/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.12.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 00:48:29,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 00:48:29,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 00:48:29,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 00:48:29,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 00:48:29,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 00:48:29,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 00:48:29,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 00:48:29,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 00:48:29,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 00:48:29,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 00:48:29,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 00:48:29,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 00:48:29,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 00:48:29,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 00:48:29,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 00:48:29,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 00:48:29,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 00:48:29,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 00:48:29,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 00:48:29,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 00:48:29,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 00:48:29,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 00:48:29,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 00:48:29,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 00:48:29,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 00:48:29,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 00:48:29,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 00:48:29,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 00:48:29,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 00:48:29,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 00:48:29,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 00:48:29,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 00:48:29,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 00:48:29,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 00:48:29,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 00:48:29,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 00:48:29,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 00:48:29,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 00:48:29,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 00:48:29,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 00:48:29,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-15 00:48:29,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 00:48:29,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 00:48:29,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 00:48:29,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 00:48:29,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 00:48:29,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 00:48:29,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 00:48:29,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 00:48:29,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 00:48:29,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 00:48:29,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 00:48:29,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 00:48:29,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 00:48:29,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 00:48:29,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 00:48:29,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 00:48:29,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 00:48:29,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 00:48:29,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:48:29,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 00:48:29,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 00:48:29,272 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-15 00:48:29,272 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 00:48:29,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 00:48:29,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 00:48:29,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 00:48:29,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 00:48:29,507 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 00:48:29,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.12.i.cil-1.c [2022-02-15 00:48:29,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9421a5b5d/8c8318e6d68c4039aea440d73b74fee8/FLAG0e78d937e [2022-02-15 00:48:30,017 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 00:48:30,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.12.i.cil-1.c [2022-02-15 00:48:30,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9421a5b5d/8c8318e6d68c4039aea440d73b74fee8/FLAG0e78d937e [2022-02-15 00:48:30,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9421a5b5d/8c8318e6d68c4039aea440d73b74fee8 [2022-02-15 00:48:30,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 00:48:30,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 00:48:30,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 00:48:30,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 00:48:30,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 00:48:30,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295b8155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30, skipping insertion in model container [2022-02-15 00:48:30,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 00:48:30,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 00:48:30,519 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.12.i.cil-1.c[75166,75179] [2022-02-15 00:48:30,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:48:30,549 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 00:48:30,633 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.12.i.cil-1.c[75166,75179] [2022-02-15 00:48:30,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:48:30,657 INFO L208 MainTranslator]: Completed translation [2022-02-15 00:48:30,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30 WrapperNode [2022-02-15 00:48:30,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 00:48:30,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 00:48:30,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 00:48:30,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 00:48:30,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 00:48:30,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 00:48:30,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 00:48:30,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 00:48:30,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (1/1) ... [2022-02-15 00:48:30,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:48:30,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:48:30,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 00:48:30,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 00:48:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 00:48:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 00:48:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 00:48:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 00:48:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 00:48:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 00:48:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 00:48:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 00:48:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 00:48:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 00:48:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 00:48:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 00:48:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 00:48:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 00:48:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 00:48:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 00:48:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 00:48:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 00:48:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 00:48:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 00:48:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 00:48:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 00:48:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 00:48:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 00:48:30,994 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 00:48:30,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 00:48:31,677 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 00:48:32,083 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 00:48:32,084 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 00:48:32,094 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 00:48:32,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 00:48:32,103 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 00:48:32,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:48:32 BoogieIcfgContainer [2022-02-15 00:48:32,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 00:48:32,106 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-15 00:48:32,106 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-15 00:48:32,107 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-15 00:48:32,110 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:48:32" (1/1) ... [2022-02-15 00:48:32,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:48:32 BasicIcfg [2022-02-15 00:48:32,167 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-15 00:48:32,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 00:48:32,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 00:48:32,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 00:48:32,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:48:30" (1/4) ... [2022-02-15 00:48:32,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6385c877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:48:32, skipping insertion in model container [2022-02-15 00:48:32,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:48:30" (2/4) ... [2022-02-15 00:48:32,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6385c877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:48:32, skipping insertion in model container [2022-02-15 00:48:32,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:48:32" (3/4) ... [2022-02-15 00:48:32,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6385c877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:48:32, skipping insertion in model container [2022-02-15 00:48:32,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:48:32" (4/4) ... [2022-02-15 00:48:32,176 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.12.i.cil-1.cJordan [2022-02-15 00:48:32,181 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-15 00:48:32,181 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 00:48:32,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 00:48:32,235 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 00:48:32,235 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 00:48:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 152 states have (on average 1.7105263157894737) internal successors, (260), 153 states have internal predecessors, (260), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 00:48:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-15 00:48:32,273 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:32,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:32,273 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:32,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:32,277 INFO L85 PathProgramCache]: Analyzing trace with hash -796355078, now seen corresponding path program 1 times [2022-02-15 00:48:32,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:32,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820226096] [2022-02-15 00:48:32,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:32,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:32,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:32,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:32,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820226096] [2022-02-15 00:48:32,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820226096] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:32,834 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:32,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:32,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855194666] [2022-02-15 00:48:32,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:32,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:32,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:32,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:32,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:32,875 INFO L87 Difference]: Start difference. First operand has 160 states, 152 states have (on average 1.7105263157894737) internal successors, (260), 153 states have internal predecessors, (260), 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 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:34,866 INFO L93 Difference]: Finished difference Result 292 states and 487 transitions. [2022-02-15 00:48:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:34,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 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 48 [2022-02-15 00:48:34,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:34,878 INFO L225 Difference]: With dead ends: 292 [2022-02-15 00:48:34,878 INFO L226 Difference]: Without dead ends: 266 [2022-02-15 00:48:34,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:34,883 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 160 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:34,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 475 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-02-15 00:48:34,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-02-15 00:48:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 184. [2022-02-15 00:48:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.6089385474860336) internal successors, (288), 179 states have internal predecessors, (288), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 292 transitions. [2022-02-15 00:48:34,931 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 292 transitions. Word has length 48 [2022-02-15 00:48:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:34,932 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 292 transitions. [2022-02-15 00:48:34,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 292 transitions. [2022-02-15 00:48:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 00:48:34,934 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:34,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:34,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 00:48:34,934 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:34,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1083746607, now seen corresponding path program 1 times [2022-02-15 00:48:34,935 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:34,935 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888028488] [2022-02-15 00:48:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:34,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:35,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:35,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888028488] [2022-02-15 00:48:35,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888028488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:35,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:35,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:35,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901050628] [2022-02-15 00:48:35,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:35,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:35,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:35,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:35,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:35,155 INFO L87 Difference]: Start difference. First operand 184 states and 292 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:36,568 INFO L93 Difference]: Finished difference Result 212 states and 332 transitions. [2022-02-15 00:48:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:36,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 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 49 [2022-02-15 00:48:36,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:36,570 INFO L225 Difference]: With dead ends: 212 [2022-02-15 00:48:36,570 INFO L226 Difference]: Without dead ends: 212 [2022-02-15 00:48:36,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:36,571 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 22 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:36,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 493 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-02-15 00:48:36,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-02-15 00:48:36,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 195. [2022-02-15 00:48:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.6157894736842104) internal successors, (307), 190 states have internal predecessors, (307), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 311 transitions. [2022-02-15 00:48:36,582 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 311 transitions. Word has length 49 [2022-02-15 00:48:36,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:36,582 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 311 transitions. [2022-02-15 00:48:36,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:36,582 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 311 transitions. [2022-02-15 00:48:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-15 00:48:36,588 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:36,588 INFO L514 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] [2022-02-15 00:48:36,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 00:48:36,588 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:36,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:36,589 INFO L85 PathProgramCache]: Analyzing trace with hash -650707435, now seen corresponding path program 1 times [2022-02-15 00:48:36,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:36,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957310328] [2022-02-15 00:48:36,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:36,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:36,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:36,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957310328] [2022-02-15 00:48:36,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957310328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:36,769 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:36,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:36,770 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764012076] [2022-02-15 00:48:36,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:36,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:36,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:36,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:36,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:36,772 INFO L87 Difference]: Start difference. First operand 195 states and 311 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:38,947 INFO L93 Difference]: Finished difference Result 212 states and 331 transitions. [2022-02-15 00:48:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:38,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 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 62 [2022-02-15 00:48:38,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:38,949 INFO L225 Difference]: With dead ends: 212 [2022-02-15 00:48:38,949 INFO L226 Difference]: Without dead ends: 212 [2022-02-15 00:48:38,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:38,950 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 24 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:38,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 495 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:48:38,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-02-15 00:48:38,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 195. [2022-02-15 00:48:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.6105263157894736) internal successors, (306), 190 states have internal predecessors, (306), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 310 transitions. [2022-02-15 00:48:38,965 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 310 transitions. Word has length 62 [2022-02-15 00:48:38,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:38,965 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 310 transitions. [2022-02-15 00:48:38,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:38,966 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 310 transitions. [2022-02-15 00:48:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 00:48:38,967 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:38,967 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:38,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 00:48:38,967 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:38,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -833256075, now seen corresponding path program 1 times [2022-02-15 00:48:38,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:38,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797711155] [2022-02-15 00:48:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:38,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:39,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:39,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:39,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797711155] [2022-02-15 00:48:39,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797711155] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:39,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:39,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:39,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780853129] [2022-02-15 00:48:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:39,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:39,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:39,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:39,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:39,120 INFO L87 Difference]: Start difference. First operand 195 states and 310 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:41,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:41,075 INFO L93 Difference]: Finished difference Result 211 states and 329 transitions. [2022-02-15 00:48:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:41,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 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 63 [2022-02-15 00:48:41,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:41,076 INFO L225 Difference]: With dead ends: 211 [2022-02-15 00:48:41,077 INFO L226 Difference]: Without dead ends: 211 [2022-02-15 00:48:41,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:41,078 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 28 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:41,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 497 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-02-15 00:48:41,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-02-15 00:48:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 195. [2022-02-15 00:48:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.605263157894737) internal successors, (305), 190 states have internal predecessors, (305), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2022-02-15 00:48:41,085 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 63 [2022-02-15 00:48:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:41,085 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2022-02-15 00:48:41,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2022-02-15 00:48:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 00:48:41,086 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:41,086 INFO L514 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] [2022-02-15 00:48:41,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 00:48:41,087 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash -45663915, now seen corresponding path program 1 times [2022-02-15 00:48:41,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:41,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121961145] [2022-02-15 00:48:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:41,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:41,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121961145] [2022-02-15 00:48:41,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121961145] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:41,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:41,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:41,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560131528] [2022-02-15 00:48:41,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:41,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:41,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:41,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:41,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:41,200 INFO L87 Difference]: Start difference. First operand 195 states and 309 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:43,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:43,780 INFO L93 Difference]: Finished difference Result 316 states and 496 transitions. [2022-02-15 00:48:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:43,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 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 63 [2022-02-15 00:48:43,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:43,782 INFO L225 Difference]: With dead ends: 316 [2022-02-15 00:48:43,782 INFO L226 Difference]: Without dead ends: 316 [2022-02-15 00:48:43,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:43,783 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 155 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:43,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 356 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 00:48:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-02-15 00:48:43,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 207. [2022-02-15 00:48:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 202 states have (on average 1.5891089108910892) internal successors, (321), 202 states have internal predecessors, (321), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 325 transitions. [2022-02-15 00:48:43,790 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 325 transitions. Word has length 63 [2022-02-15 00:48:43,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:43,790 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 325 transitions. [2022-02-15 00:48:43,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 325 transitions. [2022-02-15 00:48:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 00:48:43,792 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:43,792 INFO L514 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] [2022-02-15 00:48:43,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 00:48:43,792 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:43,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1721349397, now seen corresponding path program 1 times [2022-02-15 00:48:43,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:43,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392491361] [2022-02-15 00:48:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:43,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:43,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:43,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392491361] [2022-02-15 00:48:43,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392491361] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:43,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:43,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:43,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613111245] [2022-02-15 00:48:43,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:43,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:43,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:43,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:43,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:43,920 INFO L87 Difference]: Start difference. First operand 207 states and 325 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:46,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:46,645 INFO L93 Difference]: Finished difference Result 316 states and 493 transitions. [2022-02-15 00:48:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:46,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 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 63 [2022-02-15 00:48:46,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:46,647 INFO L225 Difference]: With dead ends: 316 [2022-02-15 00:48:46,647 INFO L226 Difference]: Without dead ends: 316 [2022-02-15 00:48:46,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:46,648 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 149 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:46,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 356 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 00:48:46,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-02-15 00:48:46,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 212. [2022-02-15 00:48:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 207 states have (on average 1.5845410628019323) internal successors, (328), 207 states have internal predecessors, (328), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 332 transitions. [2022-02-15 00:48:46,657 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 332 transitions. Word has length 63 [2022-02-15 00:48:46,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:46,658 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 332 transitions. [2022-02-15 00:48:46,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 332 transitions. [2022-02-15 00:48:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 00:48:46,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:46,661 INFO L514 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] [2022-02-15 00:48:46,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 00:48:46,661 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:46,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1263473141, now seen corresponding path program 1 times [2022-02-15 00:48:46,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:46,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069858155] [2022-02-15 00:48:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:46,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:46,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:46,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069858155] [2022-02-15 00:48:46,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069858155] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:46,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:46,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:46,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960742383] [2022-02-15 00:48:46,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:46,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:46,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:46,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:46,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:46,805 INFO L87 Difference]: Start difference. First operand 212 states and 332 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:49,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:50,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:50,010 INFO L93 Difference]: Finished difference Result 315 states and 489 transitions. [2022-02-15 00:48:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:50,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 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 63 [2022-02-15 00:48:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:50,013 INFO L225 Difference]: With dead ends: 315 [2022-02-15 00:48:50,013 INFO L226 Difference]: Without dead ends: 315 [2022-02-15 00:48:50,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:50,014 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 147 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:50,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 358 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 00:48:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-15 00:48:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 213. [2022-02-15 00:48:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 208 states have (on average 1.5721153846153846) internal successors, (327), 208 states have internal predecessors, (327), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 331 transitions. [2022-02-15 00:48:50,023 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 331 transitions. Word has length 63 [2022-02-15 00:48:50,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:50,023 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 331 transitions. [2022-02-15 00:48:50,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 331 transitions. [2022-02-15 00:48:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 00:48:50,026 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:50,027 INFO L514 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] [2022-02-15 00:48:50,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 00:48:50,028 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:50,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1359784043, now seen corresponding path program 1 times [2022-02-15 00:48:50,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:50,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765578078] [2022-02-15 00:48:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:50,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:50,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765578078] [2022-02-15 00:48:50,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765578078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:50,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:50,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:50,158 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54119998] [2022-02-15 00:48:50,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:50,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:50,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:50,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:50,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:50,160 INFO L87 Difference]: Start difference. First operand 213 states and 331 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:52,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:52,397 INFO L93 Difference]: Finished difference Result 315 states and 486 transitions. [2022-02-15 00:48:52,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:52,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 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 64 [2022-02-15 00:48:52,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:52,400 INFO L225 Difference]: With dead ends: 315 [2022-02-15 00:48:52,400 INFO L226 Difference]: Without dead ends: 315 [2022-02-15 00:48:52,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:52,400 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 151 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:52,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 358 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:48:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-15 00:48:52,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 213. [2022-02-15 00:48:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 208 states have (on average 1.5576923076923077) internal successors, (324), 208 states have internal predecessors, (324), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 328 transitions. [2022-02-15 00:48:52,407 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 328 transitions. Word has length 64 [2022-02-15 00:48:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:52,407 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 328 transitions. [2022-02-15 00:48:52,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 328 transitions. [2022-02-15 00:48:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-15 00:48:52,408 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:52,408 INFO L514 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] [2022-02-15 00:48:52,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 00:48:52,409 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:52,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:52,409 INFO L85 PathProgramCache]: Analyzing trace with hash 413743057, now seen corresponding path program 1 times [2022-02-15 00:48:52,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:52,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250424510] [2022-02-15 00:48:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:52,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:52,517 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:52,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250424510] [2022-02-15 00:48:52,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250424510] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:52,518 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:52,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:52,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401380188] [2022-02-15 00:48:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:52,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:52,519 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:52,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:52,520 INFO L87 Difference]: Start difference. First operand 213 states and 328 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:55,017 INFO L93 Difference]: Finished difference Result 226 states and 344 transitions. [2022-02-15 00:48:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:55,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-02-15 00:48:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:55,019 INFO L225 Difference]: With dead ends: 226 [2022-02-15 00:48:55,019 INFO L226 Difference]: Without dead ends: 226 [2022-02-15 00:48:55,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:55,019 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 20 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:55,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 503 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:48:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-15 00:48:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 213. [2022-02-15 00:48:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 208 states have (on average 1.5528846153846154) internal successors, (323), 208 states have internal predecessors, (323), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 327 transitions. [2022-02-15 00:48:55,025 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 327 transitions. Word has length 65 [2022-02-15 00:48:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:55,025 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 327 transitions. [2022-02-15 00:48:55,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 327 transitions. [2022-02-15 00:48:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 00:48:55,026 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:55,026 INFO L514 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] [2022-02-15 00:48:55,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 00:48:55,026 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:55,027 INFO L85 PathProgramCache]: Analyzing trace with hash 303433714, now seen corresponding path program 1 times [2022-02-15 00:48:55,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:55,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22626207] [2022-02-15 00:48:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:55,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:55,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:55,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22626207] [2022-02-15 00:48:55,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22626207] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:55,141 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:55,141 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:55,141 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229280736] [2022-02-15 00:48:55,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:55,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:55,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:55,143 INFO L87 Difference]: Start difference. First operand 213 states and 327 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) [2022-02-15 00:48:57,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:57,217 INFO L93 Difference]: Finished difference Result 216 states and 330 transitions. [2022-02-15 00:48:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:57,217 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 [2022-02-15 00:48:57,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:57,218 INFO L225 Difference]: With dead ends: 216 [2022-02-15 00:48:57,218 INFO L226 Difference]: Without dead ends: 216 [2022-02-15 00:48:57,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:57,219 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 11 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:57,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 517 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 00:48:57,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-02-15 00:48:57,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2022-02-15 00:48:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 208 states have (on average 1.5480769230769231) internal successors, (322), 208 states have internal predecessors, (322), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 326 transitions. [2022-02-15 00:48:57,224 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 326 transitions. Word has length 66 [2022-02-15 00:48:57,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:57,225 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 326 transitions. [2022-02-15 00:48:57,225 INFO L471 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) [2022-02-15 00:48:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 326 transitions. [2022-02-15 00:48:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 00:48:57,225 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:57,226 INFO L514 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] [2022-02-15 00:48:57,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 00:48:57,226 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:57,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash 15292259, now seen corresponding path program 1 times [2022-02-15 00:48:57,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:57,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759077126] [2022-02-15 00:48:57,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:57,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:48:57,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:57,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759077126] [2022-02-15 00:48:57,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759077126] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:57,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:57,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:57,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016588812] [2022-02-15 00:48:57,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:57,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:57,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:57,355 INFO L87 Difference]: Start difference. First operand 213 states and 326 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) [2022-02-15 00:49:01,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:01,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:01,535 INFO L93 Difference]: Finished difference Result 315 states and 483 transitions. [2022-02-15 00:49:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:01,536 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 [2022-02-15 00:49:01,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:01,537 INFO L225 Difference]: With dead ends: 315 [2022-02-15 00:49:01,538 INFO L226 Difference]: Without dead ends: 315 [2022-02-15 00:49:01,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:01,538 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 124 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:01,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 372 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 00:49:01,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-15 00:49:01,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 235. [2022-02-15 00:49:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.5869565217391304) internal successors, (365), 230 states have internal predecessors, (365), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 369 transitions. [2022-02-15 00:49:01,544 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 369 transitions. Word has length 66 [2022-02-15 00:49:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:01,545 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 369 transitions. [2022-02-15 00:49:01,545 INFO L471 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) [2022-02-15 00:49:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 369 transitions. [2022-02-15 00:49:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-15 00:49:01,546 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:01,546 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-15 00:49:01,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 00:49:01,546 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:01,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1382857682, now seen corresponding path program 1 times [2022-02-15 00:49:01,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:01,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109645450] [2022-02-15 00:49:01,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 00:49:01,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:01,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109645450] [2022-02-15 00:49:01,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109645450] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:01,654 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:01,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:01,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797970266] [2022-02-15 00:49:01,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:01,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:01,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:01,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:01,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:01,656 INFO L87 Difference]: Start difference. First operand 235 states and 369 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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) [2022-02-15 00:49:03,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:03,834 INFO L93 Difference]: Finished difference Result 277 states and 429 transitions. [2022-02-15 00:49:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:03,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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 94 [2022-02-15 00:49:03,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:03,836 INFO L225 Difference]: With dead ends: 277 [2022-02-15 00:49:03,836 INFO L226 Difference]: Without dead ends: 277 [2022-02-15 00:49:03,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:03,837 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 30 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:03,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 517 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:49:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-02-15 00:49:03,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2022-02-15 00:49:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.5833333333333333) internal successors, (399), 252 states have internal predecessors, (399), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 403 transitions. [2022-02-15 00:49:03,842 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 403 transitions. Word has length 94 [2022-02-15 00:49:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:03,843 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 403 transitions. [2022-02-15 00:49:03,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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) [2022-02-15 00:49:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 403 transitions. [2022-02-15 00:49:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-15 00:49:03,844 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:03,844 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:03,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 00:49:03,844 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:03,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:03,845 INFO L85 PathProgramCache]: Analyzing trace with hash -328030164, now seen corresponding path program 1 times [2022-02-15 00:49:03,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:03,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713439860] [2022-02-15 00:49:03,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:03,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:49:03,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:03,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713439860] [2022-02-15 00:49:03,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713439860] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:03,959 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:03,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:03,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233735745] [2022-02-15 00:49:03,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:03,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:03,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:03,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:03,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:03,960 INFO L87 Difference]: Start difference. First operand 257 states and 403 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:06,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:07,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:09,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:09,238 INFO L93 Difference]: Finished difference Result 375 states and 581 transitions. [2022-02-15 00:49:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:09,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 107 [2022-02-15 00:49:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:09,240 INFO L225 Difference]: With dead ends: 375 [2022-02-15 00:49:09,240 INFO L226 Difference]: Without dead ends: 375 [2022-02-15 00:49:09,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:09,241 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 147 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:09,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 608 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-02-15 00:49:09,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-02-15 00:49:09,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 273. [2022-02-15 00:49:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5708955223880596) internal successors, (421), 268 states have internal predecessors, (421), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 425 transitions. [2022-02-15 00:49:09,248 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 425 transitions. Word has length 107 [2022-02-15 00:49:09,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:09,248 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 425 transitions. [2022-02-15 00:49:09,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 425 transitions. [2022-02-15 00:49:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-15 00:49:09,250 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:09,250 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-15 00:49:09,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 00:49:09,250 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:09,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:09,250 INFO L85 PathProgramCache]: Analyzing trace with hash 177090676, now seen corresponding path program 1 times [2022-02-15 00:49:09,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:09,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224650027] [2022-02-15 00:49:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-02-15 00:49:09,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:09,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224650027] [2022-02-15 00:49:09,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224650027] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:09,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:09,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:09,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071387482] [2022-02-15 00:49:09,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:09,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:09,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:09,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:09,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:09,380 INFO L87 Difference]: Start difference. First operand 273 states and 425 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) [2022-02-15 00:49:10,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:11,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:11,965 INFO L93 Difference]: Finished difference Result 286 states and 440 transitions. [2022-02-15 00:49:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:11,965 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 108 [2022-02-15 00:49:11,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:11,967 INFO L225 Difference]: With dead ends: 286 [2022-02-15 00:49:11,967 INFO L226 Difference]: Without dead ends: 286 [2022-02-15 00:49:11,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:11,968 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 20 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:11,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 582 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 00:49:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-15 00:49:11,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 273. [2022-02-15 00:49:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5671641791044777) internal successors, (420), 268 states have internal predecessors, (420), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 424 transitions. [2022-02-15 00:49:11,974 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 424 transitions. Word has length 108 [2022-02-15 00:49:11,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:11,974 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 424 transitions. [2022-02-15 00:49:11,974 INFO L471 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) [2022-02-15 00:49:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 424 transitions. [2022-02-15 00:49:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-15 00:49:11,975 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:11,975 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-15 00:49:11,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 00:49:11,976 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:11,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:11,976 INFO L85 PathProgramCache]: Analyzing trace with hash -521407407, now seen corresponding path program 1 times [2022-02-15 00:49:11,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:11,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296476879] [2022-02-15 00:49:11,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:11,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-02-15 00:49:12,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:12,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296476879] [2022-02-15 00:49:12,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296476879] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:12,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:12,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:49:12,106 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798899171] [2022-02-15 00:49:12,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:12,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:49:12,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:12,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:49:12,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:12,107 INFO L87 Difference]: Start difference. First operand 273 states and 424 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 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) [2022-02-15 00:49:13,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:16,008 INFO L93 Difference]: Finished difference Result 282 states and 435 transitions. [2022-02-15 00:49:16,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:49:16,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 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 109 [2022-02-15 00:49:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:16,010 INFO L225 Difference]: With dead ends: 282 [2022-02-15 00:49:16,010 INFO L226 Difference]: Without dead ends: 282 [2022-02-15 00:49:16,010 INFO L932 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 [2022-02-15 00:49:16,011 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 3 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:16,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 649 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-02-15 00:49:16,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-02-15 00:49:16,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-02-15 00:49:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.555956678700361) internal successors, (431), 277 states have internal predecessors, (431), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 435 transitions. [2022-02-15 00:49:16,016 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 435 transitions. Word has length 109 [2022-02-15 00:49:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:16,016 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 435 transitions. [2022-02-15 00:49:16,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 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) [2022-02-15 00:49:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 435 transitions. [2022-02-15 00:49:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-15 00:49:16,018 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:16,018 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-02-15 00:49:16,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 00:49:16,018 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1010693003, now seen corresponding path program 1 times [2022-02-15 00:49:16,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:16,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807666673] [2022-02-15 00:49:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:49:16,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:16,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807666673] [2022-02-15 00:49:16,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807666673] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:16,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:16,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:16,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526106004] [2022-02-15 00:49:16,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:16,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:16,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:16,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:16,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:16,129 INFO L87 Difference]: Start difference. First operand 282 states and 435 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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) [2022-02-15 00:49:18,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:18,336 INFO L93 Difference]: Finished difference Result 371 states and 556 transitions. [2022-02-15 00:49:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:18,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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 111 [2022-02-15 00:49:18,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:18,339 INFO L225 Difference]: With dead ends: 371 [2022-02-15 00:49:18,339 INFO L226 Difference]: Without dead ends: 371 [2022-02-15 00:49:18,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:18,339 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 149 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:18,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 372 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:49:18,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-02-15 00:49:18,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 282. [2022-02-15 00:49:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.5415162454873645) internal successors, (427), 277 states have internal predecessors, (427), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 431 transitions. [2022-02-15 00:49:18,346 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 431 transitions. Word has length 111 [2022-02-15 00:49:18,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:18,346 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 431 transitions. [2022-02-15 00:49:18,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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) [2022-02-15 00:49:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 431 transitions. [2022-02-15 00:49:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-15 00:49:18,347 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:18,347 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-02-15 00:49:18,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 00:49:18,348 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:18,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:18,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1517189340, now seen corresponding path program 1 times [2022-02-15 00:49:18,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:18,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695479582] [2022-02-15 00:49:18,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:18,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:49:18,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:18,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695479582] [2022-02-15 00:49:18,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695479582] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:18,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:18,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:18,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571322243] [2022-02-15 00:49:18,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:18,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:18,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:18,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:18,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:18,461 INFO L87 Difference]: Start difference. First operand 282 states and 431 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:21,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:22,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:22,267 INFO L93 Difference]: Finished difference Result 299 states and 452 transitions. [2022-02-15 00:49:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:22,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 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 112 [2022-02-15 00:49:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:22,268 INFO L225 Difference]: With dead ends: 299 [2022-02-15 00:49:22,268 INFO L226 Difference]: Without dead ends: 299 [2022-02-15 00:49:22,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:22,269 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 33 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:22,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 523 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 00:49:22,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-02-15 00:49:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2022-02-15 00:49:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.5379061371841156) internal successors, (426), 277 states have internal predecessors, (426), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 430 transitions. [2022-02-15 00:49:22,276 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 430 transitions. Word has length 112 [2022-02-15 00:49:22,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:22,276 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 430 transitions. [2022-02-15 00:49:22,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 430 transitions. [2022-02-15 00:49:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-15 00:49:22,277 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:22,277 INFO L514 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] [2022-02-15 00:49:22,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 00:49:22,278 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:22,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:22,278 INFO L85 PathProgramCache]: Analyzing trace with hash -527302323, now seen corresponding path program 1 times [2022-02-15 00:49:22,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:22,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186008707] [2022-02-15 00:49:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:22,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:49:22,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:22,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186008707] [2022-02-15 00:49:22,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186008707] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:22,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:22,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:22,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112059607] [2022-02-15 00:49:22,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:22,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:22,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:22,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:22,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:22,420 INFO L87 Difference]: Start difference. First operand 282 states and 430 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:26,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:26,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:26,501 INFO L93 Difference]: Finished difference Result 388 states and 587 transitions. [2022-02-15 00:49:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:26,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 116 [2022-02-15 00:49:26,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:26,503 INFO L225 Difference]: With dead ends: 388 [2022-02-15 00:49:26,503 INFO L226 Difference]: Without dead ends: 388 [2022-02-15 00:49:26,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:26,504 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 92 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:26,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 517 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 00:49:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-02-15 00:49:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 316. [2022-02-15 00:49:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5434083601286173) internal successors, (480), 311 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) [2022-02-15 00:49:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 484 transitions. [2022-02-15 00:49:26,510 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 484 transitions. Word has length 116 [2022-02-15 00:49:26,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:26,510 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 484 transitions. [2022-02-15 00:49:26,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 484 transitions. [2022-02-15 00:49:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-15 00:49:26,512 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:26,512 INFO L514 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] [2022-02-15 00:49:26,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 00:49:26,512 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:26,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2097151404, now seen corresponding path program 1 times [2022-02-15 00:49:26,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:26,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007515789] [2022-02-15 00:49:26,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:49:26,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:26,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007515789] [2022-02-15 00:49:26,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007515789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:26,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:26,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:26,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022383939] [2022-02-15 00:49:26,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:26,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:26,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:26,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:26,661 INFO L87 Difference]: Start difference. First operand 316 states and 484 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:29,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:30,234 INFO L93 Difference]: Finished difference Result 481 states and 737 transitions. [2022-02-15 00:49:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:30,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 116 [2022-02-15 00:49:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:30,236 INFO L225 Difference]: With dead ends: 481 [2022-02-15 00:49:30,236 INFO L226 Difference]: Without dead ends: 481 [2022-02-15 00:49:30,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:30,237 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 129 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:30,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 384 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-02-15 00:49:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-02-15 00:49:30,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 346. [2022-02-15 00:49:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5542521994134897) internal successors, (530), 341 states have internal predecessors, (530), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 534 transitions. [2022-02-15 00:49:30,244 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 534 transitions. Word has length 116 [2022-02-15 00:49:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:30,244 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 534 transitions. [2022-02-15 00:49:30,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 534 transitions. [2022-02-15 00:49:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-02-15 00:49:30,246 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:30,246 INFO L514 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] [2022-02-15 00:49:30,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 00:49:30,246 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:30,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:30,247 INFO L85 PathProgramCache]: Analyzing trace with hash 775708070, now seen corresponding path program 1 times [2022-02-15 00:49:30,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:30,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074492343] [2022-02-15 00:49:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-15 00:49:30,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:30,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074492343] [2022-02-15 00:49:30,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074492343] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:30,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:30,399 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:30,399 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435911771] [2022-02-15 00:49:30,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:30,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:30,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:30,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:30,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:30,400 INFO L87 Difference]: Start difference. First operand 346 states and 534 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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) [2022-02-15 00:49:34,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:34,807 INFO L93 Difference]: Finished difference Result 425 states and 641 transitions. [2022-02-15 00:49:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:34,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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 121 [2022-02-15 00:49:34,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:34,809 INFO L225 Difference]: With dead ends: 425 [2022-02-15 00:49:34,809 INFO L226 Difference]: Without dead ends: 425 [2022-02-15 00:49:34,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:34,810 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 151 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:34,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 358 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-02-15 00:49:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-02-15 00:49:34,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 346. [2022-02-15 00:49:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5366568914956011) internal successors, (524), 341 states have internal predecessors, (524), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 528 transitions. [2022-02-15 00:49:34,816 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 528 transitions. Word has length 121 [2022-02-15 00:49:34,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:34,817 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 528 transitions. [2022-02-15 00:49:34,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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) [2022-02-15 00:49:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 528 transitions. [2022-02-15 00:49:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-15 00:49:34,818 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:34,818 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:34,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 00:49:34,819 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:34,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:34,819 INFO L85 PathProgramCache]: Analyzing trace with hash 763597463, now seen corresponding path program 1 times [2022-02-15 00:49:34,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:34,819 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087384691] [2022-02-15 00:49:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:34,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:49:34,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:34,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087384691] [2022-02-15 00:49:34,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087384691] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:34,932 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:34,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:34,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958470736] [2022-02-15 00:49:34,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:34,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:34,933 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:34,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:34,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:34,934 INFO L87 Difference]: Start difference. First operand 346 states and 528 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:37,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:37,557 INFO L93 Difference]: Finished difference Result 442 states and 671 transitions. [2022-02-15 00:49:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:37,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-02-15 00:49:37,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:37,560 INFO L225 Difference]: With dead ends: 442 [2022-02-15 00:49:37,560 INFO L226 Difference]: Without dead ends: 442 [2022-02-15 00:49:37,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:37,561 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 85 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:37,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 495 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 00:49:37,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-02-15 00:49:37,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 385. [2022-02-15 00:49:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 380 states have (on average 1.5421052631578946) internal successors, (586), 380 states have internal predecessors, (586), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 590 transitions. [2022-02-15 00:49:37,568 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 590 transitions. Word has length 122 [2022-02-15 00:49:37,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:37,568 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 590 transitions. [2022-02-15 00:49:37,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 590 transitions. [2022-02-15 00:49:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-15 00:49:37,570 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:37,570 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:37,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 00:49:37,570 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1207208886, now seen corresponding path program 1 times [2022-02-15 00:49:37,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:37,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888418355] [2022-02-15 00:49:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:49:37,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:37,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888418355] [2022-02-15 00:49:37,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888418355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:37,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:37,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:37,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662734754] [2022-02-15 00:49:37,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:37,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:37,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:37,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:37,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:37,705 INFO L87 Difference]: Start difference. First operand 385 states and 590 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:40,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:40,092 INFO L93 Difference]: Finished difference Result 504 states and 766 transitions. [2022-02-15 00:49:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:40,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-02-15 00:49:40,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:40,094 INFO L225 Difference]: With dead ends: 504 [2022-02-15 00:49:40,094 INFO L226 Difference]: Without dead ends: 504 [2022-02-15 00:49:40,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:40,095 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 124 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:40,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 358 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:49:40,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-02-15 00:49:40,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 383. [2022-02-15 00:49:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 378 states have (on average 1.5423280423280423) internal successors, (583), 378 states have internal predecessors, (583), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 587 transitions. [2022-02-15 00:49:40,102 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 587 transitions. Word has length 122 [2022-02-15 00:49:40,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:40,102 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 587 transitions. [2022-02-15 00:49:40,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 587 transitions. [2022-02-15 00:49:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-15 00:49:40,103 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:40,104 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:40,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 00:49:40,104 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:40,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1514824195, now seen corresponding path program 1 times [2022-02-15 00:49:40,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:40,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784840761] [2022-02-15 00:49:40,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:40,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:49:40,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:40,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784840761] [2022-02-15 00:49:40,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784840761] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:40,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:40,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:40,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511115762] [2022-02-15 00:49:40,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:40,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:40,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:40,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:40,224 INFO L87 Difference]: Start difference. First operand 383 states and 587 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:41,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:43,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:44,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:44,543 INFO L93 Difference]: Finished difference Result 462 states and 698 transitions. [2022-02-15 00:49:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:44,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-02-15 00:49:44,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:44,545 INFO L225 Difference]: With dead ends: 462 [2022-02-15 00:49:44,545 INFO L226 Difference]: Without dead ends: 462 [2022-02-15 00:49:44,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:44,546 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 123 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:44,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 358 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 00:49:44,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-02-15 00:49:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 383. [2022-02-15 00:49:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 378 states have (on average 1.537037037037037) internal successors, (581), 378 states have internal predecessors, (581), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 585 transitions. [2022-02-15 00:49:44,560 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 585 transitions. Word has length 123 [2022-02-15 00:49:44,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:44,561 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 585 transitions. [2022-02-15 00:49:44,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 585 transitions. [2022-02-15 00:49:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-15 00:49:44,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:44,562 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:44,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 00:49:44,562 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:44,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:44,563 INFO L85 PathProgramCache]: Analyzing trace with hash 407133951, now seen corresponding path program 1 times [2022-02-15 00:49:44,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:44,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374166158] [2022-02-15 00:49:44,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:44,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:44,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:49:44,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:44,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374166158] [2022-02-15 00:49:44,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374166158] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:44,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:44,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:44,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615294042] [2022-02-15 00:49:44,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:44,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:44,694 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:44,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:44,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:44,695 INFO L87 Difference]: Start difference. First operand 383 states and 585 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:46,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:48,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:48,155 INFO L93 Difference]: Finished difference Result 470 states and 713 transitions. [2022-02-15 00:49:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:48,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 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 130 [2022-02-15 00:49:48,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:48,157 INFO L225 Difference]: With dead ends: 470 [2022-02-15 00:49:48,158 INFO L226 Difference]: Without dead ends: 470 [2022-02-15 00:49:48,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:48,158 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 68 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:48,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 495 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 00:49:48,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-02-15 00:49:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 426. [2022-02-15 00:49:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 421 states have (on average 1.5368171021377672) internal successors, (647), 421 states have internal predecessors, (647), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 651 transitions. [2022-02-15 00:49:48,165 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 651 transitions. Word has length 130 [2022-02-15 00:49:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:48,165 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 651 transitions. [2022-02-15 00:49:48,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 651 transitions. [2022-02-15 00:49:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-15 00:49:48,166 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:48,166 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:48,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 00:49:48,167 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:48,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:48,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1190512926, now seen corresponding path program 1 times [2022-02-15 00:49:48,167 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:48,167 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419069440] [2022-02-15 00:49:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-15 00:49:48,276 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:48,276 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419069440] [2022-02-15 00:49:48,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419069440] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:48,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:48,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:48,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324164228] [2022-02-15 00:49:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:48,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:48,277 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:48,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:48,278 INFO L87 Difference]: Start difference. First operand 426 states and 651 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:49,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:51,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:51,285 INFO L93 Difference]: Finished difference Result 472 states and 716 transitions. [2022-02-15 00:49:51,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:51,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 130 [2022-02-15 00:49:51,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:51,287 INFO L225 Difference]: With dead ends: 472 [2022-02-15 00:49:51,287 INFO L226 Difference]: Without dead ends: 472 [2022-02-15 00:49:51,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:51,288 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 35 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:51,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 613 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-15 00:49:51,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-02-15 00:49:51,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 450. [2022-02-15 00:49:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 445 states have (on average 1.5325842696629213) internal successors, (682), 445 states have internal predecessors, (682), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 686 transitions. [2022-02-15 00:49:51,295 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 686 transitions. Word has length 130 [2022-02-15 00:49:51,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:51,295 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 686 transitions. [2022-02-15 00:49:51,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:51,295 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 686 transitions. [2022-02-15 00:49:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-15 00:49:51,296 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:51,296 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:51,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 00:49:51,297 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:51,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2135869213, now seen corresponding path program 1 times [2022-02-15 00:49:51,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:51,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274839709] [2022-02-15 00:49:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:49:51,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:51,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274839709] [2022-02-15 00:49:51,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274839709] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:51,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:51,421 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:51,421 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423593951] [2022-02-15 00:49:51,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:51,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:51,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:51,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:51,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:51,422 INFO L87 Difference]: Start difference. First operand 450 states and 686 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:53,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:53,607 INFO L93 Difference]: Finished difference Result 569 states and 856 transitions. [2022-02-15 00:49:53,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:53,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 143 [2022-02-15 00:49:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:53,609 INFO L225 Difference]: With dead ends: 569 [2022-02-15 00:49:53,609 INFO L226 Difference]: Without dead ends: 569 [2022-02-15 00:49:53,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:53,609 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 130 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:53,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 374 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:49:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-02-15 00:49:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 480. [2022-02-15 00:49:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 475 states have (on average 1.5242105263157895) internal successors, (724), 475 states have internal predecessors, (724), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 728 transitions. [2022-02-15 00:49:53,617 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 728 transitions. Word has length 143 [2022-02-15 00:49:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:53,617 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 728 transitions. [2022-02-15 00:49:53,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:53,618 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 728 transitions. [2022-02-15 00:49:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 00:49:53,619 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:53,619 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:53,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 00:49:53,619 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:53,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:53,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1981672196, now seen corresponding path program 1 times [2022-02-15 00:49:53,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:53,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321419963] [2022-02-15 00:49:53,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:53,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:49:53,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:53,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321419963] [2022-02-15 00:49:53,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321419963] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:53,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:53,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:53,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779849852] [2022-02-15 00:49:53,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:53,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:53,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:53,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:53,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:53,736 INFO L87 Difference]: Start difference. First operand 480 states and 728 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:55,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:56,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:56,445 INFO L93 Difference]: Finished difference Result 522 states and 787 transitions. [2022-02-15 00:49:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:56,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-15 00:49:56,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:56,447 INFO L225 Difference]: With dead ends: 522 [2022-02-15 00:49:56,447 INFO L226 Difference]: Without dead ends: 522 [2022-02-15 00:49:56,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:56,448 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 75 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:56,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 499 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 00:49:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2022-02-15 00:49:56,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 480. [2022-02-15 00:49:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 475 states have (on average 1.5221052631578946) internal successors, (723), 475 states have internal predecessors, (723), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 727 transitions. [2022-02-15 00:49:56,455 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 727 transitions. Word has length 144 [2022-02-15 00:49:56,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:56,455 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 727 transitions. [2022-02-15 00:49:56,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 727 transitions. [2022-02-15 00:49:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 00:49:56,457 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:56,457 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:56,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 00:49:56,457 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:56,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:56,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1271113360, now seen corresponding path program 1 times [2022-02-15 00:49:56,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:56,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335742474] [2022-02-15 00:49:56,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:56,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:49:56,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:56,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335742474] [2022-02-15 00:49:56,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335742474] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:56,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:56,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:56,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139146366] [2022-02-15 00:49:56,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:56,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:56,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:56,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:56,636 INFO L87 Difference]: Start difference. First operand 480 states and 727 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:58,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:58,860 INFO L93 Difference]: Finished difference Result 549 states and 818 transitions. [2022-02-15 00:49:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:58,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-02-15 00:49:58,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:58,861 INFO L225 Difference]: With dead ends: 549 [2022-02-15 00:49:58,862 INFO L226 Difference]: Without dead ends: 549 [2022-02-15 00:49:58,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:58,863 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:58,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 394 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:49:58,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-02-15 00:49:58,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 480. [2022-02-15 00:49:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 475 states have (on average 1.503157894736842) internal successors, (714), 475 states have internal predecessors, (714), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 718 transitions. [2022-02-15 00:49:58,870 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 718 transitions. Word has length 146 [2022-02-15 00:49:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:58,871 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 718 transitions. [2022-02-15 00:49:58,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 718 transitions. [2022-02-15 00:49:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 00:49:58,872 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:58,873 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-02-15 00:49:58,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 00:49:58,874 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:58,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:58,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1044031091, now seen corresponding path program 1 times [2022-02-15 00:49:58,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:58,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434763061] [2022-02-15 00:49:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:58,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:49:58,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:58,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434763061] [2022-02-15 00:49:58,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434763061] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:58,998 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:58,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:58,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700669677] [2022-02-15 00:49:58,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:58,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:58,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:58,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:58,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:58,999 INFO L87 Difference]: Start difference. First operand 480 states and 718 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:01,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:02,747 INFO L93 Difference]: Finished difference Result 512 states and 764 transitions. [2022-02-15 00:50:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:02,748 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 147 [2022-02-15 00:50:02,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:02,749 INFO L225 Difference]: With dead ends: 512 [2022-02-15 00:50:02,749 INFO L226 Difference]: Without dead ends: 512 [2022-02-15 00:50:02,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:02,750 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 69 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:02,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 513 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 00:50:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-02-15 00:50:02,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 480. [2022-02-15 00:50:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 475 states have (on average 1.5010526315789474) internal successors, (713), 475 states have internal predecessors, (713), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 717 transitions. [2022-02-15 00:50:02,757 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 717 transitions. Word has length 147 [2022-02-15 00:50:02,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:02,757 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 717 transitions. [2022-02-15 00:50:02,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 717 transitions. [2022-02-15 00:50:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-15 00:50:02,759 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:02,759 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:02,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 00:50:02,759 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:02,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:02,759 INFO L85 PathProgramCache]: Analyzing trace with hash -604167374, now seen corresponding path program 1 times [2022-02-15 00:50:02,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:02,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939561352] [2022-02-15 00:50:02,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:02,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:50:02,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:02,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939561352] [2022-02-15 00:50:02,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939561352] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:02,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:02,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:02,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822193100] [2022-02-15 00:50:02,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:02,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:02,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:02,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:02,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:02,888 INFO L87 Difference]: Start difference. First operand 480 states and 717 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:04,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:05,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:05,965 INFO L93 Difference]: Finished difference Result 549 states and 810 transitions. [2022-02-15 00:50:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:05,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 148 [2022-02-15 00:50:05,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:05,967 INFO L225 Difference]: With dead ends: 549 [2022-02-15 00:50:05,968 INFO L226 Difference]: Without dead ends: 549 [2022-02-15 00:50:05,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:05,968 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 123 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:05,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 378 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 00:50:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-02-15 00:50:05,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 480. [2022-02-15 00:50:05,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 475 states have (on average 1.4863157894736843) internal successors, (706), 475 states have internal predecessors, (706), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 710 transitions. [2022-02-15 00:50:05,977 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 710 transitions. Word has length 148 [2022-02-15 00:50:05,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:05,977 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 710 transitions. [2022-02-15 00:50:05,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 710 transitions. [2022-02-15 00:50:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:50:05,979 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:05,980 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:05,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 00:50:05,980 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1752426755, now seen corresponding path program 1 times [2022-02-15 00:50:05,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:05,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364462472] [2022-02-15 00:50:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:05,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:50:06,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:06,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364462472] [2022-02-15 00:50:06,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364462472] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:06,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:06,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:06,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428576001] [2022-02-15 00:50:06,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:06,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:06,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:06,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:06,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:06,097 INFO L87 Difference]: Start difference. First operand 480 states and 710 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:08,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:09,755 INFO L93 Difference]: Finished difference Result 549 states and 803 transitions. [2022-02-15 00:50:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:09,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2022-02-15 00:50:09,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:09,757 INFO L225 Difference]: With dead ends: 549 [2022-02-15 00:50:09,757 INFO L226 Difference]: Without dead ends: 549 [2022-02-15 00:50:09,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:09,757 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 127 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:09,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 392 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-02-15 00:50:09,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-02-15 00:50:09,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 480. [2022-02-15 00:50:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 475 states have (on average 1.471578947368421) internal successors, (699), 475 states have internal predecessors, (699), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 703 transitions. [2022-02-15 00:50:09,764 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 703 transitions. Word has length 152 [2022-02-15 00:50:09,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:09,764 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 703 transitions. [2022-02-15 00:50:09,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 703 transitions. [2022-02-15 00:50:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:50:09,766 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:09,766 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:09,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 00:50:09,766 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:09,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:09,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1057779748, now seen corresponding path program 1 times [2022-02-15 00:50:09,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:09,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023450440] [2022-02-15 00:50:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:09,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-15 00:50:09,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:09,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023450440] [2022-02-15 00:50:09,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023450440] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:09,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:09,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:50:09,897 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146541543] [2022-02-15 00:50:09,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:09,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:50:09,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:09,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:50:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:50:09,898 INFO L87 Difference]: Start difference. First operand 480 states and 703 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:11,092 INFO L93 Difference]: Finished difference Result 929 states and 1358 transitions. [2022-02-15 00:50:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:50:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2022-02-15 00:50:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:11,095 INFO L225 Difference]: With dead ends: 929 [2022-02-15 00:50:11,095 INFO L226 Difference]: Without dead ends: 929 [2022-02-15 00:50:11,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:50:11,096 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:11,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 433 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-02-15 00:50:11,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-02-15 00:50:11,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 927. [2022-02-15 00:50:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 922 states have (on average 1.467462039045553) internal successors, (1353), 922 states have internal predecessors, (1353), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1357 transitions. [2022-02-15 00:50:11,109 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1357 transitions. Word has length 152 [2022-02-15 00:50:11,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:11,109 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1357 transitions. [2022-02-15 00:50:11,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:11,109 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1357 transitions. [2022-02-15 00:50:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:50:11,111 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:11,111 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:11,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 00:50:11,112 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1301527261, now seen corresponding path program 1 times [2022-02-15 00:50:11,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:11,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183664113] [2022-02-15 00:50:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-15 00:50:11,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:11,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183664113] [2022-02-15 00:50:11,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183664113] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:11,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:11,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:50:11,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114518268] [2022-02-15 00:50:11,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:11,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:50:11,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:11,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:50:11,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:11,241 INFO L87 Difference]: Start difference. First operand 927 states and 1357 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:12,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:14,933 INFO L93 Difference]: Finished difference Result 1427 states and 2084 transitions. [2022-02-15 00:50:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 00:50:14,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2022-02-15 00:50:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:14,937 INFO L225 Difference]: With dead ends: 1427 [2022-02-15 00:50:14,937 INFO L226 Difference]: Without dead ends: 1427 [2022-02-15 00:50:14,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-15 00:50:14,939 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 89 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:14,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 817 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 00:50:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-02-15 00:50:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1410. [2022-02-15 00:50:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1405 states have (on average 1.4690391459074734) internal successors, (2064), 1405 states have internal predecessors, (2064), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 2068 transitions. [2022-02-15 00:50:14,986 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 2068 transitions. Word has length 152 [2022-02-15 00:50:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:14,987 INFO L470 AbstractCegarLoop]: Abstraction has 1410 states and 2068 transitions. [2022-02-15 00:50:14,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 2068 transitions. [2022-02-15 00:50:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-15 00:50:14,991 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:14,991 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:14,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 00:50:14,991 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash -40691048, now seen corresponding path program 1 times [2022-02-15 00:50:14,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:14,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286008967] [2022-02-15 00:50:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:50:15,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:15,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286008967] [2022-02-15 00:50:15,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286008967] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:15,110 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:15,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:15,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772873708] [2022-02-15 00:50:15,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:15,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:15,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:15,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:15,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:15,112 INFO L87 Difference]: Start difference. First operand 1410 states and 2068 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:17,676 INFO L93 Difference]: Finished difference Result 1468 states and 2141 transitions. [2022-02-15 00:50:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:17,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-02-15 00:50:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:17,681 INFO L225 Difference]: With dead ends: 1468 [2022-02-15 00:50:17,681 INFO L226 Difference]: Without dead ends: 1468 [2022-02-15 00:50:17,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:17,682 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 54 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:17,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 535 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:50:17,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2022-02-15 00:50:17,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1410. [2022-02-15 00:50:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1405 states have (on average 1.4669039145907474) internal successors, (2061), 1405 states have internal predecessors, (2061), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 2065 transitions. [2022-02-15 00:50:17,698 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 2065 transitions. Word has length 153 [2022-02-15 00:50:17,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:17,698 INFO L470 AbstractCegarLoop]: Abstraction has 1410 states and 2065 transitions. [2022-02-15 00:50:17,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 2065 transitions. [2022-02-15 00:50:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-15 00:50:17,701 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:17,701 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:17,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 00:50:17,701 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash 379346722, now seen corresponding path program 1 times [2022-02-15 00:50:17,702 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:17,702 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307623132] [2022-02-15 00:50:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:17,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-15 00:50:17,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:17,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307623132] [2022-02-15 00:50:17,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307623132] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:17,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:17,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:17,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116465349] [2022-02-15 00:50:17,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:17,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:17,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:17,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:17,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:17,814 INFO L87 Difference]: Start difference. First operand 1410 states and 2065 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:20,084 INFO L93 Difference]: Finished difference Result 1800 states and 2611 transitions. [2022-02-15 00:50:20,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:20,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 155 [2022-02-15 00:50:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:20,088 INFO L225 Difference]: With dead ends: 1800 [2022-02-15 00:50:20,088 INFO L226 Difference]: Without dead ends: 1800 [2022-02-15 00:50:20,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:20,089 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 116 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:20,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 378 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:50:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2022-02-15 00:50:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1550. [2022-02-15 00:50:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1545 states have (on average 1.4614886731391585) internal successors, (2258), 1545 states have internal predecessors, (2258), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2262 transitions. [2022-02-15 00:50:20,107 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2262 transitions. Word has length 155 [2022-02-15 00:50:20,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:20,107 INFO L470 AbstractCegarLoop]: Abstraction has 1550 states and 2262 transitions. [2022-02-15 00:50:20,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2262 transitions. [2022-02-15 00:50:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-02-15 00:50:20,110 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:20,110 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:20,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 00:50:20,110 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:20,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:20,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1248589795, now seen corresponding path program 1 times [2022-02-15 00:50:20,111 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:20,111 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433705543] [2022-02-15 00:50:20,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:20,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-15 00:50:20,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:20,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433705543] [2022-02-15 00:50:20,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433705543] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:20,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:20,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:20,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532274720] [2022-02-15 00:50:20,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:20,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:20,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:20,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:20,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:20,224 INFO L87 Difference]: Start difference. First operand 1550 states and 2262 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:22,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:22,953 INFO L93 Difference]: Finished difference Result 1683 states and 2431 transitions. [2022-02-15 00:50:22,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:22,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 156 [2022-02-15 00:50:22,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:22,957 INFO L225 Difference]: With dead ends: 1683 [2022-02-15 00:50:22,957 INFO L226 Difference]: Without dead ends: 1683 [2022-02-15 00:50:22,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:22,957 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 115 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:22,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 378 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 00:50:22,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2022-02-15 00:50:22,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1548. [2022-02-15 00:50:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1548 states, 1543 states have (on average 1.4523655217109528) internal successors, (2241), 1543 states have internal predecessors, (2241), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 2245 transitions. [2022-02-15 00:50:22,972 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 2245 transitions. Word has length 156 [2022-02-15 00:50:22,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:22,972 INFO L470 AbstractCegarLoop]: Abstraction has 1548 states and 2245 transitions. [2022-02-15 00:50:22,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2245 transitions. [2022-02-15 00:50:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-02-15 00:50:22,975 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:22,975 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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] [2022-02-15 00:50:22,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 00:50:22,976 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:22,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:22,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1614304247, now seen corresponding path program 1 times [2022-02-15 00:50:22,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:22,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188479005] [2022-02-15 00:50:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:22,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:23,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:50:23,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:23,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188479005] [2022-02-15 00:50:23,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188479005] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:23,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:23,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:23,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10810736] [2022-02-15 00:50:23,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:23,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:23,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:23,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:23,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:23,118 INFO L87 Difference]: Start difference. First operand 1548 states and 2245 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:24,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:26,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:27,157 INFO L93 Difference]: Finished difference Result 1932 states and 2764 transitions. [2022-02-15 00:50:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:27,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-02-15 00:50:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:27,162 INFO L225 Difference]: With dead ends: 1932 [2022-02-15 00:50:27,162 INFO L226 Difference]: Without dead ends: 1932 [2022-02-15 00:50:27,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:27,162 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 124 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:27,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 440 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-02-15 00:50:27,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2022-02-15 00:50:27,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1652. [2022-02-15 00:50:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1647 states have (on average 1.4365513054037644) internal successors, (2366), 1647 states have internal predecessors, (2366), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2370 transitions. [2022-02-15 00:50:27,176 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2370 transitions. Word has length 158 [2022-02-15 00:50:27,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:27,176 INFO L470 AbstractCegarLoop]: Abstraction has 1652 states and 2370 transitions. [2022-02-15 00:50:27,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2370 transitions. [2022-02-15 00:50:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-02-15 00:50:27,179 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:27,179 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:27,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 00:50:27,179 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:27,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:27,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1346965296, now seen corresponding path program 1 times [2022-02-15 00:50:27,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:27,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218612261] [2022-02-15 00:50:27,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:27,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:50:27,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:27,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218612261] [2022-02-15 00:50:27,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218612261] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:27,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:27,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:27,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486325791] [2022-02-15 00:50:27,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:27,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:27,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:27,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:27,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:27,291 INFO L87 Difference]: Start difference. First operand 1652 states and 2370 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:29,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:29,926 INFO L93 Difference]: Finished difference Result 1695 states and 2423 transitions. [2022-02-15 00:50:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:29,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 159 [2022-02-15 00:50:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:29,931 INFO L225 Difference]: With dead ends: 1695 [2022-02-15 00:50:29,931 INFO L226 Difference]: Without dead ends: 1695 [2022-02-15 00:50:29,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:29,932 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 44 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:29,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 543 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 00:50:29,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2022-02-15 00:50:29,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1652. [2022-02-15 00:50:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1647 states have (on average 1.4347298117789922) internal successors, (2363), 1647 states have internal predecessors, (2363), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2367 transitions. [2022-02-15 00:50:29,949 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2367 transitions. Word has length 159 [2022-02-15 00:50:29,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:29,949 INFO L470 AbstractCegarLoop]: Abstraction has 1652 states and 2367 transitions. [2022-02-15 00:50:29,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2367 transitions. [2022-02-15 00:50:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-15 00:50:29,952 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:29,952 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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] [2022-02-15 00:50:29,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 00:50:29,952 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:29,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:29,953 INFO L85 PathProgramCache]: Analyzing trace with hash -759994909, now seen corresponding path program 1 times [2022-02-15 00:50:29,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:29,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881566713] [2022-02-15 00:50:29,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:50:30,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:30,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881566713] [2022-02-15 00:50:30,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881566713] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:30,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:30,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:30,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935921217] [2022-02-15 00:50:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:30,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:30,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:30,073 INFO L87 Difference]: Start difference. First operand 1652 states and 2367 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:32,764 INFO L93 Difference]: Finished difference Result 1865 states and 2646 transitions. [2022-02-15 00:50:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:32,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 162 [2022-02-15 00:50:32,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:32,770 INFO L225 Difference]: With dead ends: 1865 [2022-02-15 00:50:32,770 INFO L226 Difference]: Without dead ends: 1865 [2022-02-15 00:50:32,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:32,770 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 117 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:32,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 378 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 00:50:32,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2022-02-15 00:50:32,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1718. [2022-02-15 00:50:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1713 states have (on average 1.425569176882662) internal successors, (2442), 1713 states have internal predecessors, (2442), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2446 transitions. [2022-02-15 00:50:32,786 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2446 transitions. Word has length 162 [2022-02-15 00:50:32,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:32,786 INFO L470 AbstractCegarLoop]: Abstraction has 1718 states and 2446 transitions. [2022-02-15 00:50:32,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2446 transitions. [2022-02-15 00:50:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-02-15 00:50:32,789 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:32,789 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-02-15 00:50:32,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 00:50:32,789 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:32,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1002447303, now seen corresponding path program 1 times [2022-02-15 00:50:32,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:32,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727556015] [2022-02-15 00:50:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:32,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:50:32,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:32,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727556015] [2022-02-15 00:50:32,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727556015] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:32,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:32,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:32,926 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456364893] [2022-02-15 00:50:32,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:32,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:32,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:32,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:32,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:32,927 INFO L87 Difference]: Start difference. First operand 1718 states and 2446 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:35,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:36,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:36,203 INFO L93 Difference]: Finished difference Result 1565 states and 2217 transitions. [2022-02-15 00:50:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:36,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 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 163 [2022-02-15 00:50:36,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:36,208 INFO L225 Difference]: With dead ends: 1565 [2022-02-15 00:50:36,208 INFO L226 Difference]: Without dead ends: 1565 [2022-02-15 00:50:36,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:36,209 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 116 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:36,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 414 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-15 00:50:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-02-15 00:50:36,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1432. [2022-02-15 00:50:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1427 states have (on average 1.4218640504555011) internal successors, (2029), 1427 states have internal predecessors, (2029), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2033 transitions. [2022-02-15 00:50:36,227 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2033 transitions. Word has length 163 [2022-02-15 00:50:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:36,228 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2033 transitions. [2022-02-15 00:50:36,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2033 transitions. [2022-02-15 00:50:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-15 00:50:36,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:36,230 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:36,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 00:50:36,230 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:36,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:36,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1994642721, now seen corresponding path program 1 times [2022-02-15 00:50:36,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:36,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259711973] [2022-02-15 00:50:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:36,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-02-15 00:50:36,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:36,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259711973] [2022-02-15 00:50:36,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259711973] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:36,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:36,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:50:36,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811764188] [2022-02-15 00:50:36,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:36,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:50:36,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:36,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:50:36,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:50:36,354 INFO L87 Difference]: Start difference. First operand 1432 states and 2033 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:38,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:40,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:41,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:41,275 INFO L93 Difference]: Finished difference Result 1486 states and 2099 transitions. [2022-02-15 00:50:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:41,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 166 [2022-02-15 00:50:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:41,283 INFO L225 Difference]: With dead ends: 1486 [2022-02-15 00:50:41,283 INFO L226 Difference]: Without dead ends: 1486 [2022-02-15 00:50:41,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:41,285 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 29 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:41,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 592 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-02-15 00:50:41,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2022-02-15 00:50:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1432. [2022-02-15 00:50:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1427 states have (on average 1.4190609670637702) internal successors, (2025), 1427 states have internal predecessors, (2025), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2029 transitions. [2022-02-15 00:50:41,301 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2029 transitions. Word has length 166 [2022-02-15 00:50:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:41,301 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2029 transitions. [2022-02-15 00:50:41,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2029 transitions. [2022-02-15 00:50:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-02-15 00:50:41,303 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:41,303 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:41,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 00:50:41,303 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:41,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:41,304 INFO L85 PathProgramCache]: Analyzing trace with hash 380018882, now seen corresponding path program 1 times [2022-02-15 00:50:41,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:41,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164236184] [2022-02-15 00:50:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:41,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-02-15 00:50:41,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:41,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164236184] [2022-02-15 00:50:41,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164236184] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:41,724 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:41,724 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 00:50:41,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140920705] [2022-02-15 00:50:41,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:41,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 00:50:41,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:41,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 00:50:41,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 00:50:41,726 INFO L87 Difference]: Start difference. First operand 1432 states and 2029 transitions. Second operand has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-02-15 00:50:46,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:46,079 INFO L93 Difference]: Finished difference Result 1440 states and 2039 transitions. [2022-02-15 00:50:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 00:50:46,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 171 [2022-02-15 00:50:46,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:46,081 INFO L225 Difference]: With dead ends: 1440 [2022-02-15 00:50:46,081 INFO L226 Difference]: Without dead ends: 1432 [2022-02-15 00:50:46,082 INFO L932 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 [2022-02-15 00:50:46,082 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:46,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 862 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 00:50:46,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2022-02-15 00:50:46,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2022-02-15 00:50:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1427 states have (on average 1.4183601962158374) internal successors, (2024), 1427 states have internal predecessors, (2024), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2028 transitions. [2022-02-15 00:50:46,095 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2028 transitions. Word has length 171 [2022-02-15 00:50:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:46,095 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2028 transitions. [2022-02-15 00:50:46,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-02-15 00:50:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2028 transitions. [2022-02-15 00:50:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-02-15 00:50:46,098 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:46,098 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:46,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-15 00:50:46,098 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:46,099 INFO L85 PathProgramCache]: Analyzing trace with hash -581606333, now seen corresponding path program 1 times [2022-02-15 00:50:46,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:46,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727426677] [2022-02-15 00:50:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:46,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:47,237 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 14 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-15 00:50:47,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:47,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727426677] [2022-02-15 00:50:47,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727426677] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:50:47,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804229160] [2022-02-15 00:50:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:50:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:50:47,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:50:47,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-15 00:50:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:48,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 203 conjunts are in the unsatisfiable core [2022-02-15 00:50:48,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:50:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,429 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46405 treesize of output 30312 [2022-02-15 00:50:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,492 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8416 treesize of output 8435 [2022-02-15 00:50:48,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:48,617 INFO L353 Elim1Store]: treesize reduction 138, result has 16.9 percent of original size [2022-02-15 00:50:48,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 13313 treesize of output 5094 [2022-02-15 00:50:48,634 INFO L190 IndexEqualityManager]: detected not equals via solver