/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.04.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:19:13,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:19:13,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:19:13,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:19:13,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:19:13,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:19:13,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:19:13,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:19:13,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:19:13,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:19:13,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:19:13,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:19:13,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:19:13,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:19:13,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:19:13,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:19:13,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:19:13,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:19:13,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:19:13,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:19:13,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:19:13,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:19:13,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:19:13,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:19:13,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:19:13,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:19:13,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:19:13,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:19:13,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:19:13,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:19:13,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:19:13,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:19:13,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:19:13,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:19:13,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:19:13,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:19:13,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:19:13,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:19:13,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:19:13,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:19:13,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:19:13,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:19:13,564 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:19:13,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:19:13,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:19:13,565 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:19:13,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:19:13,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:19:13,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:19:13,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:19:13,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:19:13,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:19:13,566 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:19:13,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:19:13,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:19:13,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:19:13,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:19:13,568 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:19:13,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:19:13,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:19:13,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:19:13,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:19:13,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:19:13,753 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:19:13,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.04.i.cil-2.c [2022-01-31 16:19:13,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d03f32b/d181f894af9c4982b5de37b579bec681/FLAG4bc86f472 [2022-01-31 16:19:14,240 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:19:14,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.04.i.cil-2.c [2022-01-31 16:19:14,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d03f32b/d181f894af9c4982b5de37b579bec681/FLAG4bc86f472 [2022-01-31 16:19:14,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d03f32b/d181f894af9c4982b5de37b579bec681 [2022-01-31 16:19:14,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:19:14,285 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:19:14,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:19:14,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:19:14,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:19:14,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f4e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14, skipping insertion in model container [2022-01-31 16:19:14,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:19:14,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:19:14,627 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.04.i.cil-2.c[65405,65418] [2022-01-31 16:19:14,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:19:14,639 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:19:14,696 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.04.i.cil-2.c[65405,65418] [2022-01-31 16:19:14,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:19:14,716 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:19:14,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14 WrapperNode [2022-01-31 16:19:14,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:19:14,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:19:14,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:19:14,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:19:14,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:19:14,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:19:14,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:19:14,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:19:14,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (1/1) ... [2022-01-31 16:19:14,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:19:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:19:14,860 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) [2022-01-31 16:19:14,862 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 [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-01-31 16:19:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-01-31 16:19:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-01-31 16:19:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-01-31 16:19:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:19:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:19:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:19:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-01-31 16:19:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-01-31 16:19:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-01-31 16:19:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-01-31 16:19:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:19:14,984 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:19:14,985 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:19:16,118 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:19:16,430 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-01-31 16:19:16,431 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-01-31 16:19:16,447 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:19:16,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:19:16,454 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 16:19:16,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:19:16 BoogieIcfgContainer [2022-01-31 16:19:16,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:19:16,456 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:19:16,456 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:19:16,457 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:19:16,459 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:19:16" (1/1) ... [2022-01-31 16:19:16,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:19:16 BasicIcfg [2022-01-31 16:19:16,497 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:19:16,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:19:16,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:19:16,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:19:16,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:19:14" (1/4) ... [2022-01-31 16:19:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138b57e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:19:16, skipping insertion in model container [2022-01-31 16:19:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:19:14" (2/4) ... [2022-01-31 16:19:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138b57e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:19:16, skipping insertion in model container [2022-01-31 16:19:16,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:19:16" (3/4) ... [2022-01-31 16:19:16,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138b57e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:19:16, skipping insertion in model container [2022-01-31 16:19:16,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:19:16" (4/4) ... [2022-01-31 16:19:16,505 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.04.i.cil-2.cJordan [2022-01-31 16:19:16,510 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:19:16,511 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:19:16,544 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:19:16,548 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 [2022-01-31 16:19:16,548 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:19:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:19:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-31 16:19:16,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:16,565 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] [2022-01-31 16:19:16,566 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:16,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:16,569 INFO L85 PathProgramCache]: Analyzing trace with hash 878389628, now seen corresponding path program 1 times [2022-01-31 16:19:16,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:16,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624095323] [2022-01-31 16:19:16,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:16,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:19:17,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:17,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624095323] [2022-01-31 16:19:17,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624095323] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:17,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:17,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:17,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445852830] [2022-01-31 16:19:17,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:17,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:17,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:17,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:17,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:17,098 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:19,131 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 [] [2022-01-31 16:19:19,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:19,505 INFO L93 Difference]: Finished difference Result 142 states and 227 transitions. [2022-01-31 16:19:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:19,507 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 [2022-01-31 16:19:19,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:19,512 INFO L225 Difference]: With dead ends: 142 [2022-01-31 16:19:19,513 INFO L226 Difference]: Without dead ends: 122 [2022-01-31 16:19:19,513 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 [2022-01-31 16:19:19,515 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:19,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:19,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-01-31 16:19:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-01-31 16:19:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-01-31 16:19:19,542 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-01-31 16:19:19,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:19,542 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-01-31 16:19:19,542 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) [2022-01-31 16:19:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-01-31 16:19:19,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-31 16:19:19,543 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:19,543 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] [2022-01-31 16:19:19,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:19:19,544 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash -189680389, now seen corresponding path program 1 times [2022-01-31 16:19:19,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:19,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557592740] [2022-01-31 16:19:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:19,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:19,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:19,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557592740] [2022-01-31 16:19:19,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557592740] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:19,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:19,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:19,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093888008] [2022-01-31 16:19:19,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:19,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:19,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:19,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:19,696 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:21,716 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 [] [2022-01-31 16:19:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:21,973 INFO L93 Difference]: Finished difference Result 222 states and 326 transitions. [2022-01-31 16:19:21,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-01-31 16:19:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:21,975 INFO L225 Difference]: With dead ends: 222 [2022-01-31 16:19:21,975 INFO L226 Difference]: Without dead ends: 222 [2022-01-31 16:19:21,975 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 [2022-01-31 16:19:21,976 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:21,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 319 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:21,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-01-31 16:19:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-01-31 16:19:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 217 states have (on average 1.4838709677419355) internal successors, (322), 217 states have internal predecessors, (322), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 326 transitions. [2022-01-31 16:19:21,993 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 326 transitions. Word has length 44 [2022-01-31 16:19:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:21,994 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 326 transitions. [2022-01-31 16:19:21,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 326 transitions. [2022-01-31 16:19:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-31 16:19:21,995 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:21,995 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] [2022-01-31 16:19:21,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:19:21,996 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:21,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:21,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1951828473, now seen corresponding path program 1 times [2022-01-31 16:19:21,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:21,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188209668] [2022-01-31 16:19:21,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:21,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:22,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:22,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188209668] [2022-01-31 16:19:22,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188209668] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:22,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:22,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:22,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062399901] [2022-01-31 16:19:22,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:22,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:22,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:22,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:22,227 INFO L87 Difference]: Start difference. First operand 222 states and 326 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:24,236 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 [] [2022-01-31 16:19:24,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:24,626 INFO L93 Difference]: Finished difference Result 405 states and 600 transitions. [2022-01-31 16:19:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:24,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-01-31 16:19:24,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:24,628 INFO L225 Difference]: With dead ends: 405 [2022-01-31 16:19:24,628 INFO L226 Difference]: Without dead ends: 405 [2022-01-31 16:19:24,629 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 [2022-01-31 16:19:24,629 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:24,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 279 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:24,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-01-31 16:19:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 270. [2022-01-31 16:19:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.5320754716981133) internal successors, (406), 265 states have internal predecessors, (406), 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) [2022-01-31 16:19:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 410 transitions. [2022-01-31 16:19:24,640 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 410 transitions. Word has length 59 [2022-01-31 16:19:24,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:24,641 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 410 transitions. [2022-01-31 16:19:24,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 410 transitions. [2022-01-31 16:19:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-31 16:19:24,642 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:24,643 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] [2022-01-31 16:19:24,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 16:19:24,643 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:24,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:24,643 INFO L85 PathProgramCache]: Analyzing trace with hash 378089628, now seen corresponding path program 1 times [2022-01-31 16:19:24,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:24,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802668130] [2022-01-31 16:19:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:24,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:24,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:24,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802668130] [2022-01-31 16:19:24,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802668130] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:24,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:24,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:24,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898437276] [2022-01-31 16:19:24,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:24,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:24,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:24,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:24,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:24,821 INFO L87 Difference]: Start difference. First operand 270 states and 410 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) [2022-01-31 16:19:26,830 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 [] [2022-01-31 16:19:27,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:27,159 INFO L93 Difference]: Finished difference Result 305 states and 462 transitions. [2022-01-31 16:19:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:27,167 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 [2022-01-31 16:19:27,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:27,169 INFO L225 Difference]: With dead ends: 305 [2022-01-31 16:19:27,169 INFO L226 Difference]: Without dead ends: 305 [2022-01-31 16:19:27,169 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 [2022-01-31 16:19:27,170 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 31 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:27,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 484 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:27,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-01-31 16:19:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 288. [2022-01-31 16:19:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.540636042402827) internal successors, (436), 283 states have internal predecessors, (436), 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) [2022-01-31 16:19:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 440 transitions. [2022-01-31 16:19:27,180 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 440 transitions. Word has length 60 [2022-01-31 16:19:27,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:27,181 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 440 transitions. [2022-01-31 16:19:27,181 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) [2022-01-31 16:19:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 440 transitions. [2022-01-31 16:19:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-01-31 16:19:27,182 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:27,183 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:27,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 16:19:27,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:27,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:27,183 INFO L85 PathProgramCache]: Analyzing trace with hash -475702339, now seen corresponding path program 2 times [2022-01-31 16:19:27,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:27,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677318343] [2022-01-31 16:19:27,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:27,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:27,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:27,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677318343] [2022-01-31 16:19:27,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677318343] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:27,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:27,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:27,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465545591] [2022-01-31 16:19:27,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:27,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:27,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:27,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:27,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:27,357 INFO L87 Difference]: Start difference. First operand 288 states and 440 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:29,365 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 [] [2022-01-31 16:19:29,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:29,735 INFO L93 Difference]: Finished difference Result 469 states and 709 transitions. [2022-01-31 16:19:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:29,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-01-31 16:19:29,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:29,737 INFO L225 Difference]: With dead ends: 469 [2022-01-31 16:19:29,737 INFO L226 Difference]: Without dead ends: 469 [2022-01-31 16:19:29,738 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 [2022-01-31 16:19:29,738 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 112 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:29,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 296 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:29,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-01-31 16:19:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 310. [2022-01-31 16:19:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.5245901639344261) internal successors, (465), 305 states have internal predecessors, (465), 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) [2022-01-31 16:19:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 469 transitions. [2022-01-31 16:19:29,745 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 469 transitions. Word has length 74 [2022-01-31 16:19:29,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:29,745 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 469 transitions. [2022-01-31 16:19:29,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 469 transitions. [2022-01-31 16:19:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-01-31 16:19:29,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:29,747 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:29,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 16:19:29,747 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:29,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2135006243, now seen corresponding path program 1 times [2022-01-31 16:19:29,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:29,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219300609] [2022-01-31 16:19:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:29,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:29,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:29,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219300609] [2022-01-31 16:19:29,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219300609] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:29,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:29,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:29,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326070918] [2022-01-31 16:19:29,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:29,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:29,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:29,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:29,926 INFO L87 Difference]: Start difference. First operand 310 states and 469 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:31,934 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 [] [2022-01-31 16:19:32,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:32,261 INFO L93 Difference]: Finished difference Result 326 states and 489 transitions. [2022-01-31 16:19:32,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:32,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-01-31 16:19:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:32,262 INFO L225 Difference]: With dead ends: 326 [2022-01-31 16:19:32,263 INFO L226 Difference]: Without dead ends: 326 [2022-01-31 16:19:32,263 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 [2022-01-31 16:19:32,263 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 35 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:32,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 482 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-01-31 16:19:32,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 310. [2022-01-31 16:19:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.521311475409836) internal successors, (464), 305 states have internal predecessors, (464), 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) [2022-01-31 16:19:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 468 transitions. [2022-01-31 16:19:32,269 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 468 transitions. Word has length 74 [2022-01-31 16:19:32,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:32,269 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 468 transitions. [2022-01-31 16:19:32,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 468 transitions. [2022-01-31 16:19:32,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-31 16:19:32,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:32,270 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:32,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 16:19:32,270 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:32,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2108087074, now seen corresponding path program 1 times [2022-01-31 16:19:32,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:32,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114361832] [2022-01-31 16:19:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:32,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:32,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:32,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114361832] [2022-01-31 16:19:32,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114361832] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:32,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:32,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:32,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903560413] [2022-01-31 16:19:32,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:32,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:32,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:32,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:32,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:32,441 INFO L87 Difference]: Start difference. First operand 310 states and 468 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:34,459 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 [] [2022-01-31 16:19:34,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:34,768 INFO L93 Difference]: Finished difference Result 326 states and 488 transitions. [2022-01-31 16:19:34,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:34,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-01-31 16:19:34,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:34,770 INFO L225 Difference]: With dead ends: 326 [2022-01-31 16:19:34,770 INFO L226 Difference]: Without dead ends: 326 [2022-01-31 16:19:34,770 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 [2022-01-31 16:19:34,771 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 33 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:34,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 480 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:34,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-01-31 16:19:34,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 310. [2022-01-31 16:19:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.518032786885246) internal successors, (463), 305 states have internal predecessors, (463), 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) [2022-01-31 16:19:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 467 transitions. [2022-01-31 16:19:34,778 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 467 transitions. Word has length 75 [2022-01-31 16:19:34,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:34,779 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 467 transitions. [2022-01-31 16:19:34,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 467 transitions. [2022-01-31 16:19:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-31 16:19:34,780 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:34,780 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:34,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 16:19:34,780 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 129606913, now seen corresponding path program 1 times [2022-01-31 16:19:34,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:34,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093595891] [2022-01-31 16:19:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:34,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:34,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:34,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093595891] [2022-01-31 16:19:34,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093595891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:34,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:34,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:34,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564980312] [2022-01-31 16:19:34,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:34,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:34,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:34,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:34,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:34,939 INFO L87 Difference]: Start difference. First operand 310 states and 467 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) [2022-01-31 16:19:36,947 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 [] [2022-01-31 16:19:37,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:37,294 INFO L93 Difference]: Finished difference Result 470 states and 703 transitions. [2022-01-31 16:19:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:37,295 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 [2022-01-31 16:19:37,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:37,297 INFO L225 Difference]: With dead ends: 470 [2022-01-31 16:19:37,297 INFO L226 Difference]: Without dead ends: 470 [2022-01-31 16:19:37,297 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 [2022-01-31 16:19:37,297 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 117 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:37,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:37,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-01-31 16:19:37,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 316. [2022-01-31 16:19:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5112540192926045) internal successors, (470), 311 states have internal predecessors, (470), 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) [2022-01-31 16:19:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 474 transitions. [2022-01-31 16:19:37,303 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 474 transitions. Word has length 76 [2022-01-31 16:19:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:37,303 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 474 transitions. [2022-01-31 16:19:37,303 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) [2022-01-31 16:19:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 474 transitions. [2022-01-31 16:19:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-31 16:19:37,304 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:37,304 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:37,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 16:19:37,304 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1831043585, now seen corresponding path program 1 times [2022-01-31 16:19:37,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:37,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145086839] [2022-01-31 16:19:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:37,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:37,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:37,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145086839] [2022-01-31 16:19:37,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145086839] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:37,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:37,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:37,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539976725] [2022-01-31 16:19:37,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:37,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:37,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:37,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:37,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:37,443 INFO L87 Difference]: Start difference. First operand 316 states and 474 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) [2022-01-31 16:19:39,452 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 [] [2022-01-31 16:19:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:39,823 INFO L93 Difference]: Finished difference Result 470 states and 698 transitions. [2022-01-31 16:19:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:39,823 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 [2022-01-31 16:19:39,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:39,825 INFO L225 Difference]: With dead ends: 470 [2022-01-31 16:19:39,825 INFO L226 Difference]: Without dead ends: 470 [2022-01-31 16:19:39,825 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 [2022-01-31 16:19:39,825 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:39,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-01-31 16:19:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 318. [2022-01-31 16:19:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 313 states have (on average 1.4984025559105432) internal successors, (469), 313 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) [2022-01-31 16:19:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 473 transitions. [2022-01-31 16:19:39,831 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 473 transitions. Word has length 77 [2022-01-31 16:19:39,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:39,832 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 473 transitions. [2022-01-31 16:19:39,832 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) [2022-01-31 16:19:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 473 transitions. [2022-01-31 16:19:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-31 16:19:39,832 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:39,833 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] [2022-01-31 16:19:39,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 16:19:39,833 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:39,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:39,833 INFO L85 PathProgramCache]: Analyzing trace with hash 804661293, now seen corresponding path program 1 times [2022-01-31 16:19:39,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:39,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961964332] [2022-01-31 16:19:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:39,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-31 16:19:39,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:39,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961964332] [2022-01-31 16:19:39,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961964332] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:39,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:39,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:39,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721469509] [2022-01-31 16:19:39,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:39,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:39,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:39,996 INFO L87 Difference]: Start difference. First operand 318 states and 473 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:42,011 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 [] [2022-01-31 16:19:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:42,427 INFO L93 Difference]: Finished difference Result 476 states and 708 transitions. [2022-01-31 16:19:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:42,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-01-31 16:19:42,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:42,430 INFO L225 Difference]: With dead ends: 476 [2022-01-31 16:19:42,430 INFO L226 Difference]: Without dead ends: 476 [2022-01-31 16:19:42,430 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 [2022-01-31 16:19:42,430 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 124 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:42,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 477 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 337 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:42,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-01-31 16:19:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2022-01-31 16:19:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 471 states have (on average 1.494692144373673) internal successors, (704), 471 states have internal predecessors, (704), 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) [2022-01-31 16:19:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 708 transitions. [2022-01-31 16:19:42,438 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 708 transitions. Word has length 78 [2022-01-31 16:19:42,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:42,438 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 708 transitions. [2022-01-31 16:19:42,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 708 transitions. [2022-01-31 16:19:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-31 16:19:42,439 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:42,440 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] [2022-01-31 16:19:42,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-31 16:19:42,440 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1766275310, now seen corresponding path program 1 times [2022-01-31 16:19:42,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:42,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509955782] [2022-01-31 16:19:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:42,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:42,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:42,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509955782] [2022-01-31 16:19:42,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509955782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:42,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:42,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:42,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862403680] [2022-01-31 16:19:42,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:42,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:42,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:42,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:42,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:42,588 INFO L87 Difference]: Start difference. First operand 476 states and 708 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:44,595 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 [] [2022-01-31 16:19:44,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:44,814 INFO L93 Difference]: Finished difference Result 500 states and 740 transitions. [2022-01-31 16:19:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:44,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-01-31 16:19:44,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:44,816 INFO L225 Difference]: With dead ends: 500 [2022-01-31 16:19:44,816 INFO L226 Difference]: Without dead ends: 500 [2022-01-31 16:19:44,816 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 [2022-01-31 16:19:44,817 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 15 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:44,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 359 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 16:19:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-01-31 16:19:44,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2022-01-31 16:19:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 495 states have (on average 1.486868686868687) internal successors, (736), 495 states have internal predecessors, (736), 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) [2022-01-31 16:19:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 740 transitions. [2022-01-31 16:19:44,824 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 740 transitions. Word has length 78 [2022-01-31 16:19:44,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:44,825 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 740 transitions. [2022-01-31 16:19:44,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 740 transitions. [2022-01-31 16:19:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-31 16:19:44,826 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:44,826 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] [2022-01-31 16:19:44,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-31 16:19:44,826 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:44,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash 974647562, now seen corresponding path program 1 times [2022-01-31 16:19:44,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:44,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367953952] [2022-01-31 16:19:44,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:44,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-01-31 16:19:44,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:44,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367953952] [2022-01-31 16:19:44,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367953952] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:44,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:44,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:44,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543932911] [2022-01-31 16:19:44,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:44,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:44,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:44,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:44,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:44,992 INFO L87 Difference]: Start difference. First operand 500 states and 740 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 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) [2022-01-31 16:19:47,004 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 [] [2022-01-31 16:19:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:47,368 INFO L93 Difference]: Finished difference Result 643 states and 953 transitions. [2022-01-31 16:19:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:47,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 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 98 [2022-01-31 16:19:47,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:47,370 INFO L225 Difference]: With dead ends: 643 [2022-01-31 16:19:47,370 INFO L226 Difference]: Without dead ends: 643 [2022-01-31 16:19:47,371 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 [2022-01-31 16:19:47,371 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:47,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:47,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-01-31 16:19:47,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2022-01-31 16:19:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 638 states have (on average 1.4874608150470219) internal successors, (949), 638 states have internal predecessors, (949), 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) [2022-01-31 16:19:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 953 transitions. [2022-01-31 16:19:47,380 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 953 transitions. Word has length 98 [2022-01-31 16:19:47,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:47,381 INFO L470 AbstractCegarLoop]: Abstraction has 643 states and 953 transitions. [2022-01-31 16:19:47,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 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) [2022-01-31 16:19:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 953 transitions. [2022-01-31 16:19:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-01-31 16:19:47,382 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:47,382 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] [2022-01-31 16:19:47,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-31 16:19:47,382 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:47,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1194080795, now seen corresponding path program 1 times [2022-01-31 16:19:47,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:47,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759535137] [2022-01-31 16:19:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:47,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-01-31 16:19:47,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:47,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759535137] [2022-01-31 16:19:47,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759535137] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:47,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:47,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:47,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854817731] [2022-01-31 16:19:47,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:47,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:47,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:47,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:47,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:47,522 INFO L87 Difference]: Start difference. First operand 643 states and 953 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:49,531 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 [] [2022-01-31 16:19:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:49,880 INFO L93 Difference]: Finished difference Result 802 states and 1189 transitions. [2022-01-31 16:19:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:49,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-01-31 16:19:49,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:49,882 INFO L225 Difference]: With dead ends: 802 [2022-01-31 16:19:49,883 INFO L226 Difference]: Without dead ends: 802 [2022-01-31 16:19:49,883 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 [2022-01-31 16:19:49,883 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 127 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:49,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:49,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-01-31 16:19:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2022-01-31 16:19:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 797 states have (on average 1.4868255959849435) internal successors, (1185), 797 states have internal predecessors, (1185), 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) [2022-01-31 16:19:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1189 transitions. [2022-01-31 16:19:49,894 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1189 transitions. Word has length 118 [2022-01-31 16:19:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:49,894 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 1189 transitions. [2022-01-31 16:19:49,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1189 transitions. [2022-01-31 16:19:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-31 16:19:49,896 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:49,896 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:49,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-31 16:19:49,896 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:49,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:49,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1330672357, now seen corresponding path program 1 times [2022-01-31 16:19:49,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:49,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128764071] [2022-01-31 16:19:49,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:49,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-01-31 16:19:50,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:50,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128764071] [2022-01-31 16:19:50,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128764071] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:50,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:50,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:50,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100176011] [2022-01-31 16:19:50,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:50,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:50,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:50,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:50,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:50,098 INFO L87 Difference]: Start difference. First operand 802 states and 1189 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:52,115 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 [] [2022-01-31 16:19:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:52,459 INFO L93 Difference]: Finished difference Result 1292 states and 1911 transitions. [2022-01-31 16:19:52,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:52,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 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 140 [2022-01-31 16:19:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:52,463 INFO L225 Difference]: With dead ends: 1292 [2022-01-31 16:19:52,463 INFO L226 Difference]: Without dead ends: 1292 [2022-01-31 16:19:52,463 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 [2022-01-31 16:19:52,464 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 110 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:52,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 280 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:52,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-01-31 16:19:52,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 927. [2022-01-31 16:19:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 922 states have (on average 1.497830802603037) internal successors, (1381), 922 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) [2022-01-31 16:19:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1385 transitions. [2022-01-31 16:19:52,478 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1385 transitions. Word has length 140 [2022-01-31 16:19:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:52,479 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1385 transitions. [2022-01-31 16:19:52,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1385 transitions. [2022-01-31 16:19:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-01-31 16:19:52,480 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:52,480 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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] [2022-01-31 16:19:52,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-31 16:19:52,481 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:52,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:52,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1572676544, now seen corresponding path program 1 times [2022-01-31 16:19:52,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:52,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574097796] [2022-01-31 16:19:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:52,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-01-31 16:19:52,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:52,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574097796] [2022-01-31 16:19:52,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574097796] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:52,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:52,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:52,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158407914] [2022-01-31 16:19:52,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:52,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:52,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:52,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:52,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:52,643 INFO L87 Difference]: Start difference. First operand 927 states and 1385 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:54,652 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 [] [2022-01-31 16:19:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:55,026 INFO L93 Difference]: Finished difference Result 1272 states and 1867 transitions. [2022-01-31 16:19:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:55,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 141 [2022-01-31 16:19:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:55,030 INFO L225 Difference]: With dead ends: 1272 [2022-01-31 16:19:55,030 INFO L226 Difference]: Without dead ends: 1272 [2022-01-31 16:19:55,031 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 [2022-01-31 16:19:55,031 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 108 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:55,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-01-31 16:19:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 931. [2022-01-31 16:19:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 926 states have (on average 1.490280777537797) internal successors, (1380), 926 states have internal predecessors, (1380), 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) [2022-01-31 16:19:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1384 transitions. [2022-01-31 16:19:55,047 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1384 transitions. Word has length 141 [2022-01-31 16:19:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:55,047 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1384 transitions. [2022-01-31 16:19:55,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1384 transitions. [2022-01-31 16:19:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-01-31 16:19:55,049 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:55,049 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:55,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-31 16:19:55,050 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:55,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:55,050 INFO L85 PathProgramCache]: Analyzing trace with hash 111221161, now seen corresponding path program 1 times [2022-01-31 16:19:55,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:55,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564905308] [2022-01-31 16:19:55,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:55,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-01-31 16:19:55,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:55,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564905308] [2022-01-31 16:19:55,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564905308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:55,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:55,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:55,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987434220] [2022-01-31 16:19:55,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:55,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:55,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:55,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:55,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:55,225 INFO L87 Difference]: Start difference. First operand 931 states and 1384 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:57,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:19:57,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:57,585 INFO L93 Difference]: Finished difference Result 1272 states and 1853 transitions. [2022-01-31 16:19:57,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:57,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-01-31 16:19:57,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:57,589 INFO L225 Difference]: With dead ends: 1272 [2022-01-31 16:19:57,589 INFO L226 Difference]: Without dead ends: 1272 [2022-01-31 16:19:57,589 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 [2022-01-31 16:19:57,590 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 108 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:57,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 284 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:57,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-01-31 16:19:57,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 931. [2022-01-31 16:19:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 926 states have (on average 1.4751619870410366) internal successors, (1366), 926 states have internal predecessors, (1366), 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) [2022-01-31 16:19:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1370 transitions. [2022-01-31 16:19:57,607 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1370 transitions. Word has length 158 [2022-01-31 16:19:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:57,607 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1370 transitions. [2022-01-31 16:19:57,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1370 transitions. [2022-01-31 16:19:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-31 16:19:57,609 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:57,609 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:57,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-31 16:19:57,609 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:57,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1838578835, now seen corresponding path program 1 times [2022-01-31 16:19:57,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:57,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235274667] [2022-01-31 16:19:57,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:57,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-01-31 16:19:57,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:57,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235274667] [2022-01-31 16:19:57,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235274667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:57,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:57,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:57,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945850706] [2022-01-31 16:19:57,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:57,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:57,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:57,808 INFO L87 Difference]: Start difference. First operand 931 states and 1370 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) [2022-01-31 16:19:59,827 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 [] [2022-01-31 16:20:00,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:00,178 INFO L93 Difference]: Finished difference Result 1268 states and 1834 transitions. [2022-01-31 16:20:00,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:00,179 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 159 [2022-01-31 16:20:00,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:00,182 INFO L225 Difference]: With dead ends: 1268 [2022-01-31 16:20:00,182 INFO L226 Difference]: Without dead ends: 1268 [2022-01-31 16:20:00,182 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 [2022-01-31 16:20:00,182 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 109 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:00,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 284 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:20:00,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-01-31 16:20:00,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 931. [2022-01-31 16:20:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 926 states have (on average 1.4600431965442764) internal successors, (1352), 926 states have internal predecessors, (1352), 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) [2022-01-31 16:20:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1356 transitions. [2022-01-31 16:20:00,195 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1356 transitions. Word has length 159 [2022-01-31 16:20:00,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:00,196 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1356 transitions. [2022-01-31 16:20:00,196 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) [2022-01-31 16:20:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1356 transitions. [2022-01-31 16:20:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-01-31 16:20:00,198 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:00,198 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:00,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-31 16:20:00,198 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash 497981810, now seen corresponding path program 1 times [2022-01-31 16:20:00,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:00,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884998849] [2022-01-31 16:20:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:00,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-01-31 16:20:00,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:00,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884998849] [2022-01-31 16:20:00,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884998849] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:00,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:00,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:00,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260853215] [2022-01-31 16:20:00,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:00,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:00,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:00,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:00,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:00,356 INFO L87 Difference]: Start difference. First operand 931 states and 1356 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:02,367 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 [] [2022-01-31 16:20:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:02,882 INFO L93 Difference]: Finished difference Result 1169 states and 1696 transitions. [2022-01-31 16:20:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 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 173 [2022-01-31 16:20:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:02,885 INFO L225 Difference]: With dead ends: 1169 [2022-01-31 16:20:02,886 INFO L226 Difference]: Without dead ends: 1169 [2022-01-31 16:20:02,886 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 [2022-01-31 16:20:02,886 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 86 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:02,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 545 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 510 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-01-31 16:20:02,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-01-31 16:20:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 931. [2022-01-31 16:20:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 926 states have (on average 1.4557235421166306) internal successors, (1348), 926 states have internal predecessors, (1348), 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) [2022-01-31 16:20:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1352 transitions. [2022-01-31 16:20:02,898 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1352 transitions. Word has length 173 [2022-01-31 16:20:02,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:02,898 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1352 transitions. [2022-01-31 16:20:02,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1352 transitions. [2022-01-31 16:20:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-01-31 16:20:02,900 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:02,900 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:02,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-31 16:20:02,900 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:02,901 INFO L85 PathProgramCache]: Analyzing trace with hash 56456749, now seen corresponding path program 1 times [2022-01-31 16:20:02,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:02,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378900737] [2022-01-31 16:20:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:02,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-01-31 16:20:03,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:03,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378900737] [2022-01-31 16:20:03,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378900737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:03,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:03,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:03,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950920722] [2022-01-31 16:20:03,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:03,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:03,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:03,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:03,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:03,054 INFO L87 Difference]: Start difference. First operand 931 states and 1352 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:05,067 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 [] [2022-01-31 16:20:05,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:05,477 INFO L93 Difference]: Finished difference Result 1388 states and 1986 transitions. [2022-01-31 16:20:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:05,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 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 174 [2022-01-31 16:20:05,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:05,481 INFO L225 Difference]: With dead ends: 1388 [2022-01-31 16:20:05,481 INFO L226 Difference]: Without dead ends: 1388 [2022-01-31 16:20:05,481 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 [2022-01-31 16:20:05,482 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 110 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:05,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 484 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 491 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:20:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2022-01-31 16:20:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1016. [2022-01-31 16:20:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1011 states have (on average 1.4431256181998022) internal successors, (1459), 1011 states have internal predecessors, (1459), 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) [2022-01-31 16:20:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1463 transitions. [2022-01-31 16:20:05,493 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1463 transitions. Word has length 174 [2022-01-31 16:20:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:05,493 INFO L470 AbstractCegarLoop]: Abstraction has 1016 states and 1463 transitions. [2022-01-31 16:20:05,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1463 transitions. [2022-01-31 16:20:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-31 16:20:05,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:05,495 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-01-31 16:20:05,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-31 16:20:05,495 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:05,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1290582187, now seen corresponding path program 1 times [2022-01-31 16:20:05,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:05,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202567797] [2022-01-31 16:20:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:05,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-01-31 16:20:05,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:05,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202567797] [2022-01-31 16:20:05,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202567797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:05,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:05,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:05,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408624788] [2022-01-31 16:20:05,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:05,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:05,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:05,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:05,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:05,675 INFO L87 Difference]: Start difference. First operand 1016 states and 1463 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:07,683 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 [] [2022-01-31 16:20:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:08,022 INFO L93 Difference]: Finished difference Result 1483 states and 2116 transitions. [2022-01-31 16:20:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:08,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 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 176 [2022-01-31 16:20:08,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:08,026 INFO L225 Difference]: With dead ends: 1483 [2022-01-31 16:20:08,026 INFO L226 Difference]: Without dead ends: 1483 [2022-01-31 16:20:08,027 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 [2022-01-31 16:20:08,028 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 91 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:08,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 392 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:08,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-01-31 16:20:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1218. [2022-01-31 16:20:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1213 states have (on average 1.4657873042044518) internal successors, (1778), 1213 states have internal predecessors, (1778), 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) [2022-01-31 16:20:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1782 transitions. [2022-01-31 16:20:08,044 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1782 transitions. Word has length 176 [2022-01-31 16:20:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:08,044 INFO L470 AbstractCegarLoop]: Abstraction has 1218 states and 1782 transitions. [2022-01-31 16:20:08,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1782 transitions. [2022-01-31 16:20:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-01-31 16:20:08,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:08,046 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-01-31 16:20:08,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-31 16:20:08,047 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:08,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:08,047 INFO L85 PathProgramCache]: Analyzing trace with hash -250854945, now seen corresponding path program 1 times [2022-01-31 16:20:08,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:08,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817850627] [2022-01-31 16:20:08,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:08,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-01-31 16:20:08,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:08,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817850627] [2022-01-31 16:20:08,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817850627] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:08,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:08,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:08,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513315854] [2022-01-31 16:20:08,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:08,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:08,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:08,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:08,181 INFO L87 Difference]: Start difference. First operand 1218 states and 1782 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:10,201 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 [] [2022-01-31 16:20:10,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:10,504 INFO L93 Difference]: Finished difference Result 1280 states and 1849 transitions. [2022-01-31 16:20:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:10,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 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 177 [2022-01-31 16:20:10,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:10,507 INFO L225 Difference]: With dead ends: 1280 [2022-01-31 16:20:10,507 INFO L226 Difference]: Without dead ends: 1280 [2022-01-31 16:20:10,508 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 [2022-01-31 16:20:10,508 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 28 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:10,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 486 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 362 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2022-01-31 16:20:10,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1218. [2022-01-31 16:20:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1213 states have (on average 1.462489694971146) internal successors, (1774), 1213 states have internal predecessors, (1774), 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) [2022-01-31 16:20:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1778 transitions. [2022-01-31 16:20:10,519 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1778 transitions. Word has length 177 [2022-01-31 16:20:10,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:10,519 INFO L470 AbstractCegarLoop]: Abstraction has 1218 states and 1778 transitions. [2022-01-31 16:20:10,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1778 transitions. [2022-01-31 16:20:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-01-31 16:20:10,521 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:10,522 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:10,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-31 16:20:10,522 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:10,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:10,522 INFO L85 PathProgramCache]: Analyzing trace with hash 580201651, now seen corresponding path program 1 times [2022-01-31 16:20:10,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:10,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514800757] [2022-01-31 16:20:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:10,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-01-31 16:20:10,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:10,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514800757] [2022-01-31 16:20:10,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514800757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:10,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:10,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:10,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451053008] [2022-01-31 16:20:10,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:10,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:10,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:10,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:10,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:10,667 INFO L87 Difference]: Start difference. First operand 1218 states and 1778 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:12,680 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 [] [2022-01-31 16:20:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:13,000 INFO L93 Difference]: Finished difference Result 1543 states and 2208 transitions. [2022-01-31 16:20:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:13,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 187 [2022-01-31 16:20:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:13,004 INFO L225 Difference]: With dead ends: 1543 [2022-01-31 16:20:13,004 INFO L226 Difference]: Without dead ends: 1543 [2022-01-31 16:20:13,004 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 [2022-01-31 16:20:13,005 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 115 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:13,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 284 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:13,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-01-31 16:20:13,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1218. [2022-01-31 16:20:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1213 states have (on average 1.4427040395713109) internal successors, (1750), 1213 states have internal predecessors, (1750), 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) [2022-01-31 16:20:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1754 transitions. [2022-01-31 16:20:13,023 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1754 transitions. Word has length 187 [2022-01-31 16:20:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:13,023 INFO L470 AbstractCegarLoop]: Abstraction has 1218 states and 1754 transitions. [2022-01-31 16:20:13,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1754 transitions. [2022-01-31 16:20:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-01-31 16:20:13,027 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:13,027 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:13,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-31 16:20:13,027 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:13,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:13,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2126792942, now seen corresponding path program 1 times [2022-01-31 16:20:13,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:13,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137316446] [2022-01-31 16:20:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-01-31 16:20:13,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:13,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137316446] [2022-01-31 16:20:13,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137316446] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:13,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:13,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:13,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769144707] [2022-01-31 16:20:13,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:13,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:13,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:13,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:13,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:13,209 INFO L87 Difference]: Start difference. First operand 1218 states and 1754 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:15,216 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 [] [2022-01-31 16:20:15,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:15,520 INFO L93 Difference]: Finished difference Result 1498 states and 2129 transitions. [2022-01-31 16:20:15,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:15,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 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 [2022-01-31 16:20:15,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:15,524 INFO L225 Difference]: With dead ends: 1498 [2022-01-31 16:20:15,524 INFO L226 Difference]: Without dead ends: 1498 [2022-01-31 16:20:15,524 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 [2022-01-31 16:20:15,524 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 106 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:15,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 294 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 376 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-01-31 16:20:15,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1218. [2022-01-31 16:20:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1213 states have (on average 1.4229183841714756) internal successors, (1726), 1213 states have internal predecessors, (1726), 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) [2022-01-31 16:20:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1730 transitions. [2022-01-31 16:20:15,536 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1730 transitions. Word has length 188 [2022-01-31 16:20:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:15,537 INFO L470 AbstractCegarLoop]: Abstraction has 1218 states and 1730 transitions. [2022-01-31 16:20:15,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1730 transitions. [2022-01-31 16:20:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-31 16:20:15,539 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:15,539 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:15,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-31 16:20:15,539 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:15,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1478087125, now seen corresponding path program 1 times [2022-01-31 16:20:15,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:15,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125529018] [2022-01-31 16:20:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:15,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-01-31 16:20:15,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:15,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125529018] [2022-01-31 16:20:15,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125529018] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:15,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:15,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:15,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088193743] [2022-01-31 16:20:15,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:15,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:15,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:15,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:15,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:15,758 INFO L87 Difference]: Start difference. First operand 1218 states and 1730 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:17,765 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 [] [2022-01-31 16:20:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:18,037 INFO L93 Difference]: Finished difference Result 1357 states and 1901 transitions. [2022-01-31 16:20:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:18,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 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 195 [2022-01-31 16:20:18,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:18,040 INFO L225 Difference]: With dead ends: 1357 [2022-01-31 16:20:18,040 INFO L226 Difference]: Without dead ends: 1357 [2022-01-31 16:20:18,041 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 [2022-01-31 16:20:18,041 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 16 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:18,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 464 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 334 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:18,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2022-01-31 16:20:18,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1328. [2022-01-31 16:20:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1323 states have (on average 1.4104308390022675) internal successors, (1866), 1323 states have internal predecessors, (1866), 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) [2022-01-31 16:20:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1870 transitions. [2022-01-31 16:20:18,053 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1870 transitions. Word has length 195 [2022-01-31 16:20:18,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:18,053 INFO L470 AbstractCegarLoop]: Abstraction has 1328 states and 1870 transitions. [2022-01-31 16:20:18,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:18,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1870 transitions. [2022-01-31 16:20:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-01-31 16:20:18,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:18,055 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:18,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-31 16:20:18,055 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:18,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash 614506545, now seen corresponding path program 1 times [2022-01-31 16:20:18,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:18,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127469418] [2022-01-31 16:20:18,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:18,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-01-31 16:20:18,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:18,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127469418] [2022-01-31 16:20:18,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127469418] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:18,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:18,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:18,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15234224] [2022-01-31 16:20:18,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:18,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:18,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:18,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:18,221 INFO L87 Difference]: Start difference. First operand 1328 states and 1870 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) [2022-01-31 16:20:20,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:20:20,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:20,723 INFO L93 Difference]: Finished difference Result 1437 states and 2018 transitions. [2022-01-31 16:20:20,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:20,723 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 215 [2022-01-31 16:20:20,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:20,726 INFO L225 Difference]: With dead ends: 1437 [2022-01-31 16:20:20,727 INFO L226 Difference]: Without dead ends: 1437 [2022-01-31 16:20:20,727 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 [2022-01-31 16:20:20,727 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 107 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:20,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 474 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-01-31 16:20:20,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2022-01-31 16:20:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1111. [2022-01-31 16:20:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1106 states have (on average 1.3860759493670887) internal successors, (1533), 1106 states have internal predecessors, (1533), 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) [2022-01-31 16:20:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1537 transitions. [2022-01-31 16:20:20,738 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1537 transitions. Word has length 215 [2022-01-31 16:20:20,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:20,738 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 1537 transitions. [2022-01-31 16:20:20,738 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) [2022-01-31 16:20:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1537 transitions. [2022-01-31 16:20:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-31 16:20:20,740 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:20,740 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:20,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-31 16:20:20,740 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:20,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:20,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1390782110, now seen corresponding path program 1 times [2022-01-31 16:20:20,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:20,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828462819] [2022-01-31 16:20:20,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:20,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-01-31 16:20:20,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:20,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828462819] [2022-01-31 16:20:20,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828462819] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:20,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:20,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:20,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175119336] [2022-01-31 16:20:20,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:20,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:20,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:20,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:20,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:20,919 INFO L87 Difference]: Start difference. First operand 1111 states and 1537 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) [2022-01-31 16:20:22,937 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 [] [2022-01-31 16:20:23,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:23,195 INFO L93 Difference]: Finished difference Result 1253 states and 1716 transitions. [2022-01-31 16:20:23,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:23,196 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 219 [2022-01-31 16:20:23,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:23,198 INFO L225 Difference]: With dead ends: 1253 [2022-01-31 16:20:23,198 INFO L226 Difference]: Without dead ends: 1253 [2022-01-31 16:20:23,198 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 [2022-01-31 16:20:23,199 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 22 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:23,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 476 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:23,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-01-31 16:20:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1215. [2022-01-31 16:20:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1210 states have (on average 1.3793388429752067) internal successors, (1669), 1210 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) [2022-01-31 16:20:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1673 transitions. [2022-01-31 16:20:23,211 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1673 transitions. Word has length 219 [2022-01-31 16:20:23,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:23,211 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 1673 transitions. [2022-01-31 16:20:23,212 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) [2022-01-31 16:20:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1673 transitions. [2022-01-31 16:20:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-01-31 16:20:23,213 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:23,213 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:23,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-31 16:20:23,214 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:23,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:23,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1424455945, now seen corresponding path program 1 times [2022-01-31 16:20:23,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:23,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996055344] [2022-01-31 16:20:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:23,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-01-31 16:20:23,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:23,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996055344] [2022-01-31 16:20:23,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996055344] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:23,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:23,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:23,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286390755] [2022-01-31 16:20:23,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:23,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:23,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:23,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:23,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:23,438 INFO L87 Difference]: Start difference. First operand 1215 states and 1673 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:25,446 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 [] [2022-01-31 16:20:25,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:25,755 INFO L93 Difference]: Finished difference Result 1477 states and 2035 transitions. [2022-01-31 16:20:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:25,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 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 244 [2022-01-31 16:20:25,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:25,759 INFO L225 Difference]: With dead ends: 1477 [2022-01-31 16:20:25,759 INFO L226 Difference]: Without dead ends: 1477 [2022-01-31 16:20:25,759 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 [2022-01-31 16:20:25,759 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 89 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:25,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:25,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-01-31 16:20:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1267. [2022-01-31 16:20:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1262 states have (on average 1.401743264659271) internal successors, (1769), 1262 states have internal predecessors, (1769), 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) [2022-01-31 16:20:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1773 transitions. [2022-01-31 16:20:25,771 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1773 transitions. Word has length 244 [2022-01-31 16:20:25,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:25,771 INFO L470 AbstractCegarLoop]: Abstraction has 1267 states and 1773 transitions. [2022-01-31 16:20:25,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1773 transitions. [2022-01-31 16:20:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-01-31 16:20:25,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:25,775 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:25,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-31 16:20:25,775 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:25,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash -267815920, now seen corresponding path program 1 times [2022-01-31 16:20:25,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:25,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401109149] [2022-01-31 16:20:25,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:25,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-01-31 16:20:25,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:25,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401109149] [2022-01-31 16:20:25,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401109149] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:25,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:25,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:25,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323260077] [2022-01-31 16:20:25,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:25,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:25,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:25,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:25,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:25,982 INFO L87 Difference]: Start difference. First operand 1267 states and 1773 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:27,990 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 [] [2022-01-31 16:20:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:28,264 INFO L93 Difference]: Finished difference Result 1429 states and 1980 transitions. [2022-01-31 16:20:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:28,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 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 244 [2022-01-31 16:20:28,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:28,267 INFO L225 Difference]: With dead ends: 1429 [2022-01-31 16:20:28,267 INFO L226 Difference]: Without dead ends: 1429 [2022-01-31 16:20:28,268 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 [2022-01-31 16:20:28,268 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 25 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:28,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 480 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 374 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:28,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2022-01-31 16:20:28,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1383. [2022-01-31 16:20:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1378 states have (on average 1.3969521044992743) internal successors, (1925), 1378 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) [2022-01-31 16:20:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1929 transitions. [2022-01-31 16:20:28,278 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1929 transitions. Word has length 244 [2022-01-31 16:20:28,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:28,278 INFO L470 AbstractCegarLoop]: Abstraction has 1383 states and 1929 transitions. [2022-01-31 16:20:28,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1929 transitions. [2022-01-31 16:20:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-01-31 16:20:28,280 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:28,280 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:28,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-31 16:20:28,280 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:28,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:28,281 INFO L85 PathProgramCache]: Analyzing trace with hash 862970705, now seen corresponding path program 1 times [2022-01-31 16:20:28,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:28,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812292765] [2022-01-31 16:20:28,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:28,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-01-31 16:20:28,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:28,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812292765] [2022-01-31 16:20:28,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812292765] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:28,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:28,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:28,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210158921] [2022-01-31 16:20:28,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:28,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:28,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:28,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:28,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:28,489 INFO L87 Difference]: Start difference. First operand 1383 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:30,503 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 [] [2022-01-31 16:20:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:30,827 INFO L93 Difference]: Finished difference Result 1593 states and 2187 transitions. [2022-01-31 16:20:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:30,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 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 244 [2022-01-31 16:20:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:30,831 INFO L225 Difference]: With dead ends: 1593 [2022-01-31 16:20:30,831 INFO L226 Difference]: Without dead ends: 1593 [2022-01-31 16:20:30,831 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 [2022-01-31 16:20:30,832 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 87 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:30,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-01-31 16:20:30,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1387. [2022-01-31 16:20:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1382 states have (on average 1.3958031837916063) internal successors, (1929), 1382 states have internal predecessors, (1929), 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) [2022-01-31 16:20:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1933 transitions. [2022-01-31 16:20:30,843 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1933 transitions. Word has length 244 [2022-01-31 16:20:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:30,843 INFO L470 AbstractCegarLoop]: Abstraction has 1387 states and 1933 transitions. [2022-01-31 16:20:30,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1933 transitions. [2022-01-31 16:20:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-01-31 16:20:30,845 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:30,845 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:30,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-31 16:20:30,845 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:30,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:30,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1520651574, now seen corresponding path program 1 times [2022-01-31 16:20:30,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:30,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610087931] [2022-01-31 16:20:30,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:30,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-01-31 16:20:31,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:31,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610087931] [2022-01-31 16:20:31,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610087931] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:31,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:31,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:31,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050180296] [2022-01-31 16:20:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:31,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:31,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:31,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:31,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:31,045 INFO L87 Difference]: Start difference. First operand 1387 states and 1933 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:33,058 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 [] [2022-01-31 16:20:33,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:33,375 INFO L93 Difference]: Finished difference Result 1585 states and 2175 transitions. [2022-01-31 16:20:33,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:33,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 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 245 [2022-01-31 16:20:33,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:33,378 INFO L225 Difference]: With dead ends: 1585 [2022-01-31 16:20:33,378 INFO L226 Difference]: Without dead ends: 1585 [2022-01-31 16:20:33,378 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 [2022-01-31 16:20:33,378 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 84 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 290 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 [2022-01-31 16:20:33,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 290 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2022-01-31 16:20:33,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1391. [2022-01-31 16:20:33,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1386 states have (on average 1.3946608946608947) internal successors, (1933), 1386 states have internal predecessors, (1933), 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) [2022-01-31 16:20:33,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1937 transitions. [2022-01-31 16:20:33,389 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1937 transitions. Word has length 245 [2022-01-31 16:20:33,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:33,390 INFO L470 AbstractCegarLoop]: Abstraction has 1391 states and 1937 transitions. [2022-01-31 16:20:33,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1937 transitions. [2022-01-31 16:20:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-01-31 16:20:33,391 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:33,392 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:33,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-31 16:20:33,392 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:33,392 INFO L85 PathProgramCache]: Analyzing trace with hash 605997720, now seen corresponding path program 1 times [2022-01-31 16:20:33,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:33,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420688795] [2022-01-31 16:20:33,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:33,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:33,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-01-31 16:20:33,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:33,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420688795] [2022-01-31 16:20:33,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420688795] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:33,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:33,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:33,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181684838] [2022-01-31 16:20:33,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:33,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:33,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:33,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:33,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:33,598 INFO L87 Difference]: Start difference. First operand 1391 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:35,605 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 [] [2022-01-31 16:20:35,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:35,924 INFO L93 Difference]: Finished difference Result 1577 states and 2188 transitions. [2022-01-31 16:20:35,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:35,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (3), 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 246 [2022-01-31 16:20:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:35,927 INFO L225 Difference]: With dead ends: 1577 [2022-01-31 16:20:35,927 INFO L226 Difference]: Without dead ends: 1577 [2022-01-31 16:20:35,927 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 [2022-01-31 16:20:35,927 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 31 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:35,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 492 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 401 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:35,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2022-01-31 16:20:35,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1519. [2022-01-31 16:20:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1514 states have (on average 1.3982826948480847) internal successors, (2117), 1514 states have internal predecessors, (2117), 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) [2022-01-31 16:20:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2121 transitions. [2022-01-31 16:20:35,938 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2121 transitions. Word has length 246 [2022-01-31 16:20:35,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:35,939 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2121 transitions. [2022-01-31 16:20:35,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2121 transitions. [2022-01-31 16:20:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-01-31 16:20:35,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:35,941 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:35,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-31 16:20:35,941 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:35,941 INFO L85 PathProgramCache]: Analyzing trace with hash 556149849, now seen corresponding path program 1 times [2022-01-31 16:20:35,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521071635] [2022-01-31 16:20:35,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:35,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 303 proven. 270 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-01-31 16:20:38,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:38,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521071635] [2022-01-31 16:20:38,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521071635] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:20:38,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258419633] [2022-01-31 16:20:38,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:38,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:20:38,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:20:38,492 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) [2022-01-31 16:20:38,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-31 16:20:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:40,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 2258 conjuncts, 397 conjunts are in the unsatisfiable core [2022-01-31 16:20:40,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:20:41,164 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72457 treesize of output 69342 [2022-01-31 16:22:08,080 INFO L244 Elim1Store]: Index analysis took 3681 ms