/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_srvr.blast.01.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 08:40:37,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 08:40:37,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 08:40:37,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 08:40:37,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 08:40:37,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 08:40:37,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 08:40:37,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 08:40:37,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 08:40:37,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 08:40:37,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 08:40:37,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 08:40:37,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 08:40:37,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 08:40:37,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 08:40:37,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 08:40:37,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 08:40:37,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 08:40:37,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 08:40:37,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 08:40:37,100 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 08:40:37,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 08:40:37,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 08:40:37,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 08:40:37,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 08:40:37,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 08:40:37,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 08:40:37,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 08:40:37,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 08:40:37,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 08:40:37,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-06 08:40:37,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-06 08:40:37,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-06 08:40:37,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-06 08:40:37,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-06 08:40:37,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-06 08:40:37,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-06 08:40:37,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-06 08:40:37,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-06 08:40:37,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 08:40:37,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 08:40:37,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 08:40:37,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 08:40:37,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 08:40:37,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 08:40:37,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 08:40:37,127 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 08:40:37,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 08:40:37,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 08:40:37,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 08:40:37,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 08:40:37,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 08:40:37,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 08:40:37,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 08:40:37,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:40:37,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 08:40:37,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 08:40:37,130 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 08:40:37,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 08:40:37,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 08:40:37,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 08:40:37,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 08:40:37,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 08:40:37,346 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 08:40:37,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c [2022-04-06 08:40:37,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3404685/cd9e53c91a224591ac6f462adbace63d/FLAGd028c507d [2022-04-06 08:40:37,903 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 08:40:37,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c [2022-04-06 08:40:37,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3404685/cd9e53c91a224591ac6f462adbace63d/FLAGd028c507d [2022-04-06 08:40:38,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3404685/cd9e53c91a224591ac6f462adbace63d [2022-04-06 08:40:38,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 08:40:38,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 08:40:38,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 08:40:38,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 08:40:38,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 08:40:38,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7233a779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38, skipping insertion in model container [2022-04-06 08:40:38,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 08:40:38,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 08:40:38,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-04-06 08:40:38,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:40:38,715 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 08:40:38,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-04-06 08:40:38,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:40:38,808 INFO L208 MainTranslator]: Completed translation [2022-04-06 08:40:38,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38 WrapperNode [2022-04-06 08:40:38,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 08:40:38,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 08:40:38,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 08:40:38,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 08:40:38,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 08:40:38,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 08:40:38,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 08:40:38,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 08:40:38,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (1/1) ... [2022-04-06 08:40:38,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:40:38,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:40:38,940 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) [2022-04-06 08:40:38,957 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 [2022-04-06 08:40:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 08:40:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 08:40:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 08:40:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-04-06 08:40:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-04-06 08:40:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 08:40:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-06 08:40:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-06 08:40:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-06 08:40:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-06 08:40:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 08:40:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 08:40:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 08:40:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 08:40:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-06 08:40:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-06 08:40:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 08:40:39,134 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 08:40:39,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 08:40:41,438 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:40:41,909 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-04-06 08:40:41,909 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-04-06 08:40:41,920 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 08:40:41,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 08:40:41,926 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 08:40:41,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:40:41 BoogieIcfgContainer [2022-04-06 08:40:41,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 08:40:41,928 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 08:40:41,928 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 08:40:41,929 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 08:40:41,931 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:40:41" (1/1) ... [2022-04-06 08:40:41,933 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 08:40:41,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:40:41 BasicIcfg [2022-04-06 08:40:41,973 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 08:40:41,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 08:40:41,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 08:40:41,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 08:40:41,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:40:38" (1/4) ... [2022-04-06 08:40:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126997f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:40:41, skipping insertion in model container [2022-04-06 08:40:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:40:38" (2/4) ... [2022-04-06 08:40:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126997f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:40:41, skipping insertion in model container [2022-04-06 08:40:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:40:41" (3/4) ... [2022-04-06 08:40:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126997f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:40:41, skipping insertion in model container [2022-04-06 08:40:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:40:41" (4/4) ... [2022-04-06 08:40:41,978 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.cJordan [2022-04-06 08:40:41,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 08:40:41,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 08:40:42,022 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 08:40:42,028 INFO L340 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 [2022-04-06 08:40:42,028 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 08:40:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 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) [2022-04-06 08:40:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-06 08:40:42,060 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:40:42,061 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:40:42,062 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:40:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:40:42,066 INFO L85 PathProgramCache]: Analyzing trace with hash -546615762, now seen corresponding path program 1 times [2022-04-06 08:40:42,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:40:42,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794433927] [2022-04-06 08:40:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:40:42,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:40:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:40:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:40:42,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:40:42,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794433927] [2022-04-06 08:40:42,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794433927] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:40:42,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:40:42,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:40:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866085243] [2022-04-06 08:40:42,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:40:42,553 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:40:42,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:40:42,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:40:42,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:40:42,579 INFO L87 Difference]: Start difference. First operand has 155 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 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 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:44,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:40:46,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:40:48,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:40:50,164 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 [] [2022-04-06 08:40:50,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:40:50,853 INFO L93 Difference]: Finished difference Result 281 states and 462 transitions. [2022-04-06 08:40:50,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:40:50,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 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 52 [2022-04-06 08:40:50,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:40:50,862 INFO L225 Difference]: With dead ends: 281 [2022-04-06 08:40:50,863 INFO L226 Difference]: Without dead ends: 255 [2022-04-06 08:40:50,863 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:40:50,865 INFO L913 BasicCegarLoop]: 149 mSDtfsCounter, 142 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 65 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:40:50,866 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 439 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 522 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-04-06 08:40:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-04-06 08:40:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 182. [2022-04-06 08:40:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.6045197740112995) internal successors, (284), 177 states have internal predecessors, (284), 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) [2022-04-06 08:40:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 288 transitions. [2022-04-06 08:40:50,897 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 288 transitions. Word has length 52 [2022-04-06 08:40:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:40:50,897 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 288 transitions. [2022-04-06 08:40:50,898 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2022-04-06 08:40:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-04-06 08:40:50,899 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:40:50,899 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:40:50,899 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 08:40:50,900 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:40:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:40:50,900 INFO L85 PathProgramCache]: Analyzing trace with hash 235729787, now seen corresponding path program 1 times [2022-04-06 08:40:50,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:40:50,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862878398] [2022-04-06 08:40:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:40:50,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:40:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:40:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:40:51,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:40:51,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862878398] [2022-04-06 08:40:51,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862878398] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:40:51,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:40:51,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:40:51,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524351686] [2022-04-06 08:40:51,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:40:51,009 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:40:51,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:40:51,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:40:51,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:40:51,009 INFO L87 Difference]: Start difference. First operand 182 states and 288 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:53,031 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 [] [2022-04-06 08:40:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:40:53,390 INFO L93 Difference]: Finished difference Result 210 states and 328 transitions. [2022-04-06 08:40:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:40:53,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (3), 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 53 [2022-04-06 08:40:53,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:40:53,392 INFO L225 Difference]: With dead ends: 210 [2022-04-06 08:40:53,392 INFO L226 Difference]: Without dead ends: 210 [2022-04-06 08:40:53,393 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:40:53,393 INFO L913 BasicCegarLoop]: 179 mSDtfsCounter, 22 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:40:53,394 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 460 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 355 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:40:53,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-04-06 08:40:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 193. [2022-04-06 08:40:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.6117021276595744) internal successors, (303), 188 states have internal predecessors, (303), 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) [2022-04-06 08:40:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 307 transitions. [2022-04-06 08:40:53,402 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 307 transitions. Word has length 53 [2022-04-06 08:40:53,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:40:53,402 INFO L478 AbstractCegarLoop]: Abstraction has 193 states and 307 transitions. [2022-04-06 08:40:53,402 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 307 transitions. [2022-04-06 08:40:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 08:40:53,404 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:40:53,404 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-06 08:40:53,404 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 08:40:53,404 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:40:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:40:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1009606034, now seen corresponding path program 1 times [2022-04-06 08:40:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:40:53,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057341914] [2022-04-06 08:40:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:40:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:40:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:40:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:40:53,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:40:53,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057341914] [2022-04-06 08:40:53,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057341914] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:40:53,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:40:53,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:40:53,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707360413] [2022-04-06 08:40:53,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:40:53,601 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:40:53,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:40:53,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:40:53,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:40:53,602 INFO L87 Difference]: Start difference. First operand 193 states and 307 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:55,611 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 [] [2022-04-06 08:40:55,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:40:55,976 INFO L93 Difference]: Finished difference Result 210 states and 327 transitions. [2022-04-06 08:40:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:40:55,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-06 08:40:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:40:55,977 INFO L225 Difference]: With dead ends: 210 [2022-04-06 08:40:55,978 INFO L226 Difference]: Without dead ends: 210 [2022-04-06 08:40:55,978 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:40:55,979 INFO L913 BasicCegarLoop]: 180 mSDtfsCounter, 24 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:40:55,979 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 462 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:40:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-04-06 08:40:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 193. [2022-04-06 08:40:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.6063829787234043) internal successors, (302), 188 states have internal predecessors, (302), 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) [2022-04-06 08:40:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 306 transitions. [2022-04-06 08:40:55,986 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 306 transitions. Word has length 66 [2022-04-06 08:40:55,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:40:55,987 INFO L478 AbstractCegarLoop]: Abstraction has 193 states and 306 transitions. [2022-04-06 08:40:55,987 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 306 transitions. [2022-04-06 08:40:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 08:40:55,992 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:40:55,992 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-06 08:40:55,992 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 08:40:55,992 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:40:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:40:55,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1483880639, now seen corresponding path program 1 times [2022-04-06 08:40:55,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:40:55,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575479780] [2022-04-06 08:40:55,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:40:55,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:40:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:40:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:40:56,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:40:56,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575479780] [2022-04-06 08:40:56,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575479780] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:40:56,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:40:56,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:40:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100192555] [2022-04-06 08:40:56,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:40:56,127 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:40:56,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:40:56,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:40:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:40:56,128 INFO L87 Difference]: Start difference. First operand 193 states and 306 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:58,135 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 [] [2022-04-06 08:40:58,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:40:58,471 INFO L93 Difference]: Finished difference Result 208 states and 324 transitions. [2022-04-06 08:40:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:40:58,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-06 08:40:58,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:40:58,472 INFO L225 Difference]: With dead ends: 208 [2022-04-06 08:40:58,472 INFO L226 Difference]: Without dead ends: 208 [2022-04-06 08:40:58,472 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:40:58,473 INFO L913 BasicCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:40:58,473 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 466 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 349 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:40:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-04-06 08:40:58,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 193. [2022-04-06 08:40:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.601063829787234) internal successors, (301), 188 states have internal predecessors, (301), 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) [2022-04-06 08:40:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 305 transitions. [2022-04-06 08:40:58,479 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 305 transitions. Word has length 67 [2022-04-06 08:40:58,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:40:58,479 INFO L478 AbstractCegarLoop]: Abstraction has 193 states and 305 transitions. [2022-04-06 08:40:58,479 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:40:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 305 transitions. [2022-04-06 08:40:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 08:40:58,480 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:40:58,481 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-06 08:40:58,481 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 08:40:58,481 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:40:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:40:58,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1189450432, now seen corresponding path program 1 times [2022-04-06 08:40:58,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:40:58,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366363719] [2022-04-06 08:40:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:40:58,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:40:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:40:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:40:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:40:58,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:40:58,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366363719] [2022-04-06 08:40:58,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366363719] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:40:58,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:40:58,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:40:58,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964239585] [2022-04-06 08:40:58,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:40:58,613 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:40:58,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:40:58,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:40:58,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:40:58,614 INFO L87 Difference]: Start difference. First operand 193 states and 305 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:00,635 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 [] [2022-04-06 08:41:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:00,973 INFO L93 Difference]: Finished difference Result 207 states and 322 transitions. [2022-04-06 08:41:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:00,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-06 08:41:00,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:00,975 INFO L225 Difference]: With dead ends: 207 [2022-04-06 08:41:00,975 INFO L226 Difference]: Without dead ends: 207 [2022-04-06 08:41:00,975 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:00,976 INFO L913 BasicCegarLoop]: 183 mSDtfsCounter, 20 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:00,976 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 468 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 347 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:00,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-06 08:41:00,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 193. [2022-04-06 08:41:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.5957446808510638) internal successors, (300), 188 states have internal predecessors, (300), 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) [2022-04-06 08:41:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 304 transitions. [2022-04-06 08:41:00,981 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 304 transitions. Word has length 67 [2022-04-06 08:41:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:00,982 INFO L478 AbstractCegarLoop]: Abstraction has 193 states and 304 transitions. [2022-04-06 08:41:00,982 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 304 transitions. [2022-04-06 08:41:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-06 08:41:00,983 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:00,983 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:00,983 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 08:41:00,983 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:00,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1168461526, now seen corresponding path program 1 times [2022-04-06 08:41:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:00,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461215568] [2022-04-06 08:41:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:01,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:01,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461215568] [2022-04-06 08:41:01,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461215568] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:01,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:01,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:01,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422880491] [2022-04-06 08:41:01,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:01,127 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:01,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:01,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:01,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:01,129 INFO L87 Difference]: Start difference. First operand 193 states and 304 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:03,139 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 [] [2022-04-06 08:41:03,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:03,453 INFO L93 Difference]: Finished difference Result 206 states and 320 transitions. [2022-04-06 08:41:03,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:03,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 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 68 [2022-04-06 08:41:03,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:03,456 INFO L225 Difference]: With dead ends: 206 [2022-04-06 08:41:03,456 INFO L226 Difference]: Without dead ends: 206 [2022-04-06 08:41:03,457 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:03,458 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 26 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:03,458 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 470 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-04-06 08:41:03,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 193. [2022-04-06 08:41:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.5904255319148937) internal successors, (299), 188 states have internal predecessors, (299), 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) [2022-04-06 08:41:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 303 transitions. [2022-04-06 08:41:03,469 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 303 transitions. Word has length 68 [2022-04-06 08:41:03,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:03,469 INFO L478 AbstractCegarLoop]: Abstraction has 193 states and 303 transitions. [2022-04-06 08:41:03,469 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:03,470 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 303 transitions. [2022-04-06 08:41:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-06 08:41:03,470 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:03,470 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:03,471 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 08:41:03,471 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:03,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:03,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1224145162, now seen corresponding path program 1 times [2022-04-06 08:41:03,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:03,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154540251] [2022-04-06 08:41:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:03,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:03,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:03,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154540251] [2022-04-06 08:41:03,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154540251] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:03,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:03,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:03,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159865413] [2022-04-06 08:41:03,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:03,562 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:03,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:03,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:03,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:03,562 INFO L87 Difference]: Start difference. First operand 193 states and 303 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:05,570 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 [] [2022-04-06 08:41:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:06,096 INFO L93 Difference]: Finished difference Result 309 states and 479 transitions. [2022-04-06 08:41:06,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:06,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 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 68 [2022-04-06 08:41:06,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:06,098 INFO L225 Difference]: With dead ends: 309 [2022-04-06 08:41:06,098 INFO L226 Difference]: Without dead ends: 309 [2022-04-06 08:41:06,098 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:06,099 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 144 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:06,099 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 323 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 08:41:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-04-06 08:41:06,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 205. [2022-04-06 08:41:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 200 states have (on average 1.575) internal successors, (315), 200 states have internal predecessors, (315), 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) [2022-04-06 08:41:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 319 transitions. [2022-04-06 08:41:06,104 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 319 transitions. Word has length 68 [2022-04-06 08:41:06,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:06,104 INFO L478 AbstractCegarLoop]: Abstraction has 205 states and 319 transitions. [2022-04-06 08:41:06,104 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 319 transitions. [2022-04-06 08:41:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-06 08:41:06,105 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:06,105 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:06,105 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 08:41:06,105 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash -735767643, now seen corresponding path program 1 times [2022-04-06 08:41:06,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:06,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788614624] [2022-04-06 08:41:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:06,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:06,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788614624] [2022-04-06 08:41:06,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788614624] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:06,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:06,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966637676] [2022-04-06 08:41:06,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:06,200 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:06,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:06,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:06,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:06,201 INFO L87 Difference]: Start difference. First operand 205 states and 319 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:07,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:41:09,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:41:11,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:41:14,005 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 [] [2022-04-06 08:41:14,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:14,478 INFO L93 Difference]: Finished difference Result 309 states and 476 transitions. [2022-04-06 08:41:14,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:14,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 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 69 [2022-04-06 08:41:14,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:14,480 INFO L225 Difference]: With dead ends: 309 [2022-04-06 08:41:14,480 INFO L226 Difference]: Without dead ends: 309 [2022-04-06 08:41:14,480 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:14,480 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 142 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 64 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:14,480 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 323 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 468 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-04-06 08:41:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-04-06 08:41:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 206. [2022-04-06 08:41:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.5621890547263682) internal successors, (314), 201 states have internal predecessors, (314), 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) [2022-04-06 08:41:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 318 transitions. [2022-04-06 08:41:14,485 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 318 transitions. Word has length 69 [2022-04-06 08:41:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:14,485 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 318 transitions. [2022-04-06 08:41:14,485 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 318 transitions. [2022-04-06 08:41:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-06 08:41:14,486 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:14,486 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:14,486 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 08:41:14,486 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:14,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:14,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1756828634, now seen corresponding path program 1 times [2022-04-06 08:41:14,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:14,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456641847] [2022-04-06 08:41:14,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:14,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:14,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456641847] [2022-04-06 08:41:14,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456641847] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:14,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:14,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:14,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491389965] [2022-04-06 08:41:14,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:14,574 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:14,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:14,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:14,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:14,575 INFO L87 Difference]: Start difference. First operand 206 states and 318 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:16,583 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 [] [2022-04-06 08:41:16,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:16,913 INFO L93 Difference]: Finished difference Result 219 states and 334 transitions. [2022-04-06 08:41:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:16,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-04-06 08:41:16,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:16,915 INFO L225 Difference]: With dead ends: 219 [2022-04-06 08:41:16,915 INFO L226 Difference]: Without dead ends: 219 [2022-04-06 08:41:16,915 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:16,915 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 20 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:16,916 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 470 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-04-06 08:41:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 206. [2022-04-06 08:41:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.5572139303482586) internal successors, (313), 201 states have internal predecessors, (313), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 317 transitions. [2022-04-06 08:41:16,919 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 317 transitions. Word has length 70 [2022-04-06 08:41:16,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:16,934 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 317 transitions. [2022-04-06 08:41:16,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2022-04-06 08:41:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-06 08:41:16,935 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:16,935 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:16,935 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 08:41:16,935 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash 213226400, now seen corresponding path program 1 times [2022-04-06 08:41:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:16,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337938463] [2022-04-06 08:41:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:17,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:17,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337938463] [2022-04-06 08:41:17,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337938463] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:17,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:17,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:17,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245463566] [2022-04-06 08:41:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:17,032 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:17,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:17,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:17,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:17,038 INFO L87 Difference]: Start difference. First operand 206 states and 317 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:19,051 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 [] [2022-04-06 08:41:19,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:19,429 INFO L93 Difference]: Finished difference Result 249 states and 380 transitions. [2022-04-06 08:41:19,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:19,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-04-06 08:41:19,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:19,430 INFO L225 Difference]: With dead ends: 249 [2022-04-06 08:41:19,430 INFO L226 Difference]: Without dead ends: 249 [2022-04-06 08:41:19,431 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:19,431 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 32 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:19,431 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 510 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-04-06 08:41:19,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 228. [2022-04-06 08:41:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 223 states have internal predecessors, (349), 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) [2022-04-06 08:41:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 353 transitions. [2022-04-06 08:41:19,436 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 353 transitions. Word has length 70 [2022-04-06 08:41:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:19,436 INFO L478 AbstractCegarLoop]: Abstraction has 228 states and 353 transitions. [2022-04-06 08:41:19,436 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 353 transitions. [2022-04-06 08:41:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-04-06 08:41:19,436 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:19,437 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:19,437 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 08:41:19,437 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:19,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:19,437 INFO L85 PathProgramCache]: Analyzing trace with hash 822506376, now seen corresponding path program 1 times [2022-04-06 08:41:19,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:19,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683078970] [2022-04-06 08:41:19,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:19,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:19,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683078970] [2022-04-06 08:41:19,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683078970] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:19,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:19,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:19,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423572667] [2022-04-06 08:41:19,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:19,519 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:19,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:19,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:19,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:19,520 INFO L87 Difference]: Start difference. First operand 228 states and 353 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:21,539 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 [] [2022-04-06 08:41:21,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:21,982 INFO L93 Difference]: Finished difference Result 331 states and 507 transitions. [2022-04-06 08:41:21,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:21,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2022-04-06 08:41:21,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:21,984 INFO L225 Difference]: With dead ends: 331 [2022-04-06 08:41:21,984 INFO L226 Difference]: Without dead ends: 331 [2022-04-06 08:41:21,984 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:21,984 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 139 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:21,985 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 323 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-04-06 08:41:21,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 230. [2022-04-06 08:41:21,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.551111111111111) internal successors, (349), 225 states have internal predecessors, (349), 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) [2022-04-06 08:41:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 353 transitions. [2022-04-06 08:41:21,989 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 353 transitions. Word has length 71 [2022-04-06 08:41:21,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:21,989 INFO L478 AbstractCegarLoop]: Abstraction has 230 states and 353 transitions. [2022-04-06 08:41:21,989 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 353 transitions. [2022-04-06 08:41:21,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-04-06 08:41:21,990 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:21,990 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:21,990 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 08:41:21,990 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:21,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:21,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1852382835, now seen corresponding path program 1 times [2022-04-06 08:41:21,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:21,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240345136] [2022-04-06 08:41:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:21,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:22,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:22,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240345136] [2022-04-06 08:41:22,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240345136] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:22,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:22,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:22,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765778138] [2022-04-06 08:41:22,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:22,103 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:22,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:22,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:22,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:22,103 INFO L87 Difference]: Start difference. First operand 230 states and 353 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:24,110 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 [] [2022-04-06 08:41:24,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:24,518 INFO L93 Difference]: Finished difference Result 374 states and 581 transitions. [2022-04-06 08:41:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:24,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-04-06 08:41:24,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:24,519 INFO L225 Difference]: With dead ends: 374 [2022-04-06 08:41:24,520 INFO L226 Difference]: Without dead ends: 374 [2022-04-06 08:41:24,520 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:24,520 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 138 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:24,520 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 323 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:24,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-04-06 08:41:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 247. [2022-04-06 08:41:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.537190082644628) internal successors, (372), 242 states have internal predecessors, (372), 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) [2022-04-06 08:41:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 376 transitions. [2022-04-06 08:41:24,525 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 376 transitions. Word has length 83 [2022-04-06 08:41:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:24,525 INFO L478 AbstractCegarLoop]: Abstraction has 247 states and 376 transitions. [2022-04-06 08:41:24,525 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 376 transitions. [2022-04-06 08:41:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-06 08:41:24,526 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:24,526 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:24,526 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 08:41:24,526 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:24,526 INFO L85 PathProgramCache]: Analyzing trace with hash -11222362, now seen corresponding path program 1 times [2022-04-06 08:41:24,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:24,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754865277] [2022-04-06 08:41:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:24,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:24,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754865277] [2022-04-06 08:41:24,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754865277] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:24,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:24,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:24,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618617373] [2022-04-06 08:41:24,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:24,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:24,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:24,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:24,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:24,616 INFO L87 Difference]: Start difference. First operand 247 states and 376 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:26,623 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 [] [2022-04-06 08:41:27,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:27,077 INFO L93 Difference]: Finished difference Result 347 states and 525 transitions. [2022-04-06 08:41:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-04-06 08:41:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:27,079 INFO L225 Difference]: With dead ends: 347 [2022-04-06 08:41:27,079 INFO L226 Difference]: Without dead ends: 347 [2022-04-06 08:41:27,079 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:27,079 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 137 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:27,080 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 323 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2022-04-06 08:41:27,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 248. [2022-04-06 08:41:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.5267489711934157) internal successors, (371), 243 states have internal predecessors, (371), 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) [2022-04-06 08:41:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 375 transitions. [2022-04-06 08:41:27,110 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 375 transitions. Word has length 84 [2022-04-06 08:41:27,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:27,110 INFO L478 AbstractCegarLoop]: Abstraction has 248 states and 375 transitions. [2022-04-06 08:41:27,110 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 375 transitions. [2022-04-06 08:41:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-06 08:41:27,111 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:27,111 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:27,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 08:41:27,111 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:27,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:27,112 INFO L85 PathProgramCache]: Analyzing trace with hash 283207845, now seen corresponding path program 1 times [2022-04-06 08:41:27,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:27,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596423025] [2022-04-06 08:41:27,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:27,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:27,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596423025] [2022-04-06 08:41:27,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596423025] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:27,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:27,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529595493] [2022-04-06 08:41:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:27,201 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:27,202 INFO L87 Difference]: Start difference. First operand 248 states and 375 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:29,215 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 [] [2022-04-06 08:41:29,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:29,574 INFO L93 Difference]: Finished difference Result 266 states and 398 transitions. [2022-04-06 08:41:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:29,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-04-06 08:41:29,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:29,575 INFO L225 Difference]: With dead ends: 266 [2022-04-06 08:41:29,575 INFO L226 Difference]: Without dead ends: 266 [2022-04-06 08:41:29,575 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:29,576 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 32 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:29,576 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 488 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 380 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:29,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-06 08:41:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 248. [2022-04-06 08:41:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.522633744855967) internal successors, (370), 243 states have internal predecessors, (370), 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) [2022-04-06 08:41:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 374 transitions. [2022-04-06 08:41:29,580 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 374 transitions. Word has length 84 [2022-04-06 08:41:29,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:29,580 INFO L478 AbstractCegarLoop]: Abstraction has 248 states and 374 transitions. [2022-04-06 08:41:29,580 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 374 transitions. [2022-04-06 08:41:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 08:41:29,581 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:29,581 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:29,581 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 08:41:29,581 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:29,582 INFO L85 PathProgramCache]: Analyzing trace with hash -423772143, now seen corresponding path program 1 times [2022-04-06 08:41:29,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:29,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471073542] [2022-04-06 08:41:29,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:29,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:41:29,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:29,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471073542] [2022-04-06 08:41:29,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471073542] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:29,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:29,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:29,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839851124] [2022-04-06 08:41:29,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:29,673 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:29,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:29,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:29,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:29,674 INFO L87 Difference]: Start difference. First operand 248 states and 374 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:31,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:41:32,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:32,034 INFO L93 Difference]: Finished difference Result 261 states and 389 transitions. [2022-04-06 08:41:32,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:32,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2022-04-06 08:41:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:32,036 INFO L225 Difference]: With dead ends: 261 [2022-04-06 08:41:32,036 INFO L226 Difference]: Without dead ends: 261 [2022-04-06 08:41:32,036 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:32,036 INFO L913 BasicCegarLoop]: 220 mSDtfsCounter, 19 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:32,037 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 547 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-04-06 08:41:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 248. [2022-04-06 08:41:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.5185185185185186) internal successors, (369), 243 states have internal predecessors, (369), 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) [2022-04-06 08:41:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 373 transitions. [2022-04-06 08:41:32,040 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 373 transitions. Word has length 85 [2022-04-06 08:41:32,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:32,040 INFO L478 AbstractCegarLoop]: Abstraction has 248 states and 373 transitions. [2022-04-06 08:41:32,041 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 373 transitions. [2022-04-06 08:41:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-04-06 08:41:32,041 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:32,041 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:32,041 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 08:41:32,041 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:32,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:32,042 INFO L85 PathProgramCache]: Analyzing trace with hash -975947891, now seen corresponding path program 1 times [2022-04-06 08:41:32,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:32,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127644294] [2022-04-06 08:41:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-06 08:41:32,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:32,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127644294] [2022-04-06 08:41:32,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127644294] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:32,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:32,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:41:32,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924285999] [2022-04-06 08:41:32,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:32,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:41:32,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:32,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:41:32,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:32,162 INFO L87 Difference]: Start difference. First operand 248 states and 373 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:34,169 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 [] [2022-04-06 08:41:34,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:34,508 INFO L93 Difference]: Finished difference Result 257 states and 384 transitions. [2022-04-06 08:41:34,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:41:34,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 86 [2022-04-06 08:41:34,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:34,509 INFO L225 Difference]: With dead ends: 257 [2022-04-06 08:41:34,509 INFO L226 Difference]: Without dead ends: 257 [2022-04-06 08:41:34,509 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 08:41:34,510 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 2 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:34,510 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 605 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 424 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:34,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-04-06 08:41:34,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-04-06 08:41:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.507936507936508) internal successors, (380), 252 states have internal predecessors, (380), 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) [2022-04-06 08:41:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 384 transitions. [2022-04-06 08:41:34,514 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 384 transitions. Word has length 86 [2022-04-06 08:41:34,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:34,515 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 384 transitions. [2022-04-06 08:41:34,515 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 384 transitions. [2022-04-06 08:41:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-04-06 08:41:34,516 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:34,516 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:34,516 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 08:41:34,516 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:34,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:34,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1583750601, now seen corresponding path program 1 times [2022-04-06 08:41:34,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:34,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884250664] [2022-04-06 08:41:34,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:34,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:41:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:34,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884250664] [2022-04-06 08:41:34,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884250664] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:34,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:34,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:34,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853051126] [2022-04-06 08:41:34,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:34,620 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:34,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:34,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:34,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:34,620 INFO L87 Difference]: Start difference. First operand 257 states and 384 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:36,629 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 [] [2022-04-06 08:41:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:36,948 INFO L93 Difference]: Finished difference Result 274 states and 405 transitions. [2022-04-06 08:41:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:36,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 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 88 [2022-04-06 08:41:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:36,950 INFO L225 Difference]: With dead ends: 274 [2022-04-06 08:41:36,950 INFO L226 Difference]: Without dead ends: 274 [2022-04-06 08:41:36,950 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:36,950 INFO L913 BasicCegarLoop]: 192 mSDtfsCounter, 34 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:36,951 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 490 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 378 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:36,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-04-06 08:41:36,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 257. [2022-04-06 08:41:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.503968253968254) internal successors, (379), 252 states have internal predecessors, (379), 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) [2022-04-06 08:41:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 383 transitions. [2022-04-06 08:41:36,954 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 383 transitions. Word has length 88 [2022-04-06 08:41:36,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:36,954 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 383 transitions. [2022-04-06 08:41:36,955 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 383 transitions. [2022-04-06 08:41:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-04-06 08:41:36,955 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:36,956 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:36,956 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 08:41:36,956 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1434817728, now seen corresponding path program 1 times [2022-04-06 08:41:36,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:36,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392410150] [2022-04-06 08:41:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:36,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:41:37,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:37,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392410150] [2022-04-06 08:41:37,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392410150] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:37,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:37,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:37,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853803656] [2022-04-06 08:41:37,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:37,072 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:37,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:37,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:37,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:37,072 INFO L87 Difference]: Start difference. First operand 257 states and 383 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:39,088 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 [] [2022-04-06 08:41:39,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:39,539 INFO L93 Difference]: Finished difference Result 365 states and 543 transitions. [2022-04-06 08:41:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:39,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 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 92 [2022-04-06 08:41:39,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:39,541 INFO L225 Difference]: With dead ends: 365 [2022-04-06 08:41:39,541 INFO L226 Difference]: Without dead ends: 363 [2022-04-06 08:41:39,541 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:39,541 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 110 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:39,541 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 337 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:39,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-04-06 08:41:39,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2022-04-06 08:41:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.5451263537906137) internal successors, (428), 277 states have internal predecessors, (428), 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) [2022-04-06 08:41:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2022-04-06 08:41:39,545 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 92 [2022-04-06 08:41:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:39,546 INFO L478 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2022-04-06 08:41:39,546 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2022-04-06 08:41:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-04-06 08:41:39,546 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:39,547 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:39,547 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 08:41:39,547 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:39,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:39,547 INFO L85 PathProgramCache]: Analyzing trace with hash -162237622, now seen corresponding path program 1 times [2022-04-06 08:41:39,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:39,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351312277] [2022-04-06 08:41:39,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:39,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:41:39,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:39,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351312277] [2022-04-06 08:41:39,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351312277] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:39,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:39,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:39,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593113211] [2022-04-06 08:41:39,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:39,669 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:39,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:39,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:39,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:39,670 INFO L87 Difference]: Start difference. First operand 282 states and 432 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) [2022-04-06 08:41:41,678 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 [] [2022-04-06 08:41:42,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:42,120 INFO L93 Difference]: Finished difference Result 383 states and 581 transitions. [2022-04-06 08:41:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:42,120 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 121 [2022-04-06 08:41:42,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:42,121 INFO L225 Difference]: With dead ends: 383 [2022-04-06 08:41:42,121 INFO L226 Difference]: Without dead ends: 383 [2022-04-06 08:41:42,122 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:42,122 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 82 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:42,122 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 482 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 516 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:42,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-04-06 08:41:42,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 316. [2022-04-06 08:41:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5530546623794212) internal successors, (483), 311 states have internal predecessors, (483), 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) [2022-04-06 08:41:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 487 transitions. [2022-04-06 08:41:42,126 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 487 transitions. Word has length 121 [2022-04-06 08:41:42,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:42,127 INFO L478 AbstractCegarLoop]: Abstraction has 316 states and 487 transitions. [2022-04-06 08:41:42,127 INFO L479 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) [2022-04-06 08:41:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 487 transitions. [2022-04-06 08:41:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-04-06 08:41:42,127 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:42,128 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:42,128 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 08:41:42,128 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:42,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:42,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1117758901, now seen corresponding path program 1 times [2022-04-06 08:41:42,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:42,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570060587] [2022-04-06 08:41:42,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:42,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:41:42,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:42,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570060587] [2022-04-06 08:41:42,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570060587] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:42,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:42,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:42,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423148961] [2022-04-06 08:41:42,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:42,223 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:42,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:42,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:42,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:42,223 INFO L87 Difference]: Start difference. First operand 316 states and 487 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) [2022-04-06 08:41:44,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:41:44,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:44,693 INFO L93 Difference]: Finished difference Result 435 states and 661 transitions. [2022-04-06 08:41:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:44,693 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 121 [2022-04-06 08:41:44,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:44,695 INFO L225 Difference]: With dead ends: 435 [2022-04-06 08:41:44,695 INFO L226 Difference]: Without dead ends: 435 [2022-04-06 08:41:44,695 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:44,695 INFO L913 BasicCegarLoop]: 126 mSDtfsCounter, 117 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:44,695 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 353 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:44,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-04-06 08:41:44,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 314. [2022-04-06 08:41:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5533980582524272) internal successors, (480), 309 states have internal predecessors, (480), 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) [2022-04-06 08:41:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 484 transitions. [2022-04-06 08:41:44,700 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 484 transitions. Word has length 121 [2022-04-06 08:41:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:44,700 INFO L478 AbstractCegarLoop]: Abstraction has 314 states and 484 transitions. [2022-04-06 08:41:44,700 INFO L479 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) [2022-04-06 08:41:44,700 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 484 transitions. [2022-04-06 08:41:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-06 08:41:44,701 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:44,701 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:44,701 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 08:41:44,701 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:44,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:44,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1374739250, now seen corresponding path program 1 times [2022-04-06 08:41:44,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:44,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766110475] [2022-04-06 08:41:44,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:44,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-04-06 08:41:44,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:44,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766110475] [2022-04-06 08:41:44,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766110475] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:44,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:44,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:41:44,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038157547] [2022-04-06 08:41:44,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:44,794 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:41:44,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:44,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:41:44,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:41:44,794 INFO L87 Difference]: Start difference. First operand 314 states and 484 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:46,802 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 [] [2022-04-06 08:41:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:47,235 INFO L93 Difference]: Finished difference Result 385 states and 575 transitions. [2022-04-06 08:41:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:41:47,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 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 127 [2022-04-06 08:41:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:47,236 INFO L225 Difference]: With dead ends: 385 [2022-04-06 08:41:47,236 INFO L226 Difference]: Without dead ends: 385 [2022-04-06 08:41:47,236 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:41:47,237 INFO L913 BasicCegarLoop]: 112 mSDtfsCounter, 140 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:47,237 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 325 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:47,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-04-06 08:41:47,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 314. [2022-04-06 08:41:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5372168284789645) internal successors, (475), 309 states have internal predecessors, (475), 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) [2022-04-06 08:41:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 479 transitions. [2022-04-06 08:41:47,241 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 479 transitions. Word has length 127 [2022-04-06 08:41:47,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:47,241 INFO L478 AbstractCegarLoop]: Abstraction has 314 states and 479 transitions. [2022-04-06 08:41:47,241 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 479 transitions. [2022-04-06 08:41:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 08:41:47,242 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:47,242 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:47,242 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 08:41:47,242 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:47,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1496927688, now seen corresponding path program 1 times [2022-04-06 08:41:47,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:47,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531030463] [2022-04-06 08:41:47,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:41:47,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:47,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531030463] [2022-04-06 08:41:47,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531030463] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:47,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:47,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:41:47,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206682159] [2022-04-06 08:41:47,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:47,331 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:41:47,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:47,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:41:47,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:47,332 INFO L87 Difference]: Start difference. First operand 314 states and 479 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:49,347 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 [] [2022-04-06 08:41:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:49,768 INFO L93 Difference]: Finished difference Result 602 states and 923 transitions. [2022-04-06 08:41:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:41:49,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-04-06 08:41:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:49,770 INFO L225 Difference]: With dead ends: 602 [2022-04-06 08:41:49,770 INFO L226 Difference]: Without dead ends: 602 [2022-04-06 08:41:49,771 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:49,771 INFO L913 BasicCegarLoop]: 370 mSDtfsCounter, 143 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:49,771 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 565 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 395 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-04-06 08:41:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2022-04-06 08:41:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 595 states have (on average 1.542857142857143) internal successors, (918), 595 states have internal predecessors, (918), 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) [2022-04-06 08:41:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 922 transitions. [2022-04-06 08:41:49,778 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 922 transitions. Word has length 132 [2022-04-06 08:41:49,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:49,779 INFO L478 AbstractCegarLoop]: Abstraction has 600 states and 922 transitions. [2022-04-06 08:41:49,779 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 922 transitions. [2022-04-06 08:41:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 08:41:49,780 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:49,780 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:49,780 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-06 08:41:49,780 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:49,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:49,780 INFO L85 PathProgramCache]: Analyzing trace with hash 472233767, now seen corresponding path program 1 times [2022-04-06 08:41:49,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:49,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402518532] [2022-04-06 08:41:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:49,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:41:49,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:49,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402518532] [2022-04-06 08:41:49,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402518532] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:49,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:49,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:41:49,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900372166] [2022-04-06 08:41:49,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:49,893 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:41:49,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:49,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:41:49,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:49,893 INFO L87 Difference]: Start difference. First operand 600 states and 922 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:51,910 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 [] [2022-04-06 08:41:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:52,189 INFO L93 Difference]: Finished difference Result 841 states and 1289 transitions. [2022-04-06 08:41:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:41:52,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (3), 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 132 [2022-04-06 08:41:52,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:52,192 INFO L225 Difference]: With dead ends: 841 [2022-04-06 08:41:52,192 INFO L226 Difference]: Without dead ends: 841 [2022-04-06 08:41:52,192 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:52,193 INFO L913 BasicCegarLoop]: 243 mSDtfsCounter, 138 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:52,193 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 438 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 267 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:41:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2022-04-06 08:41:52,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2022-04-06 08:41:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 836 states have (on average 1.5370813397129186) internal successors, (1285), 836 states have internal predecessors, (1285), 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) [2022-04-06 08:41:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1289 transitions. [2022-04-06 08:41:52,202 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1289 transitions. Word has length 132 [2022-04-06 08:41:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:52,202 INFO L478 AbstractCegarLoop]: Abstraction has 841 states and 1289 transitions. [2022-04-06 08:41:52,202 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1289 transitions. [2022-04-06 08:41:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 08:41:52,203 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:52,203 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:52,203 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-06 08:41:52,204 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:52,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:52,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1640430022, now seen corresponding path program 1 times [2022-04-06 08:41:52,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:52,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943100666] [2022-04-06 08:41:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:52,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-04-06 08:41:52,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:52,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943100666] [2022-04-06 08:41:52,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943100666] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:52,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:52,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:41:52,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191947305] [2022-04-06 08:41:52,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:52,276 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:41:52,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:52,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:41:52,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:52,277 INFO L87 Difference]: Start difference. First operand 841 states and 1289 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:54,291 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 [] [2022-04-06 08:41:54,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:54,519 INFO L93 Difference]: Finished difference Result 868 states and 1324 transitions. [2022-04-06 08:41:54,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:41:54,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-04-06 08:41:54,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:54,522 INFO L225 Difference]: With dead ends: 868 [2022-04-06 08:41:54,522 INFO L226 Difference]: Without dead ends: 868 [2022-04-06 08:41:54,522 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:54,523 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 15 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:54,523 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 411 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-04-06 08:41:54,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-04-06 08:41:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2022-04-06 08:41:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 863 states have (on average 1.52954808806489) internal successors, (1320), 863 states have internal predecessors, (1320), 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) [2022-04-06 08:41:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1324 transitions. [2022-04-06 08:41:54,532 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1324 transitions. Word has length 132 [2022-04-06 08:41:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:54,532 INFO L478 AbstractCegarLoop]: Abstraction has 868 states and 1324 transitions. [2022-04-06 08:41:54,532 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1324 transitions. [2022-04-06 08:41:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 08:41:54,533 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:54,534 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:54,534 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-06 08:41:54,534 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:54,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:54,534 INFO L85 PathProgramCache]: Analyzing trace with hash -818694427, now seen corresponding path program 1 times [2022-04-06 08:41:54,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:54,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405076174] [2022-04-06 08:41:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-04-06 08:41:54,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:54,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405076174] [2022-04-06 08:41:54,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405076174] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:54,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:54,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:41:54,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200747197] [2022-04-06 08:41:54,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:54,621 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:41:54,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:54,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:41:54,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:54,622 INFO L87 Difference]: Start difference. First operand 868 states and 1324 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) [2022-04-06 08:41:56,639 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 [] [2022-04-06 08:41:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:56,872 INFO L93 Difference]: Finished difference Result 584 states and 878 transitions. [2022-04-06 08:41:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:41:56,873 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 132 [2022-04-06 08:41:56,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:56,874 INFO L225 Difference]: With dead ends: 584 [2022-04-06 08:41:56,874 INFO L226 Difference]: Without dead ends: 584 [2022-04-06 08:41:56,874 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:41:56,875 INFO L913 BasicCegarLoop]: 202 mSDtfsCounter, 4 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:56,875 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 388 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-04-06 08:41:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-04-06 08:41:56,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2022-04-06 08:41:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 579 states have (on average 1.5094991364421417) internal successors, (874), 579 states have internal predecessors, (874), 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) [2022-04-06 08:41:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 878 transitions. [2022-04-06 08:41:56,881 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 878 transitions. Word has length 132 [2022-04-06 08:41:56,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:56,881 INFO L478 AbstractCegarLoop]: Abstraction has 584 states and 878 transitions. [2022-04-06 08:41:56,881 INFO L479 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) [2022-04-06 08:41:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 878 transitions. [2022-04-06 08:41:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-04-06 08:41:56,882 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:56,882 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:56,883 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-06 08:41:56,883 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:56,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:56,883 INFO L85 PathProgramCache]: Analyzing trace with hash -839880001, now seen corresponding path program 1 times [2022-04-06 08:41:56,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:56,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038280405] [2022-04-06 08:41:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:56,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:41:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:41:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:41:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-04-06 08:41:57,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:41:57,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038280405] [2022-04-06 08:41:57,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038280405] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:41:57,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:41:57,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 08:41:57,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562373048] [2022-04-06 08:41:57,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:41:57,224 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 08:41:57,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:41:57,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 08:41:57,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-06 08:41:57,225 INFO L87 Difference]: Start difference. First operand 584 states and 878 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:59,247 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 [] [2022-04-06 08:41:59,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:41:59,693 INFO L93 Difference]: Finished difference Result 592 states and 888 transitions. [2022-04-06 08:41:59,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 08:41:59,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-04-06 08:41:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:41:59,694 INFO L225 Difference]: With dead ends: 592 [2022-04-06 08:41:59,694 INFO L226 Difference]: Without dead ends: 584 [2022-04-06 08:41:59,695 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:41:59,695 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 7 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:41:59,696 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 796 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 430 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:41:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-04-06 08:41:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2022-04-06 08:41:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 579 states have (on average 1.5077720207253886) internal successors, (873), 579 states have internal predecessors, (873), 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) [2022-04-06 08:41:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 877 transitions. [2022-04-06 08:41:59,702 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 877 transitions. Word has length 133 [2022-04-06 08:41:59,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:41:59,702 INFO L478 AbstractCegarLoop]: Abstraction has 584 states and 877 transitions. [2022-04-06 08:41:59,703 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:41:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 877 transitions. [2022-04-06 08:41:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-04-06 08:41:59,703 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:41:59,704 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:41:59,704 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 08:41:59,704 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:41:59,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:41:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1090350848, now seen corresponding path program 1 times [2022-04-06 08:41:59,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:41:59,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130938216] [2022-04-06 08:41:59,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:41:59,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:42:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 08:42:00,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-06 08:42:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 08:42:00,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-06 08:42:00,189 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-06 08:42:00,191 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 08:42:00,192 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-06 08:42:00,195 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:42:00,199 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 08:42:00,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:42:00 BasicIcfg [2022-04-06 08:42:00,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 08:42:00,293 INFO L158 Benchmark]: Toolchain (without parser) took 81915.17ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 135.0MB in the beginning and 139.9MB in the end (delta: -4.9MB). Peak memory consumption was 120.9MB. Max. memory is 8.0GB. [2022-04-06 08:42:00,293 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 153.9MB in the beginning and 153.8MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 08:42:00,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.88ms. Allocated memory is still 186.6MB. Free memory was 134.9MB in the beginning and 141.4MB in the end (delta: -6.5MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. [2022-04-06 08:42:00,295 INFO L158 Benchmark]: Boogie Preprocessor took 93.58ms. Allocated memory is still 186.6MB. Free memory was 141.4MB in the beginning and 134.0MB in the end (delta: 7.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-04-06 08:42:00,296 INFO L158 Benchmark]: RCFGBuilder took 3023.99ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 133.5MB in the beginning and 159.4MB in the end (delta: -25.9MB). Peak memory consumption was 35.4MB. Max. memory is 8.0GB. [2022-04-06 08:42:00,296 INFO L158 Benchmark]: IcfgTransformer took 45.08ms. Allocated memory is still 234.9MB. Free memory was 159.4MB in the beginning and 154.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-04-06 08:42:00,298 INFO L158 Benchmark]: TraceAbstraction took 78318.65ms. Allocated memory is still 234.9MB. Free memory was 153.6MB in the beginning and 139.9MB in the end (delta: 13.7MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. [2022-04-06 08:42:00,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 153.9MB in the beginning and 153.8MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.88ms. Allocated memory is still 186.6MB. Free memory was 134.9MB in the beginning and 141.4MB in the end (delta: -6.5MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.58ms. Allocated memory is still 186.6MB. Free memory was 141.4MB in the beginning and 134.0MB in the end (delta: 7.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 3023.99ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 133.5MB in the beginning and 159.4MB in the end (delta: -25.9MB). Peak memory consumption was 35.4MB. Max. memory is 8.0GB. * IcfgTransformer took 45.08ms. Allocated memory is still 234.9MB. Free memory was 159.4MB in the beginning and 154.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 78318.65ms. Allocated memory is still 234.9MB. Free memory was 153.6MB in the beginning and 139.9MB in the end (delta: 13.7MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1737]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1151. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [\old(init)=4294967308, \old(SSLv3_server_data)=null, \old(SSLv3_server_data)=null, init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) VAL [init=1, s={-7:0}, SSLv3_server_data={4:0}] [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->info_callback={0:-1}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1160] EXPR s->cert VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-1}, blastFlag=0, buf={0:14}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=0, init=1, ret=9, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->s3={-5:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-1}, blastFlag=1, buf={0:14}, got_new_session=1, init=1, ret=9, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->hit=7, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1383] s->init_num = 0 VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->s3={-5:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-1}, blastFlag=2, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___2=0, tmp___8=0, tmp___9=13] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-1}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->s3={-5:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1166] COND TRUE 1 VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=0, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1618] COND TRUE blastFlag == 5 VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=0, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] [L1737] reach_error() VAL [={0:-1}, blastFlag=5, buf={0:14}, got_new_session=1, init=1, ret=0, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=-14, tmp___2=0, tmp___8=0, tmp___9=13] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.2s, OverallIterations: 27, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 74.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 30 mSolverCounterUnknown, 1851 SdHoareTripleChecker+Valid, 73.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1851 mSDsluCounter, 11585 SdHoareTripleChecker+Invalid, 71.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7015 mSDsCounter, 692 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10382 IncrementalHoareTripleChecker+Invalid, 11104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 692 mSolverCounterUnsat, 4570 mSDtfsCounter, 10382 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=24, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 1107 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2486 NumberOfCodeBlocks, 2486 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2327 ConstructedInterpolants, 0 QuantifiedInterpolants, 6015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 1067/1067 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-04-06 08:42:00,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...