions. [2022-02-15 00:41:48,845 INFO L471 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) [2022-02-15 00:41:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1413 transitions. [2022-02-15 00:41:48,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-02-15 00:41:48,850 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:48,850 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:48,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 00:41:48,850 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:48,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash 148566336, now seen corresponding path program 1 times [2022-02-15 00:41:48,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:48,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242419361] [2022-02-15 00:41:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 229 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-02-15 00:41:49,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:49,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242419361] [2022-02-15 00:41:49,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242419361] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:41:49,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583248793] [2022-02-15 00:41:49,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:49,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:41:49,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:41:49,051 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) [2022-02-15 00:41:49,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-15 00:41:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:49,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 00:41:49,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:41:50,052 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:41:50,052 INFO L387 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 91 [2022-02-15 00:41:50,057 INFO L387 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 71 treesize of output 35 [2022-02-15 00:41:50,069 INFO L387 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 [2022-02-15 00:41:50,076 INFO L387 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 [2022-02-15 00:41:50,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-02-15 00:41:50,231 INFO L387 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 9 treesize of output 3 [2022-02-15 00:41:50,268 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:41:50,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:41:50,368 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:41:50,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-15 00:41:50,412 INFO L387 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 19 treesize of output 7 [2022-02-15 00:41:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 195 proven. 40 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-15 00:41:50,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:41:50,613 INFO L387 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 20 treesize of output 18 [2022-02-15 00:41:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-15 00:41:50,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583248793] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:41:50,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:41:50,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:41:50,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392020220] [2022-02-15 00:41:50,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:50,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:50,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:50,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:50,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:41:50,705 INFO L87 Difference]: Start difference. First operand 952 states and 1413 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:52,712 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 [] [2022-02-15 00:41:52,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:52,948 INFO L93 Difference]: Finished difference Result 1286 states and 1862 transitions. [2022-02-15 00:41:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:52,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 1 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 164 [2022-02-15 00:41:52,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:52,951 INFO L225 Difference]: With dead ends: 1286 [2022-02-15 00:41:52,951 INFO L226 Difference]: Without dead ends: 1286 [2022-02-15 00:41:52,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:41:52,952 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 110 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:52,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 294 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:41:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2022-02-15 00:41:52,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 952. [2022-02-15 00:41:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4730728616684265) internal successors, (1395), 947 states have internal predecessors, (1395), 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) [2022-02-15 00:41:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1399 transitions. [2022-02-15 00:41:52,964 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1399 transitions. Word has length 164 [2022-02-15 00:41:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:52,964 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1399 transitions. [2022-02-15 00:41:52,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1399 transitions. [2022-02-15 00:41:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-02-15 00:41:52,966 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:52,966 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:52,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-15 00:41:53,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-15 00:41:53,187 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:53,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:53,188 INFO L85 PathProgramCache]: Analyzing trace with hash -422063492, now seen corresponding path program 1 times [2022-02-15 00:41:53,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:53,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955790675] [2022-02-15 00:41:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:53,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 231 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-15 00:41:53,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:53,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955790675] [2022-02-15 00:41:53,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955790675] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:41:53,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469835148] [2022-02-15 00:41:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:53,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:41:53,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:41:53,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:41:53,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 00:41:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:54,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 00:41:54,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:41:54,356 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:41:54,356 INFO L387 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 91 [2022-02-15 00:41:54,360 INFO L387 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 71 treesize of output 35 [2022-02-15 00:41:54,370 INFO L387 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 [2022-02-15 00:41:54,375 INFO L387 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 [2022-02-15 00:41:54,456 INFO L387 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 9 treesize of output 3 [2022-02-15 00:41:54,495 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-15 00:41:54,500 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 7 treesize of output 3 [2022-02-15 00:41:54,531 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:41:54,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:41:54,614 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:41:54,615 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-15 00:41:54,651 INFO L387 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 19 treesize of output 7 [2022-02-15 00:41:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 199 proven. 40 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-15 00:41:54,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:41:54,867 INFO L387 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 20 treesize of output 18 [2022-02-15 00:41:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-15 00:41:54,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469835148] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:41:54,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:41:54,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:41:54,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740569332] [2022-02-15 00:41:54,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:54,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:54,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:54,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:54,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:41:54,956 INFO L87 Difference]: Start difference. First operand 952 states and 1399 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:56,963 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 [] [2022-02-15 00:41:57,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:57,226 INFO L93 Difference]: Finished difference Result 1282 states and 1843 transitions. [2022-02-15 00:41:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:57,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 1 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 165 [2022-02-15 00:41:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:57,230 INFO L225 Difference]: With dead ends: 1282 [2022-02-15 00:41:57,230 INFO L226 Difference]: Without dead ends: 1282 [2022-02-15 00:41:57,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:41:57,231 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 111 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:57,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 290 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-02-15 00:41:57,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 952. [2022-02-15 00:41:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4582893347412882) internal successors, (1381), 947 states have internal predecessors, (1381), 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) [2022-02-15 00:41:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1385 transitions. [2022-02-15 00:41:57,255 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1385 transitions. Word has length 165 [2022-02-15 00:41:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:57,255 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1385 transitions. [2022-02-15 00:41:57,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1385 transitions. [2022-02-15 00:41:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-02-15 00:41:57,257 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:57,257 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:57,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-15 00:41:57,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:41:57,480 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:57,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:57,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1737330566, now seen corresponding path program 1 times [2022-02-15 00:41:57,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:57,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655540801] [2022-02-15 00:41:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:57,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-15 00:41:57,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:57,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655540801] [2022-02-15 00:41:57,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655540801] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:57,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:57,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:57,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318618637] [2022-02-15 00:41:57,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:57,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:57,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:57,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:57,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:57,637 INFO L87 Difference]: Start difference. First operand 952 states and 1385 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-02-15 00:41:59,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:01,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:03,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:05,422 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 [] [2022-02-15 00:42:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:05,740 INFO L93 Difference]: Finished difference Result 990 states and 1421 transitions. [2022-02-15 00:42:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:05,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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 165 [2022-02-15 00:42:05,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:05,742 INFO L225 Difference]: With dead ends: 990 [2022-02-15 00:42:05,742 INFO L226 Difference]: Without dead ends: 990 [2022-02-15 00:42:05,743 INFO L932 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 [2022-02-15 00:42:05,743 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 26 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:05,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 485 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 351 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-02-15 00:42:05,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2022-02-15 00:42:05,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 952. [2022-02-15 00:42:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.454065469904963) internal successors, (1377), 947 states have internal predecessors, (1377), 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) [2022-02-15 00:42:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1381 transitions. [2022-02-15 00:42:05,754 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1381 transitions. Word has length 165 [2022-02-15 00:42:05,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:05,755 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1381 transitions. [2022-02-15 00:42:05,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-02-15 00:42:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1381 transitions. [2022-02-15 00:42:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-15 00:42:05,756 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:05,756 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:05,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 00:42:05,757 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:05,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:05,757 INFO L85 PathProgramCache]: Analyzing trace with hash 895050319, now seen corresponding path program 1 times [2022-02-15 00:42:05,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:05,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329719741] [2022-02-15 00:42:05,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:05,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:05,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:05,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329719741] [2022-02-15 00:42:05,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329719741] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:05,946 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:05,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:05,946 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581603203] [2022-02-15 00:42:05,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:05,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:05,946 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:05,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:05,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:05,946 INFO L87 Difference]: Start difference. First operand 952 states and 1381 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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) [2022-02-15 00:42:07,954 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 [] [2022-02-15 00:42:08,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:08,414 INFO L93 Difference]: Finished difference Result 1291 states and 1864 transitions. [2022-02-15 00:42:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:08,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 168 [2022-02-15 00:42:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:08,418 INFO L225 Difference]: With dead ends: 1291 [2022-02-15 00:42:08,418 INFO L226 Difference]: Without dead ends: 1291 [2022-02-15 00:42:08,418 INFO L932 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 [2022-02-15 00:42:08,418 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 82 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:08,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 560 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:42:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-02-15 00:42:08,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1056. [2022-02-15 00:42:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1051 states have (on average 1.4548049476688867) internal successors, (1529), 1051 states have internal predecessors, (1529), 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) [2022-02-15 00:42:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1533 transitions. [2022-02-15 00:42:08,453 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1533 transitions. Word has length 168 [2022-02-15 00:42:08,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:08,454 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1533 transitions. [2022-02-15 00:42:08,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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) [2022-02-15 00:42:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1533 transitions. [2022-02-15 00:42:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-15 00:42:08,457 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:08,457 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:08,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 00:42:08,457 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1182159024, now seen corresponding path program 1 times [2022-02-15 00:42:08,457 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:08,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185610446] [2022-02-15 00:42:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:08,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:08,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185610446] [2022-02-15 00:42:08,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185610446] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:08,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:08,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:08,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124775795] [2022-02-15 00:42:08,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:08,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:08,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:08,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:08,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:08,628 INFO L87 Difference]: Start difference. First operand 1056 states and 1533 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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) [2022-02-15 00:42:10,636 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 [] [2022-02-15 00:42:11,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:11,118 INFO L93 Difference]: Finished difference Result 1472 states and 2127 transitions. [2022-02-15 00:42:11,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:11,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 168 [2022-02-15 00:42:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:11,122 INFO L225 Difference]: With dead ends: 1472 [2022-02-15 00:42:11,122 INFO L226 Difference]: Without dead ends: 1472 [2022-02-15 00:42:11,122 INFO L932 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 [2022-02-15 00:42:11,122 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 82 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:11,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 562 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 521 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:11,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-02-15 00:42:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1077. [2022-02-15 00:42:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1072 states have (on average 1.4570895522388059) internal successors, (1562), 1072 states have internal predecessors, (1562), 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) [2022-02-15 00:42:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1566 transitions. [2022-02-15 00:42:11,135 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1566 transitions. Word has length 168 [2022-02-15 00:42:11,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:11,135 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1566 transitions. [2022-02-15 00:42:11,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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) [2022-02-15 00:42:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1566 transitions. [2022-02-15 00:42:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-02-15 00:42:11,137 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:11,137 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-02-15 00:42:11,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 00:42:11,137 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:11,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1879799682, now seen corresponding path program 1 times [2022-02-15 00:42:11,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:11,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174772546] [2022-02-15 00:42:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:11,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:11,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:11,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174772546] [2022-02-15 00:42:11,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174772546] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:11,314 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:11,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:11,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088583940] [2022-02-15 00:42:11,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:11,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:11,314 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:11,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:11,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:11,315 INFO L87 Difference]: Start difference. First operand 1077 states and 1566 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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) [2022-02-15 00:42:13,323 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 [] [2022-02-15 00:42:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:13,672 INFO L93 Difference]: Finished difference Result 1407 states and 2009 transitions. [2022-02-15 00:42:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 183 [2022-02-15 00:42:13,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:13,675 INFO L225 Difference]: With dead ends: 1407 [2022-02-15 00:42:13,675 INFO L226 Difference]: Without dead ends: 1407 [2022-02-15 00:42:13,676 INFO L932 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 [2022-02-15 00:42:13,695 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 118 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:13,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2022-02-15 00:42:13,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1077. [2022-02-15 00:42:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1072 states have (on average 1.4430970149253732) internal successors, (1547), 1072 states have internal predecessors, (1547), 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) [2022-02-15 00:42:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1551 transitions. [2022-02-15 00:42:13,716 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1551 transitions. Word has length 183 [2022-02-15 00:42:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:13,716 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1551 transitions. [2022-02-15 00:42:13,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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) [2022-02-15 00:42:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1551 transitions. [2022-02-15 00:42:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-02-15 00:42:13,718 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:13,718 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-02-15 00:42:13,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 00:42:13,718 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:13,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:13,718 INFO L85 PathProgramCache]: Analyzing trace with hash -882035342, now seen corresponding path program 1 times [2022-02-15 00:42:13,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:13,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405175658] [2022-02-15 00:42:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:13,935 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:13,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405175658] [2022-02-15 00:42:13,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405175658] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:13,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:13,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:13,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848560989] [2022-02-15 00:42:13,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:13,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:13,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:13,936 INFO L87 Difference]: Start difference. First operand 1077 states and 1551 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:15,951 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 [] [2022-02-15 00:42:16,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:16,374 INFO L93 Difference]: Finished difference Result 1380 states and 1982 transitions. [2022-02-15 00:42:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:16,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 184 [2022-02-15 00:42:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:16,378 INFO L225 Difference]: With dead ends: 1380 [2022-02-15 00:42:16,378 INFO L226 Difference]: Without dead ends: 1380 [2022-02-15 00:42:16,378 INFO L932 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 [2022-02-15 00:42:16,378 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 85 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:16,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 544 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 498 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:16,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2022-02-15 00:42:16,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1133. [2022-02-15 00:42:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1128 states have (on average 1.4388297872340425) internal successors, (1623), 1128 states have internal predecessors, (1623), 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) [2022-02-15 00:42:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1627 transitions. [2022-02-15 00:42:16,389 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1627 transitions. Word has length 184 [2022-02-15 00:42:16,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:16,390 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 1627 transitions. [2022-02-15 00:42:16,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:16,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1627 transitions. [2022-02-15 00:42:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-02-15 00:42:16,391 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:16,392 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-02-15 00:42:16,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 00:42:16,392 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:16,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:16,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1477271667, now seen corresponding path program 1 times [2022-02-15 00:42:16,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:16,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261396757] [2022-02-15 00:42:16,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:16,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:16,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:16,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261396757] [2022-02-15 00:42:16,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261396757] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:16,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:16,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:16,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964719771] [2022-02-15 00:42:16,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:16,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:16,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:16,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:16,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:16,579 INFO L87 Difference]: Start difference. First operand 1133 states and 1627 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:18,587 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 [] [2022-02-15 00:42:18,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:18,986 INFO L93 Difference]: Finished difference Result 1427 states and 2044 transitions. [2022-02-15 00:42:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:18,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 184 [2022-02-15 00:42:18,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:18,990 INFO L225 Difference]: With dead ends: 1427 [2022-02-15 00:42:18,990 INFO L226 Difference]: Without dead ends: 1427 [2022-02-15 00:42:18,990 INFO L932 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 [2022-02-15 00:42:18,990 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 85 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:18,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 546 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 497 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:18,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-02-15 00:42:19,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1077. [2022-02-15 00:42:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1072 states have (on average 1.4384328358208955) internal successors, (1542), 1072 states have internal predecessors, (1542), 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) [2022-02-15 00:42:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1546 transitions. [2022-02-15 00:42:19,024 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1546 transitions. Word has length 184 [2022-02-15 00:42:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:19,024 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1546 transitions. [2022-02-15 00:42:19,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1546 transitions. [2022-02-15 00:42:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-02-15 00:42:19,026 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:19,026 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:19,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 00:42:19,026 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:19,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1685046441, now seen corresponding path program 1 times [2022-02-15 00:42:19,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:19,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513625699] [2022-02-15 00:42:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:19,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-02-15 00:42:19,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:19,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513625699] [2022-02-15 00:42:19,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513625699] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:19,193 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:19,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:19,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324706071] [2022-02-15 00:42:19,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:19,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:19,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:19,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:19,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:19,194 INFO L87 Difference]: Start difference. First operand 1077 states and 1546 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) [2022-02-15 00:42:21,203 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 [] [2022-02-15 00:42:21,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:21,527 INFO L93 Difference]: Finished difference Result 1285 states and 1817 transitions. [2022-02-15 00:42:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:21,527 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 187 [2022-02-15 00:42:21,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:21,530 INFO L225 Difference]: With dead ends: 1285 [2022-02-15 00:42:21,530 INFO L226 Difference]: Without dead ends: 1285 [2022-02-15 00:42:21,530 INFO L932 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 [2022-02-15 00:42:21,530 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 32 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:21,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 498 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 372 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:21,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-02-15 00:42:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1187. [2022-02-15 00:42:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1182 states have (on average 1.4357021996615906) internal successors, (1697), 1182 states have internal predecessors, (1697), 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) [2022-02-15 00:42:21,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1701 transitions. [2022-02-15 00:42:21,543 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1701 transitions. Word has length 187 [2022-02-15 00:42:21,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:21,543 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1701 transitions. [2022-02-15 00:42:21,543 INFO L471 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) [2022-02-15 00:42:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1701 transitions. [2022-02-15 00:42:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-02-15 00:42:21,545 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:21,545 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:21,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 00:42:21,546 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:21,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash -575385625, now seen corresponding path program 1 times [2022-02-15 00:42:21,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:21,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294980032] [2022-02-15 00:42:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:21,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:21,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:21,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294980032] [2022-02-15 00:42:21,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294980032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:21,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:21,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:21,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72560914] [2022-02-15 00:42:21,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:21,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:21,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:21,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:21,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:21,727 INFO L87 Difference]: Start difference. First operand 1187 states and 1701 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 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) [2022-02-15 00:42:23,735 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 [] [2022-02-15 00:42:24,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:24,068 INFO L93 Difference]: Finished difference Result 1517 states and 2145 transitions. [2022-02-15 00:42:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:24,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 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 188 [2022-02-15 00:42:24,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:24,071 INFO L225 Difference]: With dead ends: 1517 [2022-02-15 00:42:24,071 INFO L226 Difference]: Without dead ends: 1517 [2022-02-15 00:42:24,072 INFO L932 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 [2022-02-15 00:42:24,072 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 107 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:24,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 288 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:24,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2022-02-15 00:42:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1187. [2022-02-15 00:42:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1182 states have (on average 1.4238578680203047) internal successors, (1683), 1182 states have internal predecessors, (1683), 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) [2022-02-15 00:42:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1687 transitions. [2022-02-15 00:42:24,083 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1687 transitions. Word has length 188 [2022-02-15 00:42:24,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:24,083 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1687 transitions. [2022-02-15 00:42:24,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 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) [2022-02-15 00:42:24,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1687 transitions. [2022-02-15 00:42:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-15 00:42:24,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:24,085 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:24,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 00:42:24,085 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:24,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash 273643671, now seen corresponding path program 1 times [2022-02-15 00:42:24,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:24,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149704488] [2022-02-15 00:42:24,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:24,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:24,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:24,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149704488] [2022-02-15 00:42:24,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149704488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:24,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:24,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:24,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497074106] [2022-02-15 00:42:24,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:24,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:24,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:24,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:24,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:24,260 INFO L87 Difference]: Start difference. First operand 1187 states and 1687 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 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) [2022-02-15 00:42:26,270 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 [] [2022-02-15 00:42:26,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:26,604 INFO L93 Difference]: Finished difference Result 1517 states and 2131 transitions. [2022-02-15 00:42:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:26,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 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 189 [2022-02-15 00:42:26,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:26,608 INFO L225 Difference]: With dead ends: 1517 [2022-02-15 00:42:26,608 INFO L226 Difference]: Without dead ends: 1517 [2022-02-15 00:42:26,608 INFO L932 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 [2022-02-15 00:42:26,608 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 106 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:26,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 288 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:26,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2022-02-15 00:42:26,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1187. [2022-02-15 00:42:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1182 states have (on average 1.4120135363790187) internal successors, (1669), 1182 states have internal predecessors, (1669), 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) [2022-02-15 00:42:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1673 transitions. [2022-02-15 00:42:26,619 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1673 transitions. Word has length 189 [2022-02-15 00:42:26,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:26,619 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1673 transitions. [2022-02-15 00:42:26,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 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) [2022-02-15 00:42:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1673 transitions. [2022-02-15 00:42:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-02-15 00:42:26,621 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:26,621 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:26,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 00:42:26,622 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:26,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash 514643570, now seen corresponding path program 1 times [2022-02-15 00:42:26,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:26,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860974177] [2022-02-15 00:42:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:26,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:26,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:26,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860974177] [2022-02-15 00:42:26,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860974177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:26,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:26,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:26,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305337392] [2022-02-15 00:42:26,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:26,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:26,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:26,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:26,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:26,960 INFO L87 Difference]: Start difference. First operand 1187 states and 1673 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 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) [2022-02-15 00:42:28,974 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 [] [2022-02-15 00:42:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:29,274 INFO L93 Difference]: Finished difference Result 1358 states and 1895 transitions. [2022-02-15 00:42:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:29,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 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 199 [2022-02-15 00:42:29,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:29,277 INFO L225 Difference]: With dead ends: 1358 [2022-02-15 00:42:29,277 INFO L226 Difference]: Without dead ends: 1358 [2022-02-15 00:42:29,277 INFO L932 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 [2022-02-15 00:42:29,278 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 28 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:29,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 490 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2022-02-15 00:42:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1303. [2022-02-15 00:42:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1298 states have (on average 1.4060092449922958) internal successors, (1825), 1298 states have internal predecessors, (1825), 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) [2022-02-15 00:42:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1829 transitions. [2022-02-15 00:42:29,324 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1829 transitions. Word has length 199 [2022-02-15 00:42:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:29,324 INFO L470 AbstractCegarLoop]: Abstraction has 1303 states and 1829 transitions. [2022-02-15 00:42:29,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 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) [2022-02-15 00:42:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1829 transitions. [2022-02-15 00:42:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-02-15 00:42:29,326 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:29,326 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:29,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 00:42:29,326 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:29,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash 534980945, now seen corresponding path program 1 times [2022-02-15 00:42:29,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:29,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194864539] [2022-02-15 00:42:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-02-15 00:42:29,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:29,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194864539] [2022-02-15 00:42:29,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194864539] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:29,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:29,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:29,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382066955] [2022-02-15 00:42:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:29,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:29,567 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:29,567 INFO L87 Difference]: Start difference. First operand 1303 states and 1829 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-02-15 00:42:31,575 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 [] [2022-02-15 00:42:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:32,000 INFO L93 Difference]: Finished difference Result 1710 states and 2398 transitions. [2022-02-15 00:42:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:32,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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 199 [2022-02-15 00:42:32,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:32,004 INFO L225 Difference]: With dead ends: 1710 [2022-02-15 00:42:32,004 INFO L226 Difference]: Without dead ends: 1710 [2022-02-15 00:42:32,004 INFO L932 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 [2022-02-15 00:42:32,005 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 76 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:32,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 548 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 512 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-02-15 00:42:32,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1373. [2022-02-15 00:42:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 1368 states have (on average 1.4071637426900585) internal successors, (1925), 1368 states have internal predecessors, (1925), 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) [2022-02-15 00:42:32,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1929 transitions. [2022-02-15 00:42:32,036 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1929 transitions. Word has length 199 [2022-02-15 00:42:32,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:32,037 INFO L470 AbstractCegarLoop]: Abstraction has 1373 states and 1929 transitions. [2022-02-15 00:42:32,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-02-15 00:42:32,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1929 transitions. [2022-02-15 00:42:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-02-15 00:42:32,039 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:32,039 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:32,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 00:42:32,039 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:32,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:32,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1542228398, now seen corresponding path program 1 times [2022-02-15 00:42:32,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:32,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074050870] [2022-02-15 00:42:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:32,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-02-15 00:42:32,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:32,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074050870] [2022-02-15 00:42:32,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074050870] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:32,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:32,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:32,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724457720] [2022-02-15 00:42:32,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:32,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:32,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:32,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:32,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:32,597 INFO L87 Difference]: Start difference. First operand 1373 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-02-15 00:42:34,605 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 [] [2022-02-15 00:42:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:34,948 INFO L93 Difference]: Finished difference Result 1700 states and 2379 transitions. [2022-02-15 00:42:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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 199 [2022-02-15 00:42:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:34,952 INFO L225 Difference]: With dead ends: 1700 [2022-02-15 00:42:34,952 INFO L226 Difference]: Without dead ends: 1700 [2022-02-15 00:42:34,952 INFO L932 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 [2022-02-15 00:42:34,952 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 103 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:34,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 298 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 391 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-02-15 00:42:34,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1248. [2022-02-15 00:42:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1243 states have (on average 1.411906677393403) internal successors, (1755), 1243 states have internal predecessors, (1755), 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) [2022-02-15 00:42:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1759 transitions. [2022-02-15 00:42:34,963 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1759 transitions. Word has length 199 [2022-02-15 00:42:34,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:34,963 INFO L470 AbstractCegarLoop]: Abstraction has 1248 states and 1759 transitions. [2022-02-15 00:42:34,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-02-15 00:42:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1759 transitions. [2022-02-15 00:42:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-02-15 00:42:34,964 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:34,965 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:34,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 00:42:34,965 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:34,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:34,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2060364558, now seen corresponding path program 1 times [2022-02-15 00:42:34,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:34,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011600916] [2022-02-15 00:42:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:35,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:35,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011600916] [2022-02-15 00:42:35,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011600916] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:35,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:35,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:35,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645141138] [2022-02-15 00:42:35,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:35,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:35,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:35,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:35,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:35,193 INFO L87 Difference]: Start difference. First operand 1248 states and 1759 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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) [2022-02-15 00:42:37,201 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 [] [2022-02-15 00:42:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:37,540 INFO L93 Difference]: Finished difference Result 1705 states and 2379 transitions. [2022-02-15 00:42:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:37,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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 204 [2022-02-15 00:42:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:37,543 INFO L225 Difference]: With dead ends: 1705 [2022-02-15 00:42:37,543 INFO L226 Difference]: Without dead ends: 1705 [2022-02-15 00:42:37,544 INFO L932 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 [2022-02-15 00:42:37,544 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 91 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:37,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 298 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:37,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-02-15 00:42:37,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1438. [2022-02-15 00:42:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1433 states have (on average 1.4235868806699232) internal successors, (2040), 1433 states have internal predecessors, (2040), 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) [2022-02-15 00:42:37,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2044 transitions. [2022-02-15 00:42:37,555 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2044 transitions. Word has length 204 [2022-02-15 00:42:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:37,555 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2044 transitions. [2022-02-15 00:42:37,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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) [2022-02-15 00:42:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2044 transitions. [2022-02-15 00:42:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-02-15 00:42:37,557 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:37,557 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:37,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 00:42:37,557 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:37,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1581459249, now seen corresponding path program 1 times [2022-02-15 00:42:37,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:37,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47184504] [2022-02-15 00:42:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:37,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:37,775 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:37,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47184504] [2022-02-15 00:42:37,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47184504] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:37,775 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:37,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:37,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204616930] [2022-02-15 00:42:37,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:37,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:37,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:37,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:37,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:37,776 INFO L87 Difference]: Start difference. First operand 1438 states and 2044 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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) [2022-02-15 00:42:39,783 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 [] [2022-02-15 00:42:40,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:40,138 INFO L93 Difference]: Finished difference Result 1760 states and 2484 transitions. [2022-02-15 00:42:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:40,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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 204 [2022-02-15 00:42:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:40,141 INFO L225 Difference]: With dead ends: 1760 [2022-02-15 00:42:40,141 INFO L226 Difference]: Without dead ends: 1760 [2022-02-15 00:42:40,141 INFO L932 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 [2022-02-15 00:42:40,142 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 89 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:40,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 298 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 391 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:40,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2022-02-15 00:42:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1503. [2022-02-15 00:42:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1498 states have (on average 1.445260347129506) internal successors, (2165), 1498 states have internal predecessors, (2165), 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) [2022-02-15 00:42:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2169 transitions. [2022-02-15 00:42:40,161 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2169 transitions. Word has length 204 [2022-02-15 00:42:40,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:40,161 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 2169 transitions. [2022-02-15 00:42:40,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 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) [2022-02-15 00:42:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2169 transitions. [2022-02-15 00:42:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-15 00:42:40,163 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:40,164 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:40,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 00:42:40,164 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:40,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:40,164 INFO L85 PathProgramCache]: Analyzing trace with hash 808331708, now seen corresponding path program 1 times [2022-02-15 00:42:40,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:40,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900284465] [2022-02-15 00:42:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:40,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:40,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900284465] [2022-02-15 00:42:40,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900284465] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:40,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:40,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:40,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930260048] [2022-02-15 00:42:40,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:40,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:40,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:40,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:40,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:40,382 INFO L87 Difference]: Start difference. First operand 1503 states and 2169 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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) [2022-02-15 00:42:42,395 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 [] [2022-02-15 00:42:42,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:42,777 INFO L93 Difference]: Finished difference Result 1750 states and 2469 transitions. [2022-02-15 00:42:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:42,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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 205 [2022-02-15 00:42:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:42,780 INFO L225 Difference]: With dead ends: 1750 [2022-02-15 00:42:42,780 INFO L226 Difference]: Without dead ends: 1750 [2022-02-15 00:42:42,780 INFO L932 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 [2022-02-15 00:42:42,780 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 86 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:42,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 300 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 389 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:42,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-02-15 00:42:42,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1508. [2022-02-15 00:42:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1503 states have (on average 1.443779108449767) internal successors, (2170), 1503 states have internal predecessors, (2170), 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) [2022-02-15 00:42:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2174 transitions. [2022-02-15 00:42:42,793 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2174 transitions. Word has length 205 [2022-02-15 00:42:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:42,793 INFO L470 AbstractCegarLoop]: Abstraction has 1508 states and 2174 transitions. [2022-02-15 00:42:42,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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) [2022-02-15 00:42:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2174 transitions. [2022-02-15 00:42:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-15 00:42:42,795 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:42,795 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:42,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 00:42:42,795 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:42,796 INFO L85 PathProgramCache]: Analyzing trace with hash 661031610, now seen corresponding path program 1 times [2022-02-15 00:42:42,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:42,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562203782] [2022-02-15 00:42:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:43,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:43,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562203782] [2022-02-15 00:42:43,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562203782] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:43,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:43,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:43,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993875630] [2022-02-15 00:42:43,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:43,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:43,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:43,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:43,004 INFO L87 Difference]: Start difference. First operand 1508 states and 2174 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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) [2022-02-15 00:42:45,012 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 [] [2022-02-15 00:42:45,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:45,366 INFO L93 Difference]: Finished difference Result 1750 states and 2464 transitions. [2022-02-15 00:42:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:45,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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 205 [2022-02-15 00:42:45,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:45,369 INFO L225 Difference]: With dead ends: 1750 [2022-02-15 00:42:45,369 INFO L226 Difference]: Without dead ends: 1750 [2022-02-15 00:42:45,369 INFO L932 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 [2022-02-15 00:42:45,370 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 87 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:45,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 288 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:45,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-02-15 00:42:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1508. [2022-02-15 00:42:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1503 states have (on average 1.4404524284763807) internal successors, (2165), 1503 states have internal predecessors, (2165), 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) [2022-02-15 00:42:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2169 transitions. [2022-02-15 00:42:45,387 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2169 transitions. Word has length 205 [2022-02-15 00:42:45,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:45,387 INFO L470 AbstractCegarLoop]: Abstraction has 1508 states and 2169 transitions. [2022-02-15 00:42:45,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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) [2022-02-15 00:42:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2169 transitions. [2022-02-15 00:42:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-02-15 00:42:45,389 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:45,389 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:45,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 00:42:45,389 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:45,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:45,389 INFO L85 PathProgramCache]: Analyzing trace with hash 432821487, now seen corresponding path program 1 times [2022-02-15 00:42:45,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:45,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817044514] [2022-02-15 00:42:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-02-15 00:42:45,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:45,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817044514] [2022-02-15 00:42:45,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817044514] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:45,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:45,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:45,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737967599] [2022-02-15 00:42:45,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:45,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:45,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:45,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:45,604 INFO L87 Difference]: Start difference. First operand 1508 states and 2169 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-02-15 00:42:47,612 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 [] [2022-02-15 00:42:47,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:47,914 INFO L93 Difference]: Finished difference Result 1544 states and 2207 transitions. [2022-02-15 00:42:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:47,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 207 [2022-02-15 00:42:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:47,917 INFO L225 Difference]: With dead ends: 1544 [2022-02-15 00:42:47,917 INFO L226 Difference]: Without dead ends: 1544 [2022-02-15 00:42:47,917 INFO L932 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 [2022-02-15 00:42:47,917 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 28 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:47,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 480 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2022-02-15 00:42:47,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1508. [2022-02-15 00:42:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1503 states have (on average 1.4377910844976713) internal successors, (2161), 1503 states have internal predecessors, (2161), 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) [2022-02-15 00:42:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2165 transitions. [2022-02-15 00:42:47,927 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2165 transitions. Word has length 207 [2022-02-15 00:42:47,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:47,927 INFO L470 AbstractCegarLoop]: Abstraction has 1508 states and 2165 transitions. [2022-02-15 00:42:47,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-02-15 00:42:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2165 transitions. [2022-02-15 00:42:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-02-15 00:42:47,929 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:47,929 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:47,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 00:42:47,929 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1741858610, now seen corresponding path program 1 times [2022-02-15 00:42:47,930 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:47,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227858433] [2022-02-15 00:42:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:47,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-02-15 00:42:48,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:48,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227858433] [2022-02-15 00:42:48,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227858433] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:48,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:48,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:48,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471697821] [2022-02-15 00:42:48,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:48,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:48,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:48,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:48,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:48,215 INFO L87 Difference]: Start difference. First operand 1508 states and 2165 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-02-15 00:42:50,223 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 [] [2022-02-15 00:42:50,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:50,572 INFO L93 Difference]: Finished difference Result 1750 states and 2445 transitions. [2022-02-15 00:42:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:50,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 207 [2022-02-15 00:42:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:50,574 INFO L225 Difference]: With dead ends: 1750 [2022-02-15 00:42:50,574 INFO L226 Difference]: Without dead ends: 1750 [2022-02-15 00:42:50,575 INFO L932 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 [2022-02-15 00:42:50,575 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 102 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:50,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 310 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:50,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-02-15 00:42:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1508. [2022-02-15 00:42:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1503 states have (on average 1.4278110445775116) internal successors, (2146), 1503 states have internal predecessors, (2146), 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) [2022-02-15 00:42:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2150 transitions. [2022-02-15 00:42:50,586 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2150 transitions. Word has length 207 [2022-02-15 00:42:50,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:50,586 INFO L470 AbstractCegarLoop]: Abstraction has 1508 states and 2150 transitions. [2022-02-15 00:42:50,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-02-15 00:42:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2150 transitions. [2022-02-15 00:42:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-02-15 00:42:50,588 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:50,588 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:50,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 00:42:50,588 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:50,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1653115712, now seen corresponding path program 1 times [2022-02-15 00:42:50,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:50,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569964544] [2022-02-15 00:42:50,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:50,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-15 00:42:50,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:50,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569964544] [2022-02-15 00:42:50,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569964544] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:50,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:50,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:50,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369905349] [2022-02-15 00:42:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:50,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:50,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:50,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:50,823 INFO L87 Difference]: Start difference. First operand 1508 states and 2150 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 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) [2022-02-15 00:42:52,831 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 [] [2022-02-15 00:42:53,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:53,113 INFO L93 Difference]: Finished difference Result 1661 states and 2354 transitions. [2022-02-15 00:42:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:53,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 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 207 [2022-02-15 00:42:53,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:53,115 INFO L225 Difference]: With dead ends: 1661 [2022-02-15 00:42:53,115 INFO L226 Difference]: Without dead ends: 1661 [2022-02-15 00:42:53,116 INFO L932 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 [2022-02-15 00:42:53,116 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 27 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:53,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 490 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 398 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:53,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-02-15 00:42:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1603. [2022-02-15 00:42:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1598 states have (on average 1.4274092615769711) internal successors, (2281), 1598 states have internal predecessors, (2281), 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) [2022-02-15 00:42:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2285 transitions. [2022-02-15 00:42:53,129 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2285 transitions. Word has length 207 [2022-02-15 00:42:53,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:53,129 INFO L470 AbstractCegarLoop]: Abstraction has 1603 states and 2285 transitions. [2022-02-15 00:42:53,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 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) [2022-02-15 00:42:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2285 transitions. [2022-02-15 00:42:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-02-15 00:42:53,131 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:53,132 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:53,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 00:42:53,132 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 831559952, now seen corresponding path program 1 times [2022-02-15 00:42:53,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:53,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629748414] [2022-02-15 00:42:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:53,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 2 proven. 282 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-02-15 00:42:54,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:54,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629748414] [2022-02-15 00:42:54,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629748414] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:54,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413131775] [2022-02-15 00:42:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:54,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:54,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:42:54,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:42:54,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 00:42:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:56,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 285 conjunts are in the unsatisfiable core [2022-02-15 00:42:56,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:43:39,781 INFO L244 Elim1Store]: Index analysis took 3558 ms