/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:18:37,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:18:37,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:18:37,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:18:37,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:18:37,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:18:37,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:18:37,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:18:37,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:18:37,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:18:37,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:18:37,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:18:37,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:18:37,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:18:37,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:18:37,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:18:37,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:18:37,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:18:37,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:18:37,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:18:37,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:18:37,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:18:37,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:18:37,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:18:37,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:18:37,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:18:37,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:18:37,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:18:37,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:18:37,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:18:37,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:18:37,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:18:37,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:18:37,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:18:37,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:18:37,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:18:37,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:18:37,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:18:37,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:18:37,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:18:37,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:18:37,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:18:37,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:18:37,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:18:37,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:18:37,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:18:37,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:18:37,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:18:37,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:18:37,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:18:37,425 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:18:37,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:18:37,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:18:37,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:18:37,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:18:37,582 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:18:37,582 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:18:37,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-01-31 16:18:37,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3582e3e2f/493e39b893594f1e81e91bc25db15cf6/FLAG1ea8c203c [2022-01-31 16:18:38,060 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:18:38,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-01-31 16:18:38,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3582e3e2f/493e39b893594f1e81e91bc25db15cf6/FLAG1ea8c203c [2022-01-31 16:18:38,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3582e3e2f/493e39b893594f1e81e91bc25db15cf6 [2022-01-31 16:18:38,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:18:38,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:18:38,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:18:38,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:18:38,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:18:38,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:38,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d42456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38, skipping insertion in model container [2022-01-31 16:18:38,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:38,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:18:38,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:18:38,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2022-01-31 16:18:38,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:18:38,787 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:18:38,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2022-01-31 16:18:38,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:18:38,897 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:18:38,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38 WrapperNode [2022-01-31 16:18:38,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:18:38,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:18:38,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:18:38,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:18:38,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:38,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:38,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:38,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:38,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:39,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:39,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:39,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:18:39,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:18:39,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:18:39,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:18:39,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (1/1) ... [2022-01-31 16:18:39,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:18:39,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:18:39,047 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 16:18:39,063 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 16:18:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:18:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-01-31 16:18:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-01-31 16:18:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:18:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:18:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:18:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:18:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 16:18:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-01-31 16:18:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:18:39,214 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:18:39,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:18:40,511 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:18:40,854 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-01-31 16:18:40,854 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-01-31 16:18:40,876 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:18:40,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:18:40,881 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 16:18:40,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:18:40 BoogieIcfgContainer [2022-01-31 16:18:40,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:18:40,884 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:18:40,884 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:18:40,886 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:18:40,888 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:18:40" (1/1) ... [2022-01-31 16:18:40,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:18:40 BasicIcfg [2022-01-31 16:18:40,929 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:18:40,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:18:40,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:18:40,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:18:40,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:18:38" (1/4) ... [2022-01-31 16:18:40,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4221eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:18:40, skipping insertion in model container [2022-01-31 16:18:40,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:18:38" (2/4) ... [2022-01-31 16:18:40,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4221eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:18:40, skipping insertion in model container [2022-01-31 16:18:40,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:18:40" (3/4) ... [2022-01-31 16:18:40,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4221eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:18:40, skipping insertion in model container [2022-01-31 16:18:40,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:18:40" (4/4) ... [2022-01-31 16:18:40,938 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.cJordan [2022-01-31 16:18:40,942 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:18:40,942 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:18:40,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:18:40,981 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 16:18:40,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:18:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:18:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-31 16:18:40,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:40,999 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 16:18:41,000 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:41,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:41,003 INFO L85 PathProgramCache]: Analyzing trace with hash -106935299, now seen corresponding path program 1 times [2022-01-31 16:18:41,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:41,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147946697] [2022-01-31 16:18:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:41,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:41,453 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 16:18:41,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:41,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147946697] [2022-01-31 16:18:41,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147946697] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:41,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:41,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:41,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493477109] [2022-01-31 16:18:41,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:41,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:41,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:41,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:41,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:41,490 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:43,521 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 16:18:43,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:43,858 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-01-31 16:18:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:18:43,860 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 16:18:43,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:43,866 INFO L225 Difference]: With dead ends: 144 [2022-01-31 16:18:43,866 INFO L226 Difference]: Without dead ends: 124 [2022-01-31 16:18:43,867 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 16:18:43,869 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:43,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-01-31 16:18:43,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-01-31 16:18:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 118 states have (on average 1.4915254237288136) internal successors, (176), 118 states have internal predecessors, (176), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-01-31 16:18:43,898 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-01-31 16:18:43,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:43,898 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-01-31 16:18:43,898 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 16:18:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-01-31 16:18:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-31 16:18:43,899 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:43,899 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:18:43,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:18:43,900 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:43,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1091565072, now seen corresponding path program 1 times [2022-01-31 16:18:43,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:43,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556407404] [2022-01-31 16:18:43,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:43,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:44,136 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 16:18:44,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:44,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556407404] [2022-01-31 16:18:44,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556407404] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:44,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:44,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:18:44,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109937230] [2022-01-31 16:18:44,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:44,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:18:44,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:44,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:18:44,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:18:44,146 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:46,164 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 16:18:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:46,418 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-01-31 16:18:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:18:46,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-01-31 16:18:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:46,420 INFO L225 Difference]: With dead ends: 226 [2022-01-31 16:18:46,420 INFO L226 Difference]: Without dead ends: 226 [2022-01-31 16:18:46,421 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 16:18:46,421 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:46,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 323 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:46,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-01-31 16:18:46,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-01-31 16:18:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 221 states have internal predecessors, (326), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-01-31 16:18:46,437 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-01-31 16:18:46,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:46,437 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-01-31 16:18:46,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-01-31 16:18:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-31 16:18:46,439 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:46,439 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 16:18:46,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:18:46,439 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:46,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1300196515, now seen corresponding path program 1 times [2022-01-31 16:18:46,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:46,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103435698] [2022-01-31 16:18:46,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:46,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:46,676 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 16:18:46,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:46,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103435698] [2022-01-31 16:18:46,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103435698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:46,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:46,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:46,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072958723] [2022-01-31 16:18:46,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:46,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:46,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:46,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:46,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:46,679 INFO L87 Difference]: Start difference. First operand 226 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:48,698 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 16:18:49,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:49,045 INFO L93 Difference]: Finished difference Result 411 states and 606 transitions. [2022-01-31 16:18:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:18:49,046 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 16:18:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:49,048 INFO L225 Difference]: With dead ends: 411 [2022-01-31 16:18:49,048 INFO L226 Difference]: Without dead ends: 411 [2022-01-31 16:18:49,049 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 16:18:49,049 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:49,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 285 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-01-31 16:18:49,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 274. [2022-01-31 16:18:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 269 states have (on average 1.5241635687732342) internal successors, (410), 269 states have internal predecessors, (410), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 414 transitions. [2022-01-31 16:18:49,069 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 414 transitions. Word has length 60 [2022-01-31 16:18:49,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:49,069 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 414 transitions. [2022-01-31 16:18:49,070 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 16:18:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 414 transitions. [2022-01-31 16:18:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-31 16:18:49,087 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:49,087 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:18:49,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 16:18:49,087 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:49,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1650439118, now seen corresponding path program 1 times [2022-01-31 16:18:49,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:49,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11487989] [2022-01-31 16:18:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:49,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:49,292 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 16:18:49,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:49,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11487989] [2022-01-31 16:18:49,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11487989] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:49,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:49,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:49,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043617269] [2022-01-31 16:18:49,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:49,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:49,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:49,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:49,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:49,294 INFO L87 Difference]: Start difference. First operand 274 states and 414 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:51,307 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 16:18:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:51,624 INFO L93 Difference]: Finished difference Result 309 states and 466 transitions. [2022-01-31 16:18:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:18:51,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-01-31 16:18:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:51,627 INFO L225 Difference]: With dead ends: 309 [2022-01-31 16:18:51,627 INFO L226 Difference]: Without dead ends: 309 [2022-01-31 16:18:51,627 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 16:18:51,628 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:51,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 490 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:51,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-01-31 16:18:51,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 292. [2022-01-31 16:18:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 287 states have (on average 1.5331010452961673) internal successors, (440), 287 states have internal predecessors, (440), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 444 transitions. [2022-01-31 16:18:51,637 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 444 transitions. Word has length 61 [2022-01-31 16:18:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:51,637 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 444 transitions. [2022-01-31 16:18:51,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 444 transitions. [2022-01-31 16:18:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-31 16:18:51,639 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:51,639 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:18:51,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 16:18:51,640 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:51,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1950691167, now seen corresponding path program 2 times [2022-01-31 16:18:51,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:51,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483649857] [2022-01-31 16:18:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:51,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:51,797 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 16:18:51,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:51,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483649857] [2022-01-31 16:18:51,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483649857] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:51,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:51,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:51,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826847854] [2022-01-31 16:18:51,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:51,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:51,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:51,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:51,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:51,798 INFO L87 Difference]: Start difference. First operand 292 states and 444 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:53,809 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 16:18:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:54,158 INFO L93 Difference]: Finished difference Result 475 states and 715 transitions. [2022-01-31 16:18:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:18:54,159 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 16:18:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:54,161 INFO L225 Difference]: With dead ends: 475 [2022-01-31 16:18:54,161 INFO L226 Difference]: Without dead ends: 475 [2022-01-31 16:18:54,161 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 16:18:54,161 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 113 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:54,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 302 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:54,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-01-31 16:18:54,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 314. [2022-01-31 16:18:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5177993527508091) internal successors, (469), 309 states have internal predecessors, (469), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 473 transitions. [2022-01-31 16:18:54,192 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 473 transitions. Word has length 76 [2022-01-31 16:18:54,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:54,192 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 473 transitions. [2022-01-31 16:18:54,192 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 16:18:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 473 transitions. [2022-01-31 16:18:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-31 16:18:54,194 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:54,194 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:18:54,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 16:18:54,195 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:54,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2051877695, now seen corresponding path program 1 times [2022-01-31 16:18:54,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:54,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77085296] [2022-01-31 16:18:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:54,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:18:54,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:54,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77085296] [2022-01-31 16:18:54,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77085296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:54,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:54,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:54,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734090450] [2022-01-31 16:18:54,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:54,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:54,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:54,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:54,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:54,415 INFO L87 Difference]: Start difference. First operand 314 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:56,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:18:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:56,748 INFO L93 Difference]: Finished difference Result 330 states and 493 transitions. [2022-01-31 16:18:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:18:56,748 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 16:18:56,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:56,749 INFO L225 Difference]: With dead ends: 330 [2022-01-31 16:18:56,749 INFO L226 Difference]: Without dead ends: 330 [2022-01-31 16:18:56,750 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 16:18:56,750 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 35 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:56,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 488 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:56,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-01-31 16:18:56,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 314. [2022-01-31 16:18:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5145631067961165) internal successors, (468), 309 states have internal predecessors, (468), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 472 transitions. [2022-01-31 16:18:56,756 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 472 transitions. Word has length 76 [2022-01-31 16:18:56,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:56,756 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 472 transitions. [2022-01-31 16:18:56,757 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 16:18:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 472 transitions. [2022-01-31 16:18:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-31 16:18:56,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:56,758 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:18:56,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 16:18:56,759 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:56,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:56,759 INFO L85 PathProgramCache]: Analyzing trace with hash 157415765, now seen corresponding path program 1 times [2022-01-31 16:18:56,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:56,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468979108] [2022-01-31 16:18:56,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:56,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:56,891 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 16:18:56,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:56,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468979108] [2022-01-31 16:18:56,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468979108] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:56,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:56,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:56,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359156699] [2022-01-31 16:18:56,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:56,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:56,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:56,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:56,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:56,893 INFO L87 Difference]: Start difference. First operand 314 states and 472 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:58,908 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 16:18:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:18:59,219 INFO L93 Difference]: Finished difference Result 330 states and 492 transitions. [2022-01-31 16:18:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:18:59,219 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 16:18:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:18:59,220 INFO L225 Difference]: With dead ends: 330 [2022-01-31 16:18:59,221 INFO L226 Difference]: Without dead ends: 330 [2022-01-31 16:18:59,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:18:59,221 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 33 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:18:59,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 486 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:18:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-01-31 16:18:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 314. [2022-01-31 16:18:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5113268608414239) internal successors, (467), 309 states have internal predecessors, (467), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:18:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 471 transitions. [2022-01-31 16:18:59,227 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 471 transitions. Word has length 77 [2022-01-31 16:18:59,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:18:59,227 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 471 transitions. [2022-01-31 16:18:59,227 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 16:18:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 471 transitions. [2022-01-31 16:18:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-31 16:18:59,228 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:18:59,228 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:18:59,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 16:18:59,228 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:18:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:18:59,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2108157307, now seen corresponding path program 1 times [2022-01-31 16:18:59,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:18:59,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421305918] [2022-01-31 16:18:59,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:18:59,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:18:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:18:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:18:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:18:59,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:18:59,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421305918] [2022-01-31 16:18:59,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421305918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:18:59,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:18:59,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:18:59,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435216530] [2022-01-31 16:18:59,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:18:59,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:18:59,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:18:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:18:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:18:59,413 INFO L87 Difference]: Start difference. First operand 314 states and 471 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:01,429 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 16:19:01,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:01,791 INFO L93 Difference]: Finished difference Result 476 states and 709 transitions. [2022-01-31 16:19:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:01,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-01-31 16:19:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:01,793 INFO L225 Difference]: With dead ends: 476 [2022-01-31 16:19:01,793 INFO L226 Difference]: Without dead ends: 476 [2022-01-31 16:19:01,793 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 16:19:01,794 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 118 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:01,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-01-31 16:19:01,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 320. [2022-01-31 16:19:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 315 states have (on average 1.5047619047619047) internal successors, (474), 315 states have internal predecessors, (474), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 478 transitions. [2022-01-31 16:19:01,801 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 478 transitions. Word has length 78 [2022-01-31 16:19:01,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:01,801 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 478 transitions. [2022-01-31 16:19:01,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 478 transitions. [2022-01-31 16:19:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-31 16:19:01,802 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:01,802 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:01,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 16:19:01,802 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:01,803 INFO L85 PathProgramCache]: Analyzing trace with hash 716258738, now seen corresponding path program 1 times [2022-01-31 16:19:01,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:01,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673121912] [2022-01-31 16:19:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:01,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-31 16:19:01,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:01,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673121912] [2022-01-31 16:19:01,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673121912] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:01,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:01,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:01,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933810477] [2022-01-31 16:19:01,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:01,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:01,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:01,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:01,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:01,963 INFO L87 Difference]: Start difference. First operand 320 states and 478 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:03,979 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 16:19:04,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:04,321 INFO L93 Difference]: Finished difference Result 476 states and 704 transitions. [2022-01-31 16:19:04,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:04,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-01-31 16:19:04,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:04,323 INFO L225 Difference]: With dead ends: 476 [2022-01-31 16:19:04,323 INFO L226 Difference]: Without dead ends: 476 [2022-01-31 16:19:04,323 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 16:19:04,324 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 116 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:04,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-01-31 16:19:04,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 322. [2022-01-31 16:19:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.4921135646687698) internal successors, (473), 317 states have internal predecessors, (473), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 477 transitions. [2022-01-31 16:19:04,330 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 477 transitions. Word has length 79 [2022-01-31 16:19:04,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:04,330 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 477 transitions. [2022-01-31 16:19:04,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 477 transitions. [2022-01-31 16:19:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-31 16:19:04,331 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:04,331 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:04,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 16:19:04,331 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:04,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:04,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2090076171, now seen corresponding path program 1 times [2022-01-31 16:19:04,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:04,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234225084] [2022-01-31 16:19:04,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:04,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:04,546 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 16:19:04,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:04,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234225084] [2022-01-31 16:19:04,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234225084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:04,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:04,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:04,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149785511] [2022-01-31 16:19:04,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:04,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:04,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:04,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:04,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:04,547 INFO L87 Difference]: Start difference. First operand 322 states and 477 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:06,563 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 16:19:06,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:06,916 INFO L93 Difference]: Finished difference Result 483 states and 715 transitions. [2022-01-31 16:19:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:06,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-01-31 16:19:06,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:06,918 INFO L225 Difference]: With dead ends: 483 [2022-01-31 16:19:06,918 INFO L226 Difference]: Without dead ends: 483 [2022-01-31 16:19:06,918 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 16:19:06,919 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 127 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:06,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 483 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-01-31 16:19:06,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2022-01-31 16:19:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 478 states have (on average 1.4874476987447698) internal successors, (711), 478 states have internal predecessors, (711), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 715 transitions. [2022-01-31 16:19:06,927 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 715 transitions. Word has length 79 [2022-01-31 16:19:06,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:06,927 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 715 transitions. [2022-01-31 16:19:06,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 715 transitions. [2022-01-31 16:19:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-31 16:19:06,928 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:06,928 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:06,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-31 16:19:06,928 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:06,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:06,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1243277108, now seen corresponding path program 1 times [2022-01-31 16:19:06,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:06,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850580388] [2022-01-31 16:19:06,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:06,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:07,048 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 16:19:07,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:07,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850580388] [2022-01-31 16:19:07,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850580388] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:07,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:07,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:07,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502673851] [2022-01-31 16:19:07,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:07,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:07,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:07,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:07,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:07,049 INFO L87 Difference]: Start difference. First operand 483 states and 715 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:09,063 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 16:19:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:09,265 INFO L93 Difference]: Finished difference Result 507 states and 747 transitions. [2022-01-31 16:19:09,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:09,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-01-31 16:19:09,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:09,267 INFO L225 Difference]: With dead ends: 507 [2022-01-31 16:19:09,267 INFO L226 Difference]: Without dead ends: 507 [2022-01-31 16:19:09,267 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 16:19:09,268 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 15 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:09,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 363 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 16:19:09,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-01-31 16:19:09,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2022-01-31 16:19:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 502 states have (on average 1.4800796812749004) internal successors, (743), 502 states have internal predecessors, (743), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 747 transitions. [2022-01-31 16:19:09,276 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 747 transitions. Word has length 79 [2022-01-31 16:19:09,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:09,276 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 747 transitions. [2022-01-31 16:19:09,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 747 transitions. [2022-01-31 16:19:09,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-31 16:19:09,277 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:09,277 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:09,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-31 16:19:09,278 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:09,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:09,278 INFO L85 PathProgramCache]: Analyzing trace with hash -194398162, now seen corresponding path program 1 times [2022-01-31 16:19:09,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:09,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189167289] [2022-01-31 16:19:09,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:09,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:09,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:09,453 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 16:19:09,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:09,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189167289] [2022-01-31 16:19:09,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189167289] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:09,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:09,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:09,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625371953] [2022-01-31 16:19:09,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:09,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:09,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:09,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:09,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:09,454 INFO L87 Difference]: Start difference. First operand 507 states and 747 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:11,468 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 16:19:11,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:11,799 INFO L93 Difference]: Finished difference Result 652 states and 962 transitions. [2022-01-31 16:19:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:11,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2022-01-31 16:19:11,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:11,801 INFO L225 Difference]: With dead ends: 652 [2022-01-31 16:19:11,801 INFO L226 Difference]: Without dead ends: 652 [2022-01-31 16:19:11,801 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 16:19:11,802 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 127 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:11,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 482 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:11,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-01-31 16:19:11,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2022-01-31 16:19:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 647 states have (on average 1.480680061823802) internal successors, (958), 647 states have internal predecessors, (958), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 962 transitions. [2022-01-31 16:19:11,811 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 962 transitions. Word has length 99 [2022-01-31 16:19:11,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:11,812 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 962 transitions. [2022-01-31 16:19:11,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 962 transitions. [2022-01-31 16:19:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-01-31 16:19:11,813 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:11,813 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:11,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-31 16:19:11,813 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229179, now seen corresponding path program 1 times [2022-01-31 16:19:11,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:11,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759820655] [2022-01-31 16:19:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:11,976 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 16:19:11,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:11,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759820655] [2022-01-31 16:19:11,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759820655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:11,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:11,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:19:11,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104903437] [2022-01-31 16:19:11,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:11,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:11,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:11,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:11,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:19:11,977 INFO L87 Difference]: Start difference. First operand 652 states and 962 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:13,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:19:14,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:14,334 INFO L93 Difference]: Finished difference Result 811 states and 1197 transitions. [2022-01-31 16:19:14,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:14,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-01-31 16:19:14,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:14,337 INFO L225 Difference]: With dead ends: 811 [2022-01-31 16:19:14,337 INFO L226 Difference]: Without dead ends: 811 [2022-01-31 16:19:14,337 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 16:19:14,337 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:14,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 480 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 340 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-01-31 16:19:14,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2022-01-31 16:19:14,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 806 states have (on average 1.4801488833746899) internal successors, (1193), 806 states have internal predecessors, (1193), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1197 transitions. [2022-01-31 16:19:14,349 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1197 transitions. Word has length 119 [2022-01-31 16:19:14,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:14,349 INFO L470 AbstractCegarLoop]: Abstraction has 811 states and 1197 transitions. [2022-01-31 16:19:14,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1197 transitions. [2022-01-31 16:19:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-01-31 16:19:14,351 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:14,351 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:14,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-31 16:19:14,351 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:14,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1955762567, now seen corresponding path program 1 times [2022-01-31 16:19:14,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:14,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986588830] [2022-01-31 16:19:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:14,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:14,522 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-01-31 16:19:14,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:14,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986588830] [2022-01-31 16:19:14,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986588830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:14,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:14,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:14,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634581984] [2022-01-31 16:19:14,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:14,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:14,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:14,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:14,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:14,523 INFO L87 Difference]: Start difference. First operand 811 states and 1197 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:16,539 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 16:19:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:16,882 INFO L93 Difference]: Finished difference Result 958 states and 1396 transitions. [2022-01-31 16:19:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:16,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-01-31 16:19:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:16,885 INFO L225 Difference]: With dead ends: 958 [2022-01-31 16:19:16,885 INFO L226 Difference]: Without dead ends: 958 [2022-01-31 16:19:16,885 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 16:19:16,886 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 46 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:16,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 524 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 405 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:16,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-01-31 16:19:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 847. [2022-01-31 16:19:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 842 states have (on average 1.497624703087886) internal successors, (1261), 842 states have internal predecessors, (1261), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:16,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1265 transitions. [2022-01-31 16:19:16,898 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1265 transitions. Word has length 146 [2022-01-31 16:19:16,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:16,898 INFO L470 AbstractCegarLoop]: Abstraction has 847 states and 1265 transitions. [2022-01-31 16:19:16,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1265 transitions. [2022-01-31 16:19:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-31 16:19:16,900 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:16,900 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:16,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-31 16:19:16,900 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:16,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:16,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1071716644, now seen corresponding path program 1 times [2022-01-31 16:19:16,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:16,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273986102] [2022-01-31 16:19:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:16,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-01-31 16:19:17,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:17,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273986102] [2022-01-31 16:19:17,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273986102] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:17,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:17,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:17,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397358548] [2022-01-31 16:19:17,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:17,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:17,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:17,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:17,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:17,045 INFO L87 Difference]: Start difference. First operand 847 states and 1265 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:19,059 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 16:19:19,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:19,395 INFO L93 Difference]: Finished difference Result 1306 states and 1919 transitions. [2022-01-31 16:19:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:19,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 161 [2022-01-31 16:19:19,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:19,399 INFO L225 Difference]: With dead ends: 1306 [2022-01-31 16:19:19,399 INFO L226 Difference]: Without dead ends: 1306 [2022-01-31 16:19:19,399 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 16:19:19,400 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 111 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:19,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-01-31 16:19:19,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 952. [2022-01-31 16:19:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4963041182682155) internal successors, (1417), 947 states have internal predecessors, (1417), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1421 transitions. [2022-01-31 16:19:19,414 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1421 transitions. Word has length 161 [2022-01-31 16:19:19,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:19,414 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1421 transitions. [2022-01-31 16:19:19,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1421 transitions. [2022-01-31 16:19:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-31 16:19:19,416 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:19,416 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:19,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-31 16:19:19,417 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:19,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:19,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2146697243, now seen corresponding path program 1 times [2022-01-31 16:19:19,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:19,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14074421] [2022-01-31 16:19:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:19,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-01-31 16:19:19,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:19,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14074421] [2022-01-31 16:19:19,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14074421] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:19,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:19,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:19,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79362040] [2022-01-31 16:19:19,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:19,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:19,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:19,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:19,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:19,598 INFO L87 Difference]: Start difference. First operand 952 states and 1421 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:21,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:19:23,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:19:25,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:19:27,558 WARN L534 Checker$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 16:19:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:27,906 INFO L93 Difference]: Finished difference Result 1063 states and 1548 transitions. [2022-01-31 16:19:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:27,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 161 [2022-01-31 16:19:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:27,909 INFO L225 Difference]: With dead ends: 1063 [2022-01-31 16:19:27,909 INFO L226 Difference]: Without dead ends: 1063 [2022-01-31 16:19:27,909 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 16:19:27,910 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 56 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:27,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 521 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 403 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-01-31 16:19:27,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-01-31 16:19:27,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 952. [2022-01-31 16:19:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4920802534318902) internal successors, (1413), 947 states have internal predecessors, (1413), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1417 transitions. [2022-01-31 16:19:27,923 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1417 transitions. Word has length 161 [2022-01-31 16:19:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:27,923 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1417 transitions. [2022-01-31 16:19:27,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1417 transitions. [2022-01-31 16:19:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-01-31 16:19:27,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:27,925 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:27,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-31 16:19:27,925 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:27,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:27,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1750862409, now seen corresponding path program 1 times [2022-01-31 16:19:27,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:27,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880718781] [2022-01-31 16:19:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:27,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-01-31 16:19:28,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:28,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880718781] [2022-01-31 16:19:28,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880718781] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:28,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:28,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:28,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032727926] [2022-01-31 16:19:28,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:28,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:28,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:28,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:28,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:28,107 INFO L87 Difference]: Start difference. First operand 952 states and 1417 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:30,115 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 16:19:30,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:30,443 INFO L93 Difference]: Finished difference Result 1027 states and 1500 transitions. [2022-01-31 16:19:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:30,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 162 [2022-01-31 16:19:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:30,446 INFO L225 Difference]: With dead ends: 1027 [2022-01-31 16:19:30,446 INFO L226 Difference]: Without dead ends: 1027 [2022-01-31 16:19:30,446 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 16:19:30,446 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 47 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:30,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 507 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:30,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2022-01-31 16:19:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 952. [2022-01-31 16:19:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.487856388595565) internal successors, (1409), 947 states have internal predecessors, (1409), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1413 transitions. [2022-01-31 16:19:30,460 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1413 transitions. Word has length 162 [2022-01-31 16:19:30,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:30,461 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1413 transitions. [2022-01-31 16:19:30,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1413 transitions. [2022-01-31 16:19:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-01-31 16:19:30,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:30,463 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:30,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-31 16:19:30,463 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:30,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:30,463 INFO L85 PathProgramCache]: Analyzing trace with hash 148566336, now seen corresponding path program 1 times [2022-01-31 16:19:30,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:30,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542556182] [2022-01-31 16:19:30,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:30,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 229 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-01-31 16:19:30,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542556182] [2022-01-31 16:19:30,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542556182] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:19:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9106401] [2022-01-31 16:19:30,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:30,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:19:30,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:19:30,641 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 16:19:30,658 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 16:19:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-31 16:19:31,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:19:31,607 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-01-31 16:19:31,609 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-01-31 16:19:31,614 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-01-31 16:19:31,620 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-01-31 16:19:31,628 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-01-31 16:19:31,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 16:19:31,828 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-01-31 16:19:31,862 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-01-31 16:19:31,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-01-31 16:19:31,957 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-01-31 16:19:31,957 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-01-31 16:19:31,997 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-01-31 16:19:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 195 proven. 40 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-31 16:19:32,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:19:32,211 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-01-31 16:19:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-01-31 16:19:32,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9106401] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-31 16:19:32,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-31 16:19:32,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-01-31 16:19:32,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612390504] [2022-01-31 16:19:32,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:32,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:32,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:32,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:32,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-31 16:19:32,272 INFO L87 Difference]: Start difference. First operand 952 states and 1413 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:34,278 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 16:19:34,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:34,528 INFO L93 Difference]: Finished difference Result 1286 states and 1862 transitions. [2022-01-31 16:19:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:34,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 164 [2022-01-31 16:19:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:34,531 INFO L225 Difference]: With dead ends: 1286 [2022-01-31 16:19:34,531 INFO L226 Difference]: Without dead ends: 1286 [2022-01-31 16:19:34,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:19:34,532 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 110 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:34,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 294 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 16:19:34,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2022-01-31 16:19:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 952. [2022-01-31 16:19:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4730728616684265) internal successors, (1395), 947 states have internal predecessors, (1395), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1399 transitions. [2022-01-31 16:19:34,545 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1399 transitions. Word has length 164 [2022-01-31 16:19:34,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:34,546 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1399 transitions. [2022-01-31 16:19:34,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1399 transitions. [2022-01-31 16:19:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-01-31 16:19:34,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:34,548 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:34,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-31 16:19:34,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-31 16:19:34,770 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:34,770 INFO L85 PathProgramCache]: Analyzing trace with hash -422063492, now seen corresponding path program 1 times [2022-01-31 16:19:34,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:34,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954186369] [2022-01-31 16:19:34,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:34,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:34,862 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 312 backedges. 231 proven. 1 refuted. 0 times theorem prover too weak. 80 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 [1954186369] [2022-01-31 16:19:34,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954186369] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:19:34,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366875109] [2022-01-31 16:19:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:34,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:19:34,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:19:34,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 16:19:34,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-31 16:19:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:35,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-31 16:19:35,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:19:36,039 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-01-31 16:19:36,039 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-01-31 16:19:36,050 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-01-31 16:19:36,055 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-01-31 16:19:36,059 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-01-31 16:19:36,134 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-01-31 16:19:36,171 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-01-31 16:19:36,174 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-01-31 16:19:36,208 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-01-31 16:19:36,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-01-31 16:19:36,287 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-01-31 16:19:36,288 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-01-31 16:19:36,326 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-01-31 16:19:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 199 proven. 40 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-31 16:19:36,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:19:36,510 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-01-31 16:19:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-01-31 16:19:36,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366875109] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-31 16:19:36,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-31 16:19:36,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-01-31 16:19:36,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735566545] [2022-01-31 16:19:36,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:36,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:19:36,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:36,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:19:36,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-01-31 16:19:36,598 INFO L87 Difference]: Start difference. First operand 952 states and 1399 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:38,611 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 16:19:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:38,844 INFO L93 Difference]: Finished difference Result 1282 states and 1843 transitions. [2022-01-31 16:19:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:19:38,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-01-31 16:19:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:38,848 INFO L225 Difference]: With dead ends: 1282 [2022-01-31 16:19:38,848 INFO L226 Difference]: Without dead ends: 1282 [2022-01-31 16:19:38,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:19:38,849 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 111 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:38,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 290 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 16:19:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-01-31 16:19:38,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 952. [2022-01-31 16:19:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4582893347412882) internal successors, (1381), 947 states have internal predecessors, (1381), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1385 transitions. [2022-01-31 16:19:38,862 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1385 transitions. Word has length 165 [2022-01-31 16:19:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:38,862 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1385 transitions. [2022-01-31 16:19:38,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1385 transitions. [2022-01-31 16:19:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-01-31 16:19:38,864 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:38,864 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:38,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-31 16:19:39,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:19:39,087 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:39,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:39,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1737330566, now seen corresponding path program 1 times [2022-01-31 16:19:39,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:39,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714736314] [2022-01-31 16:19:39,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:39,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:39,264 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-01-31 16:19:39,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:39,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714736314] [2022-01-31 16:19:39,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714736314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:39,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:39,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:39,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244120424] [2022-01-31 16:19:39,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:39,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:39,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:39,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:39,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:39,266 INFO L87 Difference]: Start difference. First operand 952 states and 1385 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:41,283 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 16:19:41,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:41,598 INFO L93 Difference]: Finished difference Result 990 states and 1421 transitions. [2022-01-31 16:19:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-01-31 16:19:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:41,601 INFO L225 Difference]: With dead ends: 990 [2022-01-31 16:19:41,601 INFO L226 Difference]: Without dead ends: 990 [2022-01-31 16:19:41,601 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 16:19:41,602 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 26 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:41,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 485 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:41,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2022-01-31 16:19:41,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 952. [2022-01-31 16:19:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.454065469904963) internal successors, (1377), 947 states have internal predecessors, (1377), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1381 transitions. [2022-01-31 16:19:41,614 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1381 transitions. Word has length 165 [2022-01-31 16:19:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:41,614 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1381 transitions. [2022-01-31 16:19:41,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1381 transitions. [2022-01-31 16:19:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-31 16:19:41,616 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:41,616 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:41,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-31 16:19:41,616 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:41,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:41,616 INFO L85 PathProgramCache]: Analyzing trace with hash 895050319, now seen corresponding path program 1 times [2022-01-31 16:19:41,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:41,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88208490] [2022-01-31 16:19:41,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:41,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:19:41,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:41,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88208490] [2022-01-31 16:19:41,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88208490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:41,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:41,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:41,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132814908] [2022-01-31 16:19:41,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:41,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:41,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:41,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:41,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:41,786 INFO L87 Difference]: Start difference. First operand 952 states and 1381 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:43,794 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 16:19:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:44,273 INFO L93 Difference]: Finished difference Result 1291 states and 1864 transitions. [2022-01-31 16:19:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:44,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 168 [2022-01-31 16:19:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:44,276 INFO L225 Difference]: With dead ends: 1291 [2022-01-31 16:19:44,276 INFO L226 Difference]: Without dead ends: 1291 [2022-01-31 16:19:44,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:19:44,277 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 82 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:44,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 560 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-01-31 16:19:44,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-01-31 16:19:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1056. [2022-01-31 16:19:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1051 states have (on average 1.4548049476688867) internal successors, (1529), 1051 states have internal predecessors, (1529), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1533 transitions. [2022-01-31 16:19:44,290 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1533 transitions. Word has length 168 [2022-01-31 16:19:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:44,290 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1533 transitions. [2022-01-31 16:19:44,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1533 transitions. [2022-01-31 16:19:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-31 16:19:44,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:44,292 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:44,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-31 16:19:44,292 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:44,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:44,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1182159024, now seen corresponding path program 1 times [2022-01-31 16:19:44,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:44,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562204977] [2022-01-31 16:19:44,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:44,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:19:44,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:44,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562204977] [2022-01-31 16:19:44,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562204977] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:44,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:44,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:44,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142508667] [2022-01-31 16:19:44,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:44,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:44,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:44,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:44,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:44,457 INFO L87 Difference]: Start difference. First operand 1056 states and 1533 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:46,466 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 16:19:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:46,889 INFO L93 Difference]: Finished difference Result 1472 states and 2127 transitions. [2022-01-31 16:19:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:46,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 168 [2022-01-31 16:19:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:46,893 INFO L225 Difference]: With dead ends: 1472 [2022-01-31 16:19:46,893 INFO L226 Difference]: Without dead ends: 1472 [2022-01-31 16:19:46,893 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 16:19:46,894 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 82 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:46,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 562 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 521 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-01-31 16:19:46,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1077. [2022-01-31 16:19:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1072 states have (on average 1.4570895522388059) internal successors, (1562), 1072 states have internal predecessors, (1562), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1566 transitions. [2022-01-31 16:19:46,905 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1566 transitions. Word has length 168 [2022-01-31 16:19:46,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:46,906 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1566 transitions. [2022-01-31 16:19:46,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1566 transitions. [2022-01-31 16:19:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-31 16:19:46,907 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:46,908 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:46,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-31 16:19:46,908 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1879799682, now seen corresponding path program 1 times [2022-01-31 16:19:46,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:46,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373338183] [2022-01-31 16:19:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:46,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:19:47,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:47,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373338183] [2022-01-31 16:19:47,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373338183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:47,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:47,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:47,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426281579] [2022-01-31 16:19:47,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:47,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:47,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:47,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:47,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:47,107 INFO L87 Difference]: Start difference. First operand 1077 states and 1566 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:49,115 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 16:19:49,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:49,489 INFO L93 Difference]: Finished difference Result 1407 states and 2009 transitions. [2022-01-31 16:19:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:49,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 183 [2022-01-31 16:19:49,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:49,493 INFO L225 Difference]: With dead ends: 1407 [2022-01-31 16:19:49,493 INFO L226 Difference]: Without dead ends: 1407 [2022-01-31 16:19:49,493 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 16:19:49,494 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 118 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:49,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:49,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2022-01-31 16:19:49,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1077. [2022-01-31 16:19:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1072 states have (on average 1.4430970149253732) internal successors, (1547), 1072 states have internal predecessors, (1547), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1551 transitions. [2022-01-31 16:19:49,531 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1551 transitions. Word has length 183 [2022-01-31 16:19:49,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:49,532 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1551 transitions. [2022-01-31 16:19:49,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1551 transitions. [2022-01-31 16:19:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-01-31 16:19:49,534 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:49,534 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:49,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-31 16:19:49,534 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:49,534 INFO L85 PathProgramCache]: Analyzing trace with hash -882035342, now seen corresponding path program 1 times [2022-01-31 16:19:49,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:49,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79467019] [2022-01-31 16:19:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:49,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:19:49,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:49,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79467019] [2022-01-31 16:19:49,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79467019] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:49,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:49,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:49,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247955060] [2022-01-31 16:19:49,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:49,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:49,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:49,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:49,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:49,707 INFO L87 Difference]: Start difference. First operand 1077 states and 1551 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:51,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:19:52,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:52,165 INFO L93 Difference]: Finished difference Result 1380 states and 1982 transitions. [2022-01-31 16:19:52,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:52,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 184 [2022-01-31 16:19:52,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:52,168 INFO L225 Difference]: With dead ends: 1380 [2022-01-31 16:19:52,168 INFO L226 Difference]: Without dead ends: 1380 [2022-01-31 16:19:52,168 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 16:19:52,169 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 85 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:52,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 544 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 498 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2022-01-31 16:19:52,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1133. [2022-01-31 16:19:52,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1128 states have (on average 1.4388297872340425) internal successors, (1623), 1128 states have internal predecessors, (1623), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1627 transitions. [2022-01-31 16:19:52,180 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1627 transitions. Word has length 184 [2022-01-31 16:19:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:52,180 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 1627 transitions. [2022-01-31 16:19:52,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1627 transitions. [2022-01-31 16:19:52,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-01-31 16:19:52,182 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:52,182 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:52,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-31 16:19:52,183 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:52,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:52,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1477271667, now seen corresponding path program 1 times [2022-01-31 16:19:52,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:52,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842629084] [2022-01-31 16:19:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:52,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:19:52,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:52,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842629084] [2022-01-31 16:19:52,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842629084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:52,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:52,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:52,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749036693] [2022-01-31 16:19:52,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:52,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:52,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:52,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:52,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:52,363 INFO L87 Difference]: Start difference. First operand 1133 states and 1627 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:54,371 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 16:19:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:54,748 INFO L93 Difference]: Finished difference Result 1427 states and 2044 transitions. [2022-01-31 16:19:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:54,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 184 [2022-01-31 16:19:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:54,757 INFO L225 Difference]: With dead ends: 1427 [2022-01-31 16:19:54,757 INFO L226 Difference]: Without dead ends: 1427 [2022-01-31 16:19:54,757 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 16:19:54,757 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 85 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:54,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 546 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 497 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:19:54,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-01-31 16:19:54,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1077. [2022-01-31 16:19:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1072 states have (on average 1.4384328358208955) internal successors, (1542), 1072 states have internal predecessors, (1542), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1546 transitions. [2022-01-31 16:19:54,796 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1546 transitions. Word has length 184 [2022-01-31 16:19:54,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:54,796 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1546 transitions. [2022-01-31 16:19:54,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1546 transitions. [2022-01-31 16:19:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-01-31 16:19:54,798 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:54,798 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:54,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-31 16:19:54,798 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:54,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:54,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1685046441, now seen corresponding path program 1 times [2022-01-31 16:19:54,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:54,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817391157] [2022-01-31 16:19:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:54,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-01-31 16:19:54,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817391157] [2022-01-31 16:19:54,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817391157] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:54,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:54,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:54,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593771373] [2022-01-31 16:19:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:54,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:54,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:54,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:54,995 INFO L87 Difference]: Start difference. First operand 1077 states and 1546 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:57,003 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 16:19:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:57,320 INFO L93 Difference]: Finished difference Result 1285 states and 1817 transitions. [2022-01-31 16:19:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:57,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 187 [2022-01-31 16:19:57,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:57,333 INFO L225 Difference]: With dead ends: 1285 [2022-01-31 16:19:57,334 INFO L226 Difference]: Without dead ends: 1285 [2022-01-31 16:19:57,334 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 16:19:57,334 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 32 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:57,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 498 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 372 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:57,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-01-31 16:19:57,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1187. [2022-01-31 16:19:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1182 states have (on average 1.4357021996615906) internal successors, (1697), 1182 states have internal predecessors, (1697), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1701 transitions. [2022-01-31 16:19:57,354 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1701 transitions. Word has length 187 [2022-01-31 16:19:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:19:57,355 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1701 transitions. [2022-01-31 16:19:57,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1701 transitions. [2022-01-31 16:19:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-01-31 16:19:57,357 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:19:57,357 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:19:57,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-31 16:19:57,357 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:19:57,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:19:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash -575385625, now seen corresponding path program 1 times [2022-01-31 16:19:57,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:19:57,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070513389] [2022-01-31 16:19:57,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:19:57,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:19:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:19:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:19:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:19:57,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:19:57,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070513389] [2022-01-31 16:19:57,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070513389] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:19:57,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:19:57,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:19:57,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964671439] [2022-01-31 16:19:57,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:19:57,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:19:57,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:19:57,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:19:57,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:19:57,639 INFO L87 Difference]: Start difference. First operand 1187 states and 1701 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:19:59,652 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 16:19:59,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:19:59,989 INFO L93 Difference]: Finished difference Result 1517 states and 2145 transitions. [2022-01-31 16:19:59,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:19:59,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 188 [2022-01-31 16:19:59,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:19:59,993 INFO L225 Difference]: With dead ends: 1517 [2022-01-31 16:19:59,993 INFO L226 Difference]: Without dead ends: 1517 [2022-01-31 16:19:59,993 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 16:19:59,993 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 107 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:19:59,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 288 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:19:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2022-01-31 16:20:00,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1187. [2022-01-31 16:20:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1182 states have (on average 1.4238578680203047) internal successors, (1683), 1182 states have internal predecessors, (1683), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1687 transitions. [2022-01-31 16:20:00,006 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1687 transitions. Word has length 188 [2022-01-31 16:20:00,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:00,007 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1687 transitions. [2022-01-31 16:20:00,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1687 transitions. [2022-01-31 16:20:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-01-31 16:20:00,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:00,009 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:00,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-31 16:20:00,009 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 273643671, now seen corresponding path program 1 times [2022-01-31 16:20:00,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:00,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462449325] [2022-01-31 16:20:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:00,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:20:00,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:00,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462449325] [2022-01-31 16:20:00,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462449325] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:00,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:00,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:00,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342329538] [2022-01-31 16:20:00,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:00,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:00,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:00,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:00,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:00,188 INFO L87 Difference]: Start difference. First operand 1187 states and 1687 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:02,195 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 16:20:02,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:02,573 INFO L93 Difference]: Finished difference Result 1517 states and 2131 transitions. [2022-01-31 16:20:02,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:02,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-01-31 16:20:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:02,576 INFO L225 Difference]: With dead ends: 1517 [2022-01-31 16:20:02,577 INFO L226 Difference]: Without dead ends: 1517 [2022-01-31 16:20:02,577 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 16:20:02,577 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 106 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:02,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 288 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:20:02,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2022-01-31 16:20:02,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1187. [2022-01-31 16:20:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1182 states have (on average 1.4120135363790187) internal successors, (1669), 1182 states have internal predecessors, (1669), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1673 transitions. [2022-01-31 16:20:02,589 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1673 transitions. Word has length 189 [2022-01-31 16:20:02,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:02,589 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1673 transitions. [2022-01-31 16:20:02,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1673 transitions. [2022-01-31 16:20:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-31 16:20:02,591 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:02,591 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:02,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-31 16:20:02,591 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash 514643570, now seen corresponding path program 1 times [2022-01-31 16:20:02,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:02,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057637314] [2022-01-31 16:20:02,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:02,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:20:02,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:02,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057637314] [2022-01-31 16:20:02,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057637314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:02,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:02,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:02,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738843052] [2022-01-31 16:20:02,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:02,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:02,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:02,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:02,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:02,751 INFO L87 Difference]: Start difference. First operand 1187 states and 1673 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:04,759 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 16:20:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:05,068 INFO L93 Difference]: Finished difference Result 1358 states and 1895 transitions. [2022-01-31 16:20:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:05,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 199 [2022-01-31 16:20:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:05,071 INFO L225 Difference]: With dead ends: 1358 [2022-01-31 16:20:05,071 INFO L226 Difference]: Without dead ends: 1358 [2022-01-31 16:20:05,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:20:05,072 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 28 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:05,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 490 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:05,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2022-01-31 16:20:05,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1303. [2022-01-31 16:20:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1298 states have (on average 1.4060092449922958) internal successors, (1825), 1298 states have internal predecessors, (1825), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1829 transitions. [2022-01-31 16:20:05,083 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1829 transitions. Word has length 199 [2022-01-31 16:20:05,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:05,083 INFO L470 AbstractCegarLoop]: Abstraction has 1303 states and 1829 transitions. [2022-01-31 16:20:05,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1829 transitions. [2022-01-31 16:20:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-31 16:20:05,085 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:05,085 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:05,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-31 16:20:05,085 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:05,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash 534980945, now seen corresponding path program 1 times [2022-01-31 16:20:05,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:05,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038751004] [2022-01-31 16:20:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:05,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-01-31 16:20:05,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:05,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038751004] [2022-01-31 16:20:05,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038751004] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:05,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:05,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:05,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057169349] [2022-01-31 16:20:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:05,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:05,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:05,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:05,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:05,272 INFO L87 Difference]: Start difference. First operand 1303 states and 1829 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:07,279 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 16:20:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:07,709 INFO L93 Difference]: Finished difference Result 1710 states and 2398 transitions. [2022-01-31 16:20:07,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:07,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 199 [2022-01-31 16:20:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:07,713 INFO L225 Difference]: With dead ends: 1710 [2022-01-31 16:20:07,713 INFO L226 Difference]: Without dead ends: 1710 [2022-01-31 16:20:07,713 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 16:20:07,714 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 76 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:07,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 548 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 512 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 16:20:07,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-01-31 16:20:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1373. [2022-01-31 16:20:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 1368 states have (on average 1.4071637426900585) internal successors, (1925), 1368 states have internal predecessors, (1925), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1929 transitions. [2022-01-31 16:20:07,727 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1929 transitions. Word has length 199 [2022-01-31 16:20:07,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:07,727 INFO L470 AbstractCegarLoop]: Abstraction has 1373 states and 1929 transitions. [2022-01-31 16:20:07,727 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 16:20:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1929 transitions. [2022-01-31 16:20:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-31 16:20:07,729 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:07,729 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:07,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-31 16:20:07,729 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:07,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:07,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1542228398, now seen corresponding path program 1 times [2022-01-31 16:20:07,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:07,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334799730] [2022-01-31 16:20:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:07,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-01-31 16:20:08,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:08,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334799730] [2022-01-31 16:20:08,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334799730] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:08,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:08,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:08,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155583271] [2022-01-31 16:20:08,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:08,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:08,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:08,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:08,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:08,083 INFO L87 Difference]: Start difference. First operand 1373 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:09,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:20:11,350 WARN L534 Checker$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 16:20:13,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:20:15,398 WARN L534 Checker$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 16:20:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:15,737 INFO L93 Difference]: Finished difference Result 1700 states and 2379 transitions. [2022-01-31 16:20:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:15,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 199 [2022-01-31 16:20:15,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:15,740 INFO L225 Difference]: With dead ends: 1700 [2022-01-31 16:20:15,740 INFO L226 Difference]: Without dead ends: 1700 [2022-01-31 16:20:15,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 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 16:20:15,740 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 103 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:15,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 298 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 392 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2022-01-31 16:20:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-01-31 16:20:15,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1248. [2022-01-31 16:20:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1243 states have (on average 1.411906677393403) internal successors, (1755), 1243 states have internal predecessors, (1755), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1759 transitions. [2022-01-31 16:20:15,751 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1759 transitions. Word has length 199 [2022-01-31 16:20:15,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:15,752 INFO L470 AbstractCegarLoop]: Abstraction has 1248 states and 1759 transitions. [2022-01-31 16:20:15,752 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 16:20:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1759 transitions. [2022-01-31 16:20:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-01-31 16:20:15,753 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:15,753 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:15,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-31 16:20:15,754 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:15,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2060364558, now seen corresponding path program 1 times [2022-01-31 16:20:15,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:15,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050154104] [2022-01-31 16:20:15,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:15,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:20:15,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:15,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050154104] [2022-01-31 16:20:15,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050154104] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:15,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:15,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:15,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476509546] [2022-01-31 16:20:15,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:15,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:15,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:15,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:15,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:15,984 INFO L87 Difference]: Start difference. First operand 1248 states and 1759 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:17,992 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 16:20:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:18,344 INFO L93 Difference]: Finished difference Result 1705 states and 2379 transitions. [2022-01-31 16:20:18,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:18,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 204 [2022-01-31 16:20:18,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:18,347 INFO L225 Difference]: With dead ends: 1705 [2022-01-31 16:20:18,347 INFO L226 Difference]: Without dead ends: 1705 [2022-01-31 16:20:18,347 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 16:20:18,348 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 91 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:18,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 298 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:18,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-01-31 16:20:18,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1438. [2022-01-31 16:20:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1433 states have (on average 1.4235868806699232) internal successors, (2040), 1433 states have internal predecessors, (2040), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2044 transitions. [2022-01-31 16:20:18,376 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2044 transitions. Word has length 204 [2022-01-31 16:20:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:18,377 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2044 transitions. [2022-01-31 16:20:18,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2044 transitions. [2022-01-31 16:20:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-01-31 16:20:18,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:18,379 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:18,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-31 16:20:18,379 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:18,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:18,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1581459249, now seen corresponding path program 1 times [2022-01-31 16:20:18,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:18,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314886426] [2022-01-31 16:20:18,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:18,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:20:18,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:18,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314886426] [2022-01-31 16:20:18,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314886426] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:18,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:18,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:18,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706560355] [2022-01-31 16:20:18,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:18,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:18,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:18,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:18,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:18,572 INFO L87 Difference]: Start difference. First operand 1438 states and 2044 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:20,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:20:22,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:20:24,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 16:20:26,103 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 16:20:26,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:26,488 INFO L93 Difference]: Finished difference Result 1760 states and 2484 transitions. [2022-01-31 16:20:26,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:26,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 204 [2022-01-31 16:20:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:26,490 INFO L225 Difference]: With dead ends: 1760 [2022-01-31 16:20:26,490 INFO L226 Difference]: Without dead ends: 1760 [2022-01-31 16:20:26,490 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 16:20:26,491 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 89 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:26,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 298 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 392 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-01-31 16:20:26,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2022-01-31 16:20:26,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1503. [2022-01-31 16:20:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1498 states have (on average 1.445260347129506) internal successors, (2165), 1498 states have internal predecessors, (2165), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2169 transitions. [2022-01-31 16:20:26,502 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2169 transitions. Word has length 204 [2022-01-31 16:20:26,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:26,502 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 2169 transitions. [2022-01-31 16:20:26,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2169 transitions. [2022-01-31 16:20:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-01-31 16:20:26,504 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:26,504 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:26,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-31 16:20:26,505 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:26,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:26,505 INFO L85 PathProgramCache]: Analyzing trace with hash 808331708, now seen corresponding path program 1 times [2022-01-31 16:20:26,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:26,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820381011] [2022-01-31 16:20:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:26,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-01-31 16:20:26,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:26,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820381011] [2022-01-31 16:20:26,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820381011] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:26,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:26,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:26,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923760625] [2022-01-31 16:20:26,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:26,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:26,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:26,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:26,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:26,682 INFO L87 Difference]: Start difference. First operand 1503 states and 2169 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:28,690 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 16:20:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:28,992 INFO L93 Difference]: Finished difference Result 1680 states and 2408 transitions. [2022-01-31 16:20:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:28,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 205 [2022-01-31 16:20:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:28,995 INFO L225 Difference]: With dead ends: 1680 [2022-01-31 16:20:28,995 INFO L226 Difference]: Without dead ends: 1680 [2022-01-31 16:20:28,995 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 16:20:28,995 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 34 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:28,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 502 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 411 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:28,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2022-01-31 16:20:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1598. [2022-01-31 16:20:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1593 states have (on average 1.4469554300062775) internal successors, (2305), 1593 states have internal predecessors, (2305), 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 16:20:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2309 transitions. [2022-01-31 16:20:29,007 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2309 transitions. Word has length 205 [2022-01-31 16:20:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:29,007 INFO L470 AbstractCegarLoop]: Abstraction has 1598 states and 2309 transitions. [2022-01-31 16:20:29,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2309 transitions. [2022-01-31 16:20:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-01-31 16:20:29,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:29,009 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:29,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-31 16:20:29,009 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:29,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:29,009 INFO L85 PathProgramCache]: Analyzing trace with hash 432821487, now seen corresponding path program 1 times [2022-01-31 16:20:29,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:29,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741818429] [2022-01-31 16:20:29,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:29,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-01-31 16:20:29,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:29,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741818429] [2022-01-31 16:20:29,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741818429] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:20:29,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:20:29,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:20:29,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308894501] [2022-01-31 16:20:29,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:20:29,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:20:29,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:20:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:20:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:20:29,210 INFO L87 Difference]: Start difference. First operand 1598 states and 2309 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 16:20:31,218 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 16:20:31,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:20:31,570 INFO L93 Difference]: Finished difference Result 1855 states and 2600 transitions. [2022-01-31 16:20:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:20:31,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 207 [2022-01-31 16:20:31,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:20:31,574 INFO L225 Difference]: With dead ends: 1855 [2022-01-31 16:20:31,574 INFO L226 Difference]: Without dead ends: 1855 [2022-01-31 16:20:31,574 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 16:20:31,574 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 105 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:20:31,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 308 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:20:31,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-01-31 16:20:31,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1598. [2022-01-31 16:20:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1593 states have (on average 1.4318895166352794) internal successors, (2281), 1593 states have internal predecessors, (2281), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:20:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2285 transitions. [2022-01-31 16:20:31,592 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2285 transitions. Word has length 207 [2022-01-31 16:20:31,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:20:31,593 INFO L470 AbstractCegarLoop]: Abstraction has 1598 states and 2285 transitions. [2022-01-31 16:20:31,593 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 16:20:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2285 transitions. [2022-01-31 16:20:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-01-31 16:20:31,595 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:20:31,595 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:20:31,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-31 16:20:31,595 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:20:31,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:20:31,595 INFO L85 PathProgramCache]: Analyzing trace with hash 831559952, now seen corresponding path program 1 times [2022-01-31 16:20:31,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:20:31,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528301601] [2022-01-31 16:20:31,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:31,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:20:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:20:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 2 proven. 282 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-01-31 16:20:34,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:20:34,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528301601] [2022-01-31 16:20:34,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528301601] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:20:34,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833328906] [2022-01-31 16:20:34,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:20:34,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:20:34,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:20:34,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 16:20:34,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-31 16:20:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:20:36,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 302 conjunts are in the unsatisfiable core [2022-01-31 16:20:36,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:20:36,776 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 24274 treesize of output 14574 [2022-01-31 16:20:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 16:20:36,826 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5614 treesize of output 5581 [2022-01-31 16:20:36,838 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7322 treesize of output 6738 [2022-01-31 16:20:36,851 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7194 treesize of output 6970 [2022-01-31 16:20:49,103 INFO L244 Elim1Store]: Index analysis took 2118 ms