/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 00:41:30,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 00:41:30,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 00:41:30,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 00:41:30,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 00:41:30,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 00:41:30,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 00:41:30,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 00:41:30,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 00:41:30,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 00:41:30,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 00:41:30,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 00:41:30,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 00:41:30,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 00:41:30,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 00:41:30,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 00:41:30,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 00:41:30,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 00:41:30,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 00:41:30,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 00:41:30,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 00:41:30,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 00:41:30,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 00:41:30,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 00:41:30,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 00:41:30,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 00:41:30,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 00:41:30,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 00:41:30,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 00:41:30,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 00:41:30,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 00:41:30,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 00:41:30,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 00:41:30,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 00:41:30,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 00:41:30,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 00:41:30,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 00:41:30,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 00:41:30,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 00:41:30,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 00:41:30,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 00:41:30,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-15 00:41:30,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 00:41:30,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 00:41:30,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 00:41:30,352 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 00:41:30,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 00:41:30,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 00:41:30,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 00:41:30,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 00:41:30,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 00:41:30,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 00:41:30,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 00:41:30,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 00:41:30,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:41:30,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 00:41:30,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 00:41:30,355 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-15 00:41:30,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 00:41:30,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 00:41:30,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 00:41:30,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 00:41:30,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 00:41:30,646 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 00:41:30,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c [2022-02-15 00:41:30,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e130f4322/b0e18ee0572a4df9b7a5069734038963/FLAGb113b1fdf [2022-02-15 00:41:31,261 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 00:41:31,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c [2022-02-15 00:41:31,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e130f4322/b0e18ee0572a4df9b7a5069734038963/FLAGb113b1fdf [2022-02-15 00:41:31,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e130f4322/b0e18ee0572a4df9b7a5069734038963 [2022-02-15 00:41:31,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 00:41:31,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 00:41:31,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 00:41:31,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 00:41:31,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 00:41:31,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:41:31" (1/1) ... [2022-02-15 00:41:31,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a40884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:31, skipping insertion in model container [2022-02-15 00:41:31,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:41:31" (1/1) ... [2022-02-15 00:41:31,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 00:41:31,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 00:41:31,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2022-02-15 00:41:31,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:41:32,010 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 00:41:32,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2022-02-15 00:41:32,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:41:32,165 INFO L208 MainTranslator]: Completed translation [2022-02-15 00:41:32,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32 WrapperNode [2022-02-15 00:41:32,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 00:41:32,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 00:41:32,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 00:41:32,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 00:41:32,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 00:41:32,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 00:41:32,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 00:41:32,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 00:41:32,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (1/1) ... [2022-02-15 00:41:32,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:41:32,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:41:32,357 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 00:41:32,379 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 00:41:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 00:41:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 00:41:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 00:41:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-02-15 00:41:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-02-15 00:41:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 00:41:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-15 00:41:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 00:41:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 00:41:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 00:41:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 00:41:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 00:41:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 00:41:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 00:41:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 00:41:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 00:41:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 00:41:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 00:41:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 00:41:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 00:41:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 00:41:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 00:41:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 00:41:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 00:41:32,603 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 00:41:32,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 00:41:34,068 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 00:41:34,432 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-15 00:41:34,432 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-15 00:41:34,445 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 00:41:34,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 00:41:34,453 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 00:41:34,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:41:34 BoogieIcfgContainer [2022-02-15 00:41:34,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 00:41:34,456 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-15 00:41:34,456 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-15 00:41:34,457 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-15 00:41:34,474 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:41:34" (1/1) ... [2022-02-15 00:41:34,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:41:34 BasicIcfg [2022-02-15 00:41:34,523 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-15 00:41:34,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 00:41:34,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 00:41:34,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 00:41:34,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:41:31" (1/4) ... [2022-02-15 00:41:34,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5273e93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:41:34, skipping insertion in model container [2022-02-15 00:41:34,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:41:32" (2/4) ... [2022-02-15 00:41:34,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5273e93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:41:34, skipping insertion in model container [2022-02-15 00:41:34,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:41:34" (3/4) ... [2022-02-15 00:41:34,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5273e93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:41:34, skipping insertion in model container [2022-02-15 00:41:34,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:41:34" (4/4) ... [2022-02-15 00:41:34,533 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-2.cJordan [2022-02-15 00:41:34,538 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-15 00:41:34,539 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 00:41:34,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 00:41:34,591 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 00:41:34,591 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 00:41:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 00:41:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-15 00:41:34,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:34,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:34,623 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:34,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1582464962, now seen corresponding path program 1 times [2022-02-15 00:41:34,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:34,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697723464] [2022-02-15 00:41:34,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:34,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:35,418 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 00:41:35,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:35,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697723464] [2022-02-15 00:41:35,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697723464] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:35,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:35,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:35,421 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604042960] [2022-02-15 00:41:35,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:35,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:35,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:35,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:35,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:35,463 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:37,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:38,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:38,061 INFO L93 Difference]: Finished difference Result 142 states and 227 transitions. [2022-02-15 00:41:38,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:38,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-15 00:41:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:38,071 INFO L225 Difference]: With dead ends: 142 [2022-02-15 00:41:38,071 INFO L226 Difference]: Without dead ends: 122 [2022-02-15 00:41:38,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:41:38,075 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:38,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:41:38,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-02-15 00:41:38,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-02-15 00:41:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-02-15 00:41:38,112 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-02-15 00:41:38,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:38,112 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-02-15 00:41:38,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-02-15 00:41:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-15 00:41:38,114 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:38,114 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:38,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 00:41:38,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:38,115 INFO L85 PathProgramCache]: Analyzing trace with hash 826783867, now seen corresponding path program 1 times [2022-02-15 00:41:38,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:38,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643828244] [2022-02-15 00:41:38,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:38,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:38,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643828244] [2022-02-15 00:41:38,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643828244] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:38,357 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:38,357 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:41:38,358 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497972477] [2022-02-15 00:41:38,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:38,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:41:38,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:38,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:41:38,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:38,360 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:40,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:40,726 INFO L93 Difference]: Finished difference Result 222 states and 326 transitions. [2022-02-15 00:41:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:41:40,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-02-15 00:41:40,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:40,729 INFO L225 Difference]: With dead ends: 222 [2022-02-15 00:41:40,729 INFO L226 Difference]: Without dead ends: 222 [2022-02-15 00:41:40,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:41:40,731 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:40,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 319 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:41:40,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-02-15 00:41:40,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-02-15 00:41:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 217 states have (on average 1.4838709677419355) internal successors, (322), 217 states have internal predecessors, (322), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 326 transitions. [2022-02-15 00:41:40,746 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 326 transitions. Word has length 44 [2022-02-15 00:41:40,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:40,746 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 326 transitions. [2022-02-15 00:41:40,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 326 transitions. [2022-02-15 00:41:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-15 00:41:40,748 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:40,748 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:40,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 00:41:40,749 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:40,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:40,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2124287227, now seen corresponding path program 1 times [2022-02-15 00:41:40,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:40,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161073329] [2022-02-15 00:41:40,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:41,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:41,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161073329] [2022-02-15 00:41:41,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161073329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:41,022 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:41,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:41,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12761120] [2022-02-15 00:41:41,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:41,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:41,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:41,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:41,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:41,023 INFO L87 Difference]: Start difference. First operand 222 states and 326 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:43,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:43,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:43,535 INFO L93 Difference]: Finished difference Result 405 states and 600 transitions. [2022-02-15 00:41:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:43,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-02-15 00:41:43,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:43,538 INFO L225 Difference]: With dead ends: 405 [2022-02-15 00:41:43,539 INFO L226 Difference]: Without dead ends: 405 [2022-02-15 00:41:43,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:41:43,540 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:43,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 279 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:41:43,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-02-15 00:41:43,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 270. [2022-02-15 00:41:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.5320754716981133) internal successors, (406), 265 states have internal predecessors, (406), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 410 transitions. [2022-02-15 00:41:43,556 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 410 transitions. Word has length 59 [2022-02-15 00:41:43,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:43,557 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 410 transitions. [2022-02-15 00:41:43,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:43,557 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 410 transitions. [2022-02-15 00:41:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-15 00:41:43,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:43,559 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:43,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 00:41:43,560 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1429343706, now seen corresponding path program 1 times [2022-02-15 00:41:43,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:43,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412236477] [2022-02-15 00:41:43,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:43,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:43,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:43,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412236477] [2022-02-15 00:41:43,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412236477] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:43,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:43,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:43,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408130432] [2022-02-15 00:41:43,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:43,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:43,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:43,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:43,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:43,819 INFO L87 Difference]: Start difference. First operand 270 states and 410 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:45,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:46,242 INFO L93 Difference]: Finished difference Result 306 states and 464 transitions. [2022-02-15 00:41:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:46,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-02-15 00:41:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:46,245 INFO L225 Difference]: With dead ends: 306 [2022-02-15 00:41:46,245 INFO L226 Difference]: Without dead ends: 306 [2022-02-15 00:41:46,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:41:46,246 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:46,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 486 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-02-15 00:41:46,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2022-02-15 00:41:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.540636042402827) internal successors, (436), 283 states have internal predecessors, (436), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 440 transitions. [2022-02-15 00:41:46,257 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 440 transitions. Word has length 60 [2022-02-15 00:41:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:46,258 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 440 transitions. [2022-02-15 00:41:46,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 440 transitions. [2022-02-15 00:41:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-15 00:41:46,261 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:46,261 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:46,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 00:41:46,261 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:46,262 INFO L85 PathProgramCache]: Analyzing trace with hash -355167235, now seen corresponding path program 2 times [2022-02-15 00:41:46,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:46,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678757105] [2022-02-15 00:41:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:46,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:46,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678757105] [2022-02-15 00:41:46,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678757105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:46,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:46,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:46,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440735861] [2022-02-15 00:41:46,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:46,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:46,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:46,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:46,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:46,469 INFO L87 Difference]: Start difference. First operand 288 states and 440 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:48,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:48,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:48,900 INFO L93 Difference]: Finished difference Result 469 states and 709 transitions. [2022-02-15 00:41:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:48,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-02-15 00:41:48,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:48,903 INFO L225 Difference]: With dead ends: 469 [2022-02-15 00:41:48,903 INFO L226 Difference]: Without dead ends: 469 [2022-02-15 00:41:48,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:41:48,904 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 112 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:48,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 296 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:48,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-02-15 00:41:48,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 310. [2022-02-15 00:41:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.5245901639344261) internal successors, (465), 305 states have internal predecessors, (465), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 469 transitions. [2022-02-15 00:41:48,916 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 469 transitions. Word has length 74 [2022-02-15 00:41:48,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:48,916 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 469 transitions. [2022-02-15 00:41:48,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 469 transitions. [2022-02-15 00:41:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-15 00:41:48,919 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:48,919 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:48,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 00:41:48,919 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:48,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash -2014471139, now seen corresponding path program 1 times [2022-02-15 00:41:48,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:48,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509319425] [2022-02-15 00:41:48,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:48,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:49,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:49,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509319425] [2022-02-15 00:41:49,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509319425] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:49,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:49,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:49,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821509224] [2022-02-15 00:41:49,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:49,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:49,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:49,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:49,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:49,149 INFO L87 Difference]: Start difference. First operand 310 states and 469 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:51,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:53,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:55,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:56,358 INFO L93 Difference]: Finished difference Result 327 states and 491 transitions. [2022-02-15 00:41:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:56,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-02-15 00:41:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:56,360 INFO L225 Difference]: With dead ends: 327 [2022-02-15 00:41:56,360 INFO L226 Difference]: Without dead ends: 327 [2022-02-15 00:41:56,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:41:56,361 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 37 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:56,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 484 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2022-02-15 00:41:56,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-02-15 00:41:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 310. [2022-02-15 00:41:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.521311475409836) internal successors, (464), 305 states have internal predecessors, (464), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 468 transitions. [2022-02-15 00:41:56,370 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 468 transitions. Word has length 74 [2022-02-15 00:41:56,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:56,370 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 468 transitions. [2022-02-15 00:41:56,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 468 transitions. [2022-02-15 00:41:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-15 00:41:56,372 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:56,372 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:56,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 00:41:56,372 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:56,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:56,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1209548190, now seen corresponding path program 1 times [2022-02-15 00:41:56,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:56,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420195455] [2022-02-15 00:41:56,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:56,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:56,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:56,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420195455] [2022-02-15 00:41:56,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420195455] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:56,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:56,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:56,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450955655] [2022-02-15 00:41:56,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:56,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:56,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:56,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:56,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:56,593 INFO L87 Difference]: Start difference. First operand 310 states and 468 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:58,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:41:59,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:41:59,059 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2022-02-15 00:41:59,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:41:59,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-02-15 00:41:59,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:41:59,061 INFO L225 Difference]: With dead ends: 327 [2022-02-15 00:41:59,061 INFO L226 Difference]: Without dead ends: 327 [2022-02-15 00:41:59,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:41:59,062 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 35 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:41:59,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 482 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:41:59,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-02-15 00:41:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 310. [2022-02-15 00:41:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.518032786885246) internal successors, (463), 305 states have internal predecessors, (463), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 467 transitions. [2022-02-15 00:41:59,070 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 467 transitions. Word has length 75 [2022-02-15 00:41:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:41:59,070 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 467 transitions. [2022-02-15 00:41:59,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:41:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 467 transitions. [2022-02-15 00:41:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-15 00:41:59,071 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:41:59,071 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:41:59,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 00:41:59,072 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:41:59,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:41:59,072 INFO L85 PathProgramCache]: Analyzing trace with hash -521867967, now seen corresponding path program 1 times [2022-02-15 00:41:59,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:41:59,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247433143] [2022-02-15 00:41:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:41:59,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:41:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:41:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:41:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:41:59,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:41:59,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247433143] [2022-02-15 00:41:59,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247433143] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:41:59,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:41:59,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:41:59,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317255233] [2022-02-15 00:41:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:41:59,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:41:59,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:41:59,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:41:59,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:41:59,332 INFO L87 Difference]: Start difference. First operand 310 states and 467 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:01,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:01,797 INFO L93 Difference]: Finished difference Result 470 states and 703 transitions. [2022-02-15 00:42:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-02-15 00:42:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:01,800 INFO L225 Difference]: With dead ends: 470 [2022-02-15 00:42:01,800 INFO L226 Difference]: Without dead ends: 470 [2022-02-15 00:42:01,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:01,801 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 117 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:01,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-02-15 00:42:01,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 316. [2022-02-15 00:42:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5112540192926045) internal successors, (470), 311 states have internal predecessors, (470), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 474 transitions. [2022-02-15 00:42:01,810 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 474 transitions. Word has length 76 [2022-02-15 00:42:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:01,811 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 474 transitions. [2022-02-15 00:42:01,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 474 transitions. [2022-02-15 00:42:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 00:42:01,816 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:01,816 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:01,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 00:42:01,817 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:01,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:01,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1603761471, now seen corresponding path program 1 times [2022-02-15 00:42:01,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:01,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514980315] [2022-02-15 00:42:01,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:42:02,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:02,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514980315] [2022-02-15 00:42:02,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514980315] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:02,048 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:02,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:02,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833243630] [2022-02-15 00:42:02,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:02,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:02,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:02,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:02,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:02,050 INFO L87 Difference]: Start difference. First operand 316 states and 474 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:04,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:04,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:04,445 INFO L93 Difference]: Finished difference Result 470 states and 698 transitions. [2022-02-15 00:42:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:04,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-02-15 00:42:04,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:04,448 INFO L225 Difference]: With dead ends: 470 [2022-02-15 00:42:04,448 INFO L226 Difference]: Without dead ends: 470 [2022-02-15 00:42:04,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:04,449 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:04,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-02-15 00:42:04,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 318. [2022-02-15 00:42:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 313 states have (on average 1.4984025559105432) internal successors, (469), 313 states have internal predecessors, (469), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 473 transitions. [2022-02-15 00:42:04,458 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 473 transitions. Word has length 77 [2022-02-15 00:42:04,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:04,458 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 473 transitions. [2022-02-15 00:42:04,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 473 transitions. [2022-02-15 00:42:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 00:42:04,459 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:04,459 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:04,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 00:42:04,459 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:04,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:04,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1287469101, now seen corresponding path program 1 times [2022-02-15 00:42:04,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:04,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142089028] [2022-02-15 00:42:04,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:04,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:04,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-15 00:42:04,708 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:04,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142089028] [2022-02-15 00:42:04,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142089028] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:04,709 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:04,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:42:04,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201564738] [2022-02-15 00:42:04,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:04,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:04,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:04,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:04,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:42:04,710 INFO L87 Difference]: Start difference. First operand 318 states and 473 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:06,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:07,141 INFO L93 Difference]: Finished difference Result 477 states and 709 transitions. [2022-02-15 00:42:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:07,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-15 00:42:07,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:07,144 INFO L225 Difference]: With dead ends: 477 [2022-02-15 00:42:07,144 INFO L226 Difference]: Without dead ends: 477 [2022-02-15 00:42:07,144 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 00:42:07,145 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:07,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:07,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2022-02-15 00:42:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2022-02-15 00:42:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 472 states have (on average 1.49364406779661) internal successors, (705), 472 states have internal predecessors, (705), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 709 transitions. [2022-02-15 00:42:07,155 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 709 transitions. Word has length 78 [2022-02-15 00:42:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:07,155 INFO L470 AbstractCegarLoop]: Abstraction has 477 states and 709 transitions. [2022-02-15 00:42:07,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 709 transitions. [2022-02-15 00:42:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-15 00:42:07,157 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:07,157 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:07,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 00:42:07,157 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1922297200, now seen corresponding path program 1 times [2022-02-15 00:42:07,158 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:07,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255256570] [2022-02-15 00:42:07,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:07,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 00:42:07,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:07,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255256570] [2022-02-15 00:42:07,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255256570] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:07,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:07,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:42:07,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592075884] [2022-02-15 00:42:07,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:07,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:07,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:07,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:07,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:42:07,320 INFO L87 Difference]: Start difference. First operand 477 states and 709 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:09,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:09,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:09,605 INFO L93 Difference]: Finished difference Result 501 states and 741 transitions. [2022-02-15 00:42:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:09,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-02-15 00:42:09,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:09,608 INFO L225 Difference]: With dead ends: 501 [2022-02-15 00:42:09,608 INFO L226 Difference]: Without dead ends: 501 [2022-02-15 00:42:09,608 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 00:42:09,609 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 15 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:09,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 359 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:09,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-02-15 00:42:09,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2022-02-15 00:42:09,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 496 states have (on average 1.4858870967741935) internal successors, (737), 496 states have internal predecessors, (737), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:09,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 741 transitions. [2022-02-15 00:42:09,620 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 741 transitions. Word has length 79 [2022-02-15 00:42:09,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:09,621 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 741 transitions. [2022-02-15 00:42:09,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 741 transitions. [2022-02-15 00:42:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-15 00:42:09,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:09,622 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:09,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 00:42:09,623 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:09,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:09,623 INFO L85 PathProgramCache]: Analyzing trace with hash 323298634, now seen corresponding path program 1 times [2022-02-15 00:42:09,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:09,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313747746] [2022-02-15 00:42:09,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-15 00:42:09,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:09,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313747746] [2022-02-15 00:42:09,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313747746] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:09,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:09,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:42:09,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268655614] [2022-02-15 00:42:09,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:09,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:09,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:09,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:09,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:42:09,847 INFO L87 Difference]: Start difference. First operand 501 states and 741 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:11,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:12,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:12,272 INFO L93 Difference]: Finished difference Result 644 states and 954 transitions. [2022-02-15 00:42:12,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:12,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-02-15 00:42:12,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:12,275 INFO L225 Difference]: With dead ends: 644 [2022-02-15 00:42:12,276 INFO L226 Difference]: Without dead ends: 644 [2022-02-15 00:42:12,276 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 00:42:12,276 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:12,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:12,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2022-02-15 00:42:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2022-02-15 00:42:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 639 states have (on average 1.486697965571205) internal successors, (950), 639 states have internal predecessors, (950), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 954 transitions. [2022-02-15 00:42:12,291 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 954 transitions. Word has length 98 [2022-02-15 00:42:12,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:12,291 INFO L470 AbstractCegarLoop]: Abstraction has 644 states and 954 transitions. [2022-02-15 00:42:12,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 954 transitions. [2022-02-15 00:42:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-15 00:42:12,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:12,293 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:12,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 00:42:12,293 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:12,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:12,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1372430939, now seen corresponding path program 1 times [2022-02-15 00:42:12,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:12,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847597426] [2022-02-15 00:42:12,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-15 00:42:12,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:12,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847597426] [2022-02-15 00:42:12,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847597426] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:12,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:12,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:42:12,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294460027] [2022-02-15 00:42:12,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:12,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:12,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:12,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:12,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:42:12,502 INFO L87 Difference]: Start difference. First operand 644 states and 954 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:14,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:14,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:14,904 INFO L93 Difference]: Finished difference Result 801 states and 1187 transitions. [2022-02-15 00:42:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:14,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-02-15 00:42:14,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:14,908 INFO L225 Difference]: With dead ends: 801 [2022-02-15 00:42:14,908 INFO L226 Difference]: Without dead ends: 801 [2022-02-15 00:42:14,908 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 00:42:14,909 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 124 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:14,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 474 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:14,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-02-15 00:42:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2022-02-15 00:42:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 796 states have (on average 1.486180904522613) internal successors, (1183), 796 states have internal predecessors, (1183), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1187 transitions. [2022-02-15 00:42:14,926 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1187 transitions. Word has length 118 [2022-02-15 00:42:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:14,926 INFO L470 AbstractCegarLoop]: Abstraction has 801 states and 1187 transitions. [2022-02-15 00:42:14,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1187 transitions. [2022-02-15 00:42:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-02-15 00:42:14,928 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:14,928 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:14,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 00:42:14,929 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:14,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:14,929 INFO L85 PathProgramCache]: Analyzing trace with hash 980632858, now seen corresponding path program 1 times [2022-02-15 00:42:14,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:14,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831213975] [2022-02-15 00:42:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:14,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:42:15,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:15,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831213975] [2022-02-15 00:42:15,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831213975] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:15,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:15,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:15,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578850690] [2022-02-15 00:42:15,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:15,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:15,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:15,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:15,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:15,195 INFO L87 Difference]: Start difference. First operand 801 states and 1187 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:17,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:17,610 INFO L93 Difference]: Finished difference Result 1266 states and 1868 transitions. [2022-02-15 00:42:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 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 138 [2022-02-15 00:42:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:17,616 INFO L225 Difference]: With dead ends: 1266 [2022-02-15 00:42:17,616 INFO L226 Difference]: Without dead ends: 1266 [2022-02-15 00:42:17,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:17,617 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 110 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:17,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 280 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:17,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2022-02-15 00:42:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 905. [2022-02-15 00:42:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 900 states have (on average 1.4955555555555555) internal successors, (1346), 900 states have internal predecessors, (1346), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1350 transitions. [2022-02-15 00:42:17,638 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1350 transitions. Word has length 138 [2022-02-15 00:42:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:17,639 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1350 transitions. [2022-02-15 00:42:17,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1350 transitions. [2022-02-15 00:42:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-02-15 00:42:17,641 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:17,641 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:17,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 00:42:17,642 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:17,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:17,642 INFO L85 PathProgramCache]: Analyzing trace with hash -228609381, now seen corresponding path program 1 times [2022-02-15 00:42:17,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:17,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5320082] [2022-02-15 00:42:17,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:17,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 157 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-02-15 00:42:17,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:17,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5320082] [2022-02-15 00:42:17,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5320082] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:17,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149647132] [2022-02-15 00:42:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:42:17,883 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 00:42:17,902 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 00:42:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:18,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 00:42:18,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:42:18,912 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:42:18,913 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:42:18,920 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:42:18,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:18,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:19,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-02-15 00:42:19,087 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-15 00:42:19,142 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:42:19,143 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:19,251 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:42:19,251 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-15 00:42:19,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 123 proven. 40 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-02-15 00:42:19,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:42:19,489 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-02-15 00:42:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-15 00:42:19,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149647132] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:19,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:42:19,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:42:19,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101009633] [2022-02-15 00:42:19,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:19,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:19,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:19,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:19,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:42:19,622 INFO L87 Difference]: Start difference. First operand 905 states and 1350 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:21,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:21,922 INFO L93 Difference]: Finished difference Result 1250 states and 1827 transitions. [2022-02-15 00:42:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:21,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2022-02-15 00:42:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:21,928 INFO L225 Difference]: With dead ends: 1250 [2022-02-15 00:42:21,928 INFO L226 Difference]: Without dead ends: 1250 [2022-02-15 00:42:21,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:42:21,929 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 109 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:21,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 288 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:21,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-02-15 00:42:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 905. [2022-02-15 00:42:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 900 states have (on average 1.481111111111111) internal successors, (1333), 900 states have internal predecessors, (1333), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1337 transitions. [2022-02-15 00:42:21,948 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1337 transitions. Word has length 138 [2022-02-15 00:42:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:21,949 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1337 transitions. [2022-02-15 00:42:21,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1337 transitions. [2022-02-15 00:42:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-02-15 00:42:21,951 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:21,951 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:21,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-15 00:42:22,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-15 00:42:22,176 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash -283198941, now seen corresponding path program 1 times [2022-02-15 00:42:22,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:22,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304023110] [2022-02-15 00:42:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:22,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 158 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:42:22,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:22,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304023110] [2022-02-15 00:42:22,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304023110] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:22,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195607506] [2022-02-15 00:42:22,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:22,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:42:22,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:42:22,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 00:42:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:23,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 00:42:23,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:42:23,403 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:42:23,403 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:42:23,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:42:23,417 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:23,426 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:23,568 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-15 00:42:23,574 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-15 00:42:23,598 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-15 00:42:23,641 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:42:23,643 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:23,753 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:42:23,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-15 00:42:23,805 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 126 proven. 40 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-02-15 00:42:23,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:42:23,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-02-15 00:42:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-15 00:42:24,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195607506] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:24,077 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:42:24,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:42:24,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997780820] [2022-02-15 00:42:24,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:24,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:24,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:24,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:24,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:42:24,080 INFO L87 Difference]: Start difference. First operand 905 states and 1337 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:26,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:26,359 INFO L93 Difference]: Finished difference Result 1245 states and 1808 transitions. [2022-02-15 00:42:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:26,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 139 [2022-02-15 00:42:26,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:26,364 INFO L225 Difference]: With dead ends: 1245 [2022-02-15 00:42:26,364 INFO L226 Difference]: Without dead ends: 1245 [2022-02-15 00:42:26,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:42:26,365 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 110 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:26,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 286 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:26,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2022-02-15 00:42:26,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 905. [2022-02-15 00:42:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 900 states have (on average 1.4666666666666666) internal successors, (1320), 900 states have internal predecessors, (1320), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1324 transitions. [2022-02-15 00:42:26,388 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1324 transitions. Word has length 139 [2022-02-15 00:42:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:26,388 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1324 transitions. [2022-02-15 00:42:26,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1324 transitions. [2022-02-15 00:42:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-15 00:42:26,391 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:26,391 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 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] [2022-02-15 00:42:26,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 00:42:26,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-15 00:42:26,606 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash 575400678, now seen corresponding path program 1 times [2022-02-15 00:42:26,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:26,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415934541] [2022-02-15 00:42:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-15 00:42:26,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:26,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415934541] [2022-02-15 00:42:26,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415934541] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:26,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:26,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:26,840 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835454892] [2022-02-15 00:42:26,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:26,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:26,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:26,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:26,841 INFO L87 Difference]: Start difference. First operand 905 states and 1324 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:28,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:29,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:29,341 INFO L93 Difference]: Finished difference Result 1168 states and 1698 transitions. [2022-02-15 00:42:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:29,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-02-15 00:42:29,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:29,345 INFO L225 Difference]: With dead ends: 1168 [2022-02-15 00:42:29,346 INFO L226 Difference]: Without dead ends: 1168 [2022-02-15 00:42:29,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:29,346 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 93 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:29,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 557 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 523 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:42:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-02-15 00:42:29,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 905. [2022-02-15 00:42:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 900 states have (on average 1.4622222222222223) internal successors, (1316), 900 states have internal predecessors, (1316), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1320 transitions. [2022-02-15 00:42:29,364 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1320 transitions. Word has length 153 [2022-02-15 00:42:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:29,364 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1320 transitions. [2022-02-15 00:42:29,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1320 transitions. [2022-02-15 00:42:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-02-15 00:42:29,367 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:29,367 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:29,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 00:42:29,367 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:29,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:29,368 INFO L85 PathProgramCache]: Analyzing trace with hash -958882083, now seen corresponding path program 1 times [2022-02-15 00:42:29,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:29,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478817626] [2022-02-15 00:42:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:29,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-15 00:42:29,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:29,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478817626] [2022-02-15 00:42:29,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478817626] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:29,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:29,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:29,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182867730] [2022-02-15 00:42:29,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:29,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:29,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:29,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:29,585 INFO L87 Difference]: Start difference. First operand 905 states and 1320 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:31,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:32,076 INFO L93 Difference]: Finished difference Result 1365 states and 1966 transitions. [2022-02-15 00:42:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:32,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-02-15 00:42:32,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:32,080 INFO L225 Difference]: With dead ends: 1365 [2022-02-15 00:42:32,080 INFO L226 Difference]: Without dead ends: 1365 [2022-02-15 00:42:32,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:32,081 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 111 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:32,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 494 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 496 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:42:32,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2022-02-15 00:42:32,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 990. [2022-02-15 00:42:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 985 states have (on average 1.449746192893401) internal successors, (1428), 985 states have internal predecessors, (1428), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1432 transitions. [2022-02-15 00:42:32,100 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1432 transitions. Word has length 154 [2022-02-15 00:42:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:32,100 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1432 transitions. [2022-02-15 00:42:32,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1432 transitions. [2022-02-15 00:42:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-02-15 00:42:32,103 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:32,103 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:32,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 00:42:32,103 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:32,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:32,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1282635689, now seen corresponding path program 1 times [2022-02-15 00:42:32,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:32,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923505121] [2022-02-15 00:42:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:32,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-02-15 00:42:32,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:32,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923505121] [2022-02-15 00:42:32,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923505121] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:32,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:32,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:32,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086922642] [2022-02-15 00:42:32,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:32,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:32,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:32,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:32,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:32,326 INFO L87 Difference]: Start difference. First operand 990 states and 1432 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:34,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:34,817 INFO L93 Difference]: Finished difference Result 1241 states and 1793 transitions. [2022-02-15 00:42:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:34,817 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 167 [2022-02-15 00:42:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:34,821 INFO L225 Difference]: With dead ends: 1241 [2022-02-15 00:42:34,821 INFO L226 Difference]: Without dead ends: 1241 [2022-02-15 00:42:34,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:34,822 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 93 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:34,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 549 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 512 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:42:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-02-15 00:42:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 990. [2022-02-15 00:42:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 985 states have (on average 1.4456852791878172) internal successors, (1424), 985 states have internal predecessors, (1424), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1428 transitions. [2022-02-15 00:42:34,839 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1428 transitions. Word has length 167 [2022-02-15 00:42:34,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:34,839 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1428 transitions. [2022-02-15 00:42:34,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1428 transitions. [2022-02-15 00:42:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-15 00:42:34,842 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:34,842 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:34,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 00:42:34,842 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:34,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:34,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1619391008, now seen corresponding path program 1 times [2022-02-15 00:42:34,843 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:34,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341892178] [2022-02-15 00:42:34,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-02-15 00:42:35,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:35,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341892178] [2022-02-15 00:42:35,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341892178] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:35,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:35,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:35,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347643982] [2022-02-15 00:42:35,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:35,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:35,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:35,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:35,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:35,098 INFO L87 Difference]: Start difference. First operand 990 states and 1428 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 00:42:37,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:37,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:37,487 INFO L93 Difference]: Finished difference Result 1330 states and 1894 transitions. [2022-02-15 00:42:37,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:37,488 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 168 [2022-02-15 00:42:37,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:37,491 INFO L225 Difference]: With dead ends: 1330 [2022-02-15 00:42:37,491 INFO L226 Difference]: Without dead ends: 1330 [2022-02-15 00:42:37,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:37,492 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 115 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:37,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 304 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:37,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-02-15 00:42:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 990. [2022-02-15 00:42:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 985 states have (on average 1.4274111675126904) internal successors, (1406), 985 states have internal predecessors, (1406), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1410 transitions. [2022-02-15 00:42:37,510 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1410 transitions. Word has length 168 [2022-02-15 00:42:37,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:37,511 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1410 transitions. [2022-02-15 00:42:37,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1410 transitions. [2022-02-15 00:42:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-15 00:42:37,513 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:37,513 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:37,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 00:42:37,514 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:37,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1646862290, now seen corresponding path program 1 times [2022-02-15 00:42:37,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:37,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430036225] [2022-02-15 00:42:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:37,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-02-15 00:42:37,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:37,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430036225] [2022-02-15 00:42:37,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430036225] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:37,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:37,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:37,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675935413] [2022-02-15 00:42:37,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:37,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:37,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:37,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:37,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:37,721 INFO L87 Difference]: Start difference. First operand 990 states and 1410 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:39,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:40,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:40,127 INFO L93 Difference]: Finished difference Result 1325 states and 1879 transitions. [2022-02-15 00:42:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:40,128 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 172 [2022-02-15 00:42:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:40,132 INFO L225 Difference]: With dead ends: 1325 [2022-02-15 00:42:40,132 INFO L226 Difference]: Without dead ends: 1325 [2022-02-15 00:42:40,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:40,132 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 106 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:40,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 286 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:40,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-02-15 00:42:40,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 994. [2022-02-15 00:42:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 989 states have (on average 1.4206268958543984) internal successors, (1405), 989 states have internal predecessors, (1405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1409 transitions. [2022-02-15 00:42:40,149 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1409 transitions. Word has length 172 [2022-02-15 00:42:40,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:40,149 INFO L470 AbstractCegarLoop]: Abstraction has 994 states and 1409 transitions. [2022-02-15 00:42:40,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1409 transitions. [2022-02-15 00:42:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 00:42:40,152 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:40,152 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:40,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 00:42:40,152 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:40,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:40,153 INFO L85 PathProgramCache]: Analyzing trace with hash 198486356, now seen corresponding path program 1 times [2022-02-15 00:42:40,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:40,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649927510] [2022-02-15 00:42:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:40,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-15 00:42:40,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:40,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649927510] [2022-02-15 00:42:40,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649927510] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:40,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:40,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:40,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833130215] [2022-02-15 00:42:40,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:40,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:40,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:40,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:40,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:40,375 INFO L87 Difference]: Start difference. First operand 994 states and 1409 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:42,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:42,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:42,777 INFO L93 Difference]: Finished difference Result 1455 states and 2049 transitions. [2022-02-15 00:42:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:42,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-02-15 00:42:42,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:42,782 INFO L225 Difference]: With dead ends: 1455 [2022-02-15 00:42:42,782 INFO L226 Difference]: Without dead ends: 1455 [2022-02-15 00:42:42,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:42,782 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 90 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:42,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 286 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 391 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:42:42,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2022-02-15 00:42:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1196. [2022-02-15 00:42:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1191 states have (on average 1.4433249370277077) internal successors, (1719), 1191 states have internal predecessors, (1719), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1723 transitions. [2022-02-15 00:42:42,806 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1723 transitions. Word has length 174 [2022-02-15 00:42:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:42,807 INFO L470 AbstractCegarLoop]: Abstraction has 1196 states and 1723 transitions. [2022-02-15 00:42:42,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1723 transitions. [2022-02-15 00:42:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-02-15 00:42:42,812 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:42,812 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:42,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 00:42:42,812 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:42,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1310232393, now seen corresponding path program 1 times [2022-02-15 00:42:42,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:42,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360424456] [2022-02-15 00:42:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:42,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 245 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-02-15 00:42:43,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:43,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360424456] [2022-02-15 00:42:43,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360424456] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:43,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045223783] [2022-02-15 00:42:43,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:43,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:42:43,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:42:43,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 00:42:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:44,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-15 00:42:44,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:42:44,242 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:42:44,243 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:42:44,247 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:42:44,253 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:44,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:44,340 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-15 00:42:44,379 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:42:44,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:44,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-15 00:42:44,582 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:42:44,583 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-02-15 00:42:44,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 98 proven. 70 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-02-15 00:42:44,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:42:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-02-15 00:42:44,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045223783] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:44,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:42:44,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:42:44,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875353013] [2022-02-15 00:42:44,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:44,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:44,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:44,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:42:44,920 INFO L87 Difference]: Start difference. First operand 1196 states and 1723 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:46,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:47,226 INFO L93 Difference]: Finished difference Result 1761 states and 2540 transitions. [2022-02-15 00:42:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:47,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 175 [2022-02-15 00:42:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:47,231 INFO L225 Difference]: With dead ends: 1761 [2022-02-15 00:42:47,231 INFO L226 Difference]: Without dead ends: 1761 [2022-02-15 00:42:47,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:42:47,232 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 79 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:47,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 511 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-02-15 00:42:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1446. [2022-02-15 00:42:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1441 states have (on average 1.4288688410825816) internal successors, (2059), 1441 states have internal predecessors, (2059), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2063 transitions. [2022-02-15 00:42:47,252 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2063 transitions. Word has length 175 [2022-02-15 00:42:47,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:47,252 INFO L470 AbstractCegarLoop]: Abstraction has 1446 states and 2063 transitions. [2022-02-15 00:42:47,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2063 transitions. [2022-02-15 00:42:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-02-15 00:42:47,255 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:47,256 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 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] [2022-02-15 00:42:47,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-15 00:42:47,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:47,477 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:47,478 INFO L85 PathProgramCache]: Analyzing trace with hash -766976950, now seen corresponding path program 1 times [2022-02-15 00:42:47,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:47,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920202996] [2022-02-15 00:42:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:47,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-02-15 00:42:47,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:47,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920202996] [2022-02-15 00:42:47,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920202996] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:47,723 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:47,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:47,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588540949] [2022-02-15 00:42:47,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:47,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:47,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:47,724 INFO L87 Difference]: Start difference. First operand 1446 states and 2063 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:49,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:50,053 INFO L93 Difference]: Finished difference Result 1513 states and 2140 transitions. [2022-02-15 00:42:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:50,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 175 [2022-02-15 00:42:50,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:50,057 INFO L225 Difference]: With dead ends: 1513 [2022-02-15 00:42:50,058 INFO L226 Difference]: Without dead ends: 1513 [2022-02-15 00:42:50,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:50,058 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 27 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:50,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 471 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2022-02-15 00:42:50,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1446. [2022-02-15 00:42:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1441 states have (on average 1.4260929909784872) internal successors, (2055), 1441 states have internal predecessors, (2055), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2059 transitions. [2022-02-15 00:42:50,078 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2059 transitions. Word has length 175 [2022-02-15 00:42:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:50,078 INFO L470 AbstractCegarLoop]: Abstraction has 1446 states and 2059 transitions. [2022-02-15 00:42:50,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2059 transitions. [2022-02-15 00:42:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-15 00:42:50,081 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:50,081 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:50,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 00:42:50,082 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:50,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:50,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2097246028, now seen corresponding path program 1 times [2022-02-15 00:42:50,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:50,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772261450] [2022-02-15 00:42:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:50,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 304 proven. 1 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-02-15 00:42:50,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:50,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772261450] [2022-02-15 00:42:50,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772261450] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:50,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357311428] [2022-02-15 00:42:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:50,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:50,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:42:50,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:42:50,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 00:42:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:51,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-15 00:42:51,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:42:51,691 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:42:51,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:42:51,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:42:51,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:51,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:51,835 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-15 00:42:51,884 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:42:51,884 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:52,061 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-15 00:42:52,084 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:42:52,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-02-15 00:42:52,104 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 167 proven. 67 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-02-15 00:42:52,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:42:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-02-15 00:42:52,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357311428] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:52,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:42:52,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:42:52,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116824535] [2022-02-15 00:42:52,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:52,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:52,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:52,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:52,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:42:52,363 INFO L87 Difference]: Start difference. First operand 1446 states and 2059 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:54,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:54,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:54,611 INFO L93 Difference]: Finished difference Result 1765 states and 2476 transitions. [2022-02-15 00:42:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:42:54,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-02-15 00:42:54,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:54,616 INFO L225 Difference]: With dead ends: 1765 [2022-02-15 00:42:54,616 INFO L226 Difference]: Without dead ends: 1765 [2022-02-15 00:42:54,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 380 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:42:54,616 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 115 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:54,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 288 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:42:54,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-02-15 00:42:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1446. [2022-02-15 00:42:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1441 states have (on average 1.4059680777238028) internal successors, (2026), 1441 states have internal predecessors, (2026), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2030 transitions. [2022-02-15 00:42:54,635 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2030 transitions. Word has length 189 [2022-02-15 00:42:54,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:54,636 INFO L470 AbstractCegarLoop]: Abstraction has 1446 states and 2030 transitions. [2022-02-15 00:42:54,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2030 transitions. [2022-02-15 00:42:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-02-15 00:42:54,639 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:54,639 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:54,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-15 00:42:54,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:54,857 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:54,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:54,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1928756836, now seen corresponding path program 1 times [2022-02-15 00:42:54,858 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:54,858 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027149822] [2022-02-15 00:42:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:54,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-02-15 00:42:55,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:55,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027149822] [2022-02-15 00:42:55,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027149822] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:42:55,105 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:42:55,105 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:42:55,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661425758] [2022-02-15 00:42:55,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:55,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:42:55,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:55,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:42:55,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:42:55,106 INFO L87 Difference]: Start difference. First operand 1446 states and 2030 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:57,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:42:57,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:42:57,421 INFO L93 Difference]: Finished difference Result 1585 states and 2201 transitions. [2022-02-15 00:42:57,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:42:57,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 193 [2022-02-15 00:42:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:42:57,426 INFO L225 Difference]: With dead ends: 1585 [2022-02-15 00:42:57,427 INFO L226 Difference]: Without dead ends: 1585 [2022-02-15 00:42:57,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:42:57,427 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 16 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:42:57,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 464 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 334 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:42:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2022-02-15 00:42:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1556. [2022-02-15 00:42:57,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1551 states have (on average 1.3965183752417796) internal successors, (2166), 1551 states have internal predecessors, (2166), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2170 transitions. [2022-02-15 00:42:57,443 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2170 transitions. Word has length 193 [2022-02-15 00:42:57,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:42:57,444 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2170 transitions. [2022-02-15 00:42:57,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:42:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2170 transitions. [2022-02-15 00:42:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-02-15 00:42:57,447 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:42:57,447 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:42:57,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 00:42:57,447 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:42:57,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:42:57,447 INFO L85 PathProgramCache]: Analyzing trace with hash 247734053, now seen corresponding path program 1 times [2022-02-15 00:42:57,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:42:57,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877639669] [2022-02-15 00:42:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:57,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:42:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:42:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-02-15 00:42:57,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:42:57,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877639669] [2022-02-15 00:42:57,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877639669] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:57,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573990191] [2022-02-15 00:42:57,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:42:57,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:42:57,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:42:57,696 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:42:57,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 00:42:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:42:58,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1941 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-15 00:42:58,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:42:58,999 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:42:59,000 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:42:59,002 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:42:59,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:59,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:42:59,111 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-15 00:42:59,145 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-15 00:42:59,148 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-15 00:42:59,190 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:42:59,191 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:59,327 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-15 00:42:59,347 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:42:59,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-02-15 00:42:59,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:42:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 219 proven. 70 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-02-15 00:42:59,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:42:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-02-15 00:42:59,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573990191] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:42:59,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:42:59,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:42:59,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456127817] [2022-02-15 00:42:59,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:42:59,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:42:59,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:42:59,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:42:59,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:42:59,652 INFO L87 Difference]: Start difference. First operand 1556 states and 2170 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:43:01,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:01,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:01,886 INFO L93 Difference]: Finished difference Result 1844 states and 2600 transitions. [2022-02-15 00:43:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:43:01,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 195 [2022-02-15 00:43:01,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:01,892 INFO L225 Difference]: With dead ends: 1844 [2022-02-15 00:43:01,892 INFO L226 Difference]: Without dead ends: 1844 [2022-02-15 00:43:01,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:43:01,893 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 80 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:01,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 500 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:43:01,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2022-02-15 00:43:01,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1556. [2022-02-15 00:43:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1551 states have (on average 1.38749194068343) internal successors, (2152), 1551 states have internal predecessors, (2152), 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 00:43:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2156 transitions. [2022-02-15 00:43:01,913 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2156 transitions. Word has length 195 [2022-02-15 00:43:01,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:01,914 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2156 transitions. [2022-02-15 00:43:01,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:43:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2156 transitions. [2022-02-15 00:43:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-15 00:43:01,917 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:01,917 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 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] [2022-02-15 00:43:01,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-15 00:43:02,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-02-15 00:43:02,144 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:02,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:02,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1320162453, now seen corresponding path program 1 times [2022-02-15 00:43:02,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:02,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779573550] [2022-02-15 00:43:02,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:02,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 350 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-02-15 00:43:02,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:02,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779573550] [2022-02-15 00:43:02,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779573550] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:43:02,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841456916] [2022-02-15 00:43:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:02,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:43:02,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:43:02,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:43:02,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 00:43:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:03,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-15 00:43:03,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:43:03,750 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:43:03,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:43:03,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:43:03,759 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:43:03,764 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:43:03,836 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-02-15 00:43:03,840 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-15 00:43:03,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-15 00:43:03,927 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:43:03,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:43:04,081 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-15 00:43:04,101 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:43:04,102 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-02-15 00:43:04,139 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:43:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 221 proven. 70 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-02-15 00:43:04,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:43:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-02-15 00:43:04,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841456916] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:43:04,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:43:04,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:43:04,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542899079] [2022-02-15 00:43:04,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:04,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:43:04,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:04,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:43:04,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:43:04,438 INFO L87 Difference]: Start difference. First operand 1556 states and 2156 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:43:06,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:06,686 INFO L93 Difference]: Finished difference Result 1830 states and 2571 transitions. [2022-02-15 00:43:06,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:43:06,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 196 [2022-02-15 00:43:06,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:06,691 INFO L225 Difference]: With dead ends: 1830 [2022-02-15 00:43:06,691 INFO L226 Difference]: Without dead ends: 1830 [2022-02-15 00:43:06,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:43:06,692 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 75 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:06,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 496 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:43:06,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-02-15 00:43:06,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1556. [2022-02-15 00:43:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1551 states have (on average 1.3784655061250806) internal successors, (2138), 1551 states have internal predecessors, (2138), 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 00:43:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2142 transitions. [2022-02-15 00:43:06,712 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2142 transitions. Word has length 196 [2022-02-15 00:43:06,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:06,712 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2142 transitions. [2022-02-15 00:43:06,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:43:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2142 transitions. [2022-02-15 00:43:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-02-15 00:43:06,715 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:06,715 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:06,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 00:43:06,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-02-15 00:43:06,920 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:06,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:06,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1355234276, now seen corresponding path program 1 times [2022-02-15 00:43:06,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:06,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871365529] [2022-02-15 00:43:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:06,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 347 proven. 1 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-02-15 00:43:07,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:07,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871365529] [2022-02-15 00:43:07,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871365529] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:43:07,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861525426] [2022-02-15 00:43:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:43:07,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:43:07,206 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:43:07,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 00:43:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:08,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 00:43:08,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:43:08,571 INFO L353 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-15 00:43:08,572 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 91 [2022-02-15 00:43:08,575 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-02-15 00:43:08,580 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:43:08,589 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-02-15 00:43:08,643 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-02-15 00:43:08,700 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-15 00:43:08,700 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:43:08,797 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-15 00:43:08,798 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-15 00:43:08,826 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-15 00:43:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 317 proven. 50 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-02-15 00:43:08,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:43:09,070 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-02-15 00:43:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-02-15 00:43:09,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861525426] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 00:43:09,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 00:43:09,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-02-15 00:43:09,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064873907] [2022-02-15 00:43:09,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:09,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:43:09,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:09,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:43:09,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 00:43:09,189 INFO L87 Difference]: Start difference. First operand 1556 states and 2142 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:43:11,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:11,449 INFO L93 Difference]: Finished difference Result 1609 states and 2214 transitions. [2022-02-15 00:43:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:43:11,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 206 [2022-02-15 00:43:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:11,453 INFO L225 Difference]: With dead ends: 1609 [2022-02-15 00:43:11,453 INFO L226 Difference]: Without dead ends: 1609 [2022-02-15 00:43:11,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:43:11,454 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 107 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:11,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 478 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 00:43:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2022-02-15 00:43:11,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1289. [2022-02-15 00:43:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1284 states have (on average 1.352803738317757) internal successors, (1737), 1284 states have internal predecessors, (1737), 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 00:43:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1741 transitions. [2022-02-15 00:43:11,469 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1741 transitions. Word has length 206 [2022-02-15 00:43:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:11,469 INFO L470 AbstractCegarLoop]: Abstraction has 1289 states and 1741 transitions. [2022-02-15 00:43:11,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:43:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1741 transitions. [2022-02-15 00:43:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-02-15 00:43:11,472 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:11,472 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:43:11,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-15 00:43:11,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:43:11,687 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:11,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1928763879, now seen corresponding path program 1 times [2022-02-15 00:43:11,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:11,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719475180] [2022-02-15 00:43:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-02-15 00:43:11,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:11,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719475180] [2022-02-15 00:43:11,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719475180] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:11,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:11,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:11,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866897549] [2022-02-15 00:43:11,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:11,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:11,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:11,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:11,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:11,878 INFO L87 Difference]: Start difference. First operand 1289 states and 1741 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 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 00:43:13,886 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 00:43:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:14,186 INFO L93 Difference]: Finished difference Result 1303 states and 1751 transitions. [2022-02-15 00:43:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:14,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 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 206 [2022-02-15 00:43:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:14,189 INFO L225 Difference]: With dead ends: 1303 [2022-02-15 00:43:14,189 INFO L226 Difference]: Without dead ends: 1303 [2022-02-15 00:43:14,189 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 00:43:14,190 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 14 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:14,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 460 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 330 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2022-02-15 00:43:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1289. [2022-02-15 00:43:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1284 states have (on average 1.3496884735202492) internal successors, (1733), 1284 states have internal predecessors, (1733), 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 00:43:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1737 transitions. [2022-02-15 00:43:14,205 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1737 transitions. Word has length 206 [2022-02-15 00:43:14,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:14,206 INFO L470 AbstractCegarLoop]: Abstraction has 1289 states and 1737 transitions. [2022-02-15 00:43:14,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 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 00:43:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1737 transitions. [2022-02-15 00:43:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-02-15 00:43:14,208 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:14,208 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:14,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 00:43:14,209 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:14,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash -999658140, now seen corresponding path program 1 times [2022-02-15 00:43:14,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:14,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788356308] [2022-02-15 00:43:14,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:14,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-02-15 00:43:14,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:14,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788356308] [2022-02-15 00:43:14,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788356308] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:14,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:14,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:14,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258000612] [2022-02-15 00:43:14,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:14,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:14,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:14,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:14,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:14,449 INFO L87 Difference]: Start difference. First operand 1289 states and 1737 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 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 00:43:16,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:16,759 INFO L93 Difference]: Finished difference Result 1405 states and 1877 transitions. [2022-02-15 00:43:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:16,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 228 [2022-02-15 00:43:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:16,762 INFO L225 Difference]: With dead ends: 1405 [2022-02-15 00:43:16,762 INFO L226 Difference]: Without dead ends: 1405 [2022-02-15 00:43:16,762 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 00:43:16,762 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 12 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:16,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 456 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:16,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-02-15 00:43:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1393. [2022-02-15 00:43:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1388 states have (on average 1.3378962536023056) internal successors, (1857), 1388 states have internal predecessors, (1857), 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 00:43:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1861 transitions. [2022-02-15 00:43:16,775 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1861 transitions. Word has length 228 [2022-02-15 00:43:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:16,776 INFO L470 AbstractCegarLoop]: Abstraction has 1393 states and 1861 transitions. [2022-02-15 00:43:16,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 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 00:43:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1861 transitions. [2022-02-15 00:43:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-02-15 00:43:16,778 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:16,779 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:16,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 00:43:16,779 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:16,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:16,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1985787993, now seen corresponding path program 1 times [2022-02-15 00:43:16,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:16,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42396766] [2022-02-15 00:43:16,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:16,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-02-15 00:43:17,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:17,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42396766] [2022-02-15 00:43:17,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42396766] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:17,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:17,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:17,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903365450] [2022-02-15 00:43:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:17,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:17,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:17,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:17,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:17,032 INFO L87 Difference]: Start difference. First operand 1393 states and 1861 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (3), 2 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 00:43:19,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:19,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:19,335 INFO L93 Difference]: Finished difference Result 1529 states and 2029 transitions. [2022-02-15 00:43:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:19,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (3), 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 253 [2022-02-15 00:43:19,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:19,338 INFO L225 Difference]: With dead ends: 1529 [2022-02-15 00:43:19,339 INFO L226 Difference]: Without dead ends: 1529 [2022-02-15 00:43:19,339 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 00:43:19,339 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 15 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:19,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 460 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:19,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2022-02-15 00:43:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1509. [2022-02-15 00:43:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1504 states have (on average 1.3304521276595744) internal successors, (2001), 1504 states have internal predecessors, (2001), 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 00:43:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2005 transitions. [2022-02-15 00:43:19,354 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2005 transitions. Word has length 253 [2022-02-15 00:43:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:19,355 INFO L470 AbstractCegarLoop]: Abstraction has 1509 states and 2005 transitions. [2022-02-15 00:43:19,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (3), 2 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 00:43:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2005 transitions. [2022-02-15 00:43:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-02-15 00:43:19,357 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:19,358 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:19,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 00:43:19,358 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:19,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:19,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2073501128, now seen corresponding path program 1 times [2022-02-15 00:43:19,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:19,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298334180] [2022-02-15 00:43:19,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:19,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 442 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-02-15 00:43:19,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:19,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298334180] [2022-02-15 00:43:19,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298334180] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:19,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:19,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:19,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678983258] [2022-02-15 00:43:19,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:19,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:19,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:19,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:19,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:19,636 INFO L87 Difference]: Start difference. First operand 1509 states and 2005 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 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 00:43:21,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:21,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:21,962 INFO L93 Difference]: Finished difference Result 1669 states and 2217 transitions. [2022-02-15 00:43:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:21,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 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 253 [2022-02-15 00:43:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:21,965 INFO L225 Difference]: With dead ends: 1669 [2022-02-15 00:43:21,965 INFO L226 Difference]: Without dead ends: 1669 [2022-02-15 00:43:21,966 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 00:43:21,966 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 21 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:21,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 472 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:21,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2022-02-15 00:43:21,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1637. [2022-02-15 00:43:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1632 states have (on average 1.3314950980392157) internal successors, (2173), 1632 states have internal predecessors, (2173), 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 00:43:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2177 transitions. [2022-02-15 00:43:21,984 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2177 transitions. Word has length 253 [2022-02-15 00:43:21,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:21,984 INFO L470 AbstractCegarLoop]: Abstraction has 1637 states and 2177 transitions. [2022-02-15 00:43:21,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 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 00:43:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2177 transitions. [2022-02-15 00:43:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-02-15 00:43:21,987 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:21,988 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:21,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 00:43:21,988 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:21,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:21,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1344199561, now seen corresponding path program 1 times [2022-02-15 00:43:21,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:21,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599566053] [2022-02-15 00:43:21,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:21,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:22,272 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:22,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599566053] [2022-02-15 00:43:22,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599566053] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:22,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:22,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:22,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773001066] [2022-02-15 00:43:22,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:22,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:22,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:22,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:22,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:22,274 INFO L87 Difference]: Start difference. First operand 1637 states and 2177 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 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 00:43:24,283 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 00:43:24,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:24,658 INFO L93 Difference]: Finished difference Result 1823 states and 2432 transitions. [2022-02-15 00:43:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:24,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 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 283 [2022-02-15 00:43:24,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:24,661 INFO L225 Difference]: With dead ends: 1823 [2022-02-15 00:43:24,661 INFO L226 Difference]: Without dead ends: 1823 [2022-02-15 00:43:24,661 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 00:43:24,662 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 45 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:24,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 498 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:43:24,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2022-02-15 00:43:24,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1733. [2022-02-15 00:43:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1728 states have (on average 1.3321759259259258) internal successors, (2302), 1728 states have internal predecessors, (2302), 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 00:43:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2306 transitions. [2022-02-15 00:43:24,678 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2306 transitions. Word has length 283 [2022-02-15 00:43:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:24,679 INFO L470 AbstractCegarLoop]: Abstraction has 1733 states and 2306 transitions. [2022-02-15 00:43:24,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 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 00:43:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2306 transitions. [2022-02-15 00:43:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-02-15 00:43:24,682 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:24,682 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:24,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 00:43:24,683 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:24,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash 832488008, now seen corresponding path program 1 times [2022-02-15 00:43:24,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:24,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674007748] [2022-02-15 00:43:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:24,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:25,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:25,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674007748] [2022-02-15 00:43:25,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674007748] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:25,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:25,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:25,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586845539] [2022-02-15 00:43:25,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:25,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:25,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:25,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:25,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:25,011 INFO L87 Difference]: Start difference. First operand 1733 states and 2306 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 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 00:43:27,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:27,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:27,356 INFO L93 Difference]: Finished difference Result 2033 states and 2740 transitions. [2022-02-15 00:43:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:27,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 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 283 [2022-02-15 00:43:27,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:27,359 INFO L225 Difference]: With dead ends: 2033 [2022-02-15 00:43:27,359 INFO L226 Difference]: Without dead ends: 2033 [2022-02-15 00:43:27,359 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 00:43:27,359 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 92 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:27,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 290 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:27,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2022-02-15 00:43:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1809. [2022-02-15 00:43:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1804 states have (on average 1.3558758314855877) internal successors, (2446), 1804 states have internal predecessors, (2446), 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 00:43:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2450 transitions. [2022-02-15 00:43:27,372 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2450 transitions. Word has length 283 [2022-02-15 00:43:27,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:27,372 INFO L470 AbstractCegarLoop]: Abstraction has 1809 states and 2450 transitions. [2022-02-15 00:43:27,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 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 00:43:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2450 transitions. [2022-02-15 00:43:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-02-15 00:43:27,375 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:27,375 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:27,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 00:43:27,376 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:27,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash -192315828, now seen corresponding path program 1 times [2022-02-15 00:43:27,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:27,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401785412] [2022-02-15 00:43:27,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:27,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:27,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401785412] [2022-02-15 00:43:27,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401785412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:27,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:27,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:27,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840051952] [2022-02-15 00:43:27,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:27,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:27,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:27,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:27,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:27,644 INFO L87 Difference]: Start difference. First operand 1809 states and 2450 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 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 00:43:29,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:29,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:29,998 INFO L93 Difference]: Finished difference Result 2025 states and 2716 transitions. [2022-02-15 00:43:29,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:29,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 284 [2022-02-15 00:43:29,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:30,002 INFO L225 Difference]: With dead ends: 2025 [2022-02-15 00:43:30,003 INFO L226 Difference]: Without dead ends: 2025 [2022-02-15 00:43:30,003 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 00:43:30,003 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 93 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:30,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2022-02-15 00:43:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1809. [2022-02-15 00:43:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1804 states have (on average 1.3492239467849223) internal successors, (2434), 1804 states have internal predecessors, (2434), 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 00:43:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2438 transitions. [2022-02-15 00:43:30,020 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2438 transitions. Word has length 284 [2022-02-15 00:43:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:30,021 INFO L470 AbstractCegarLoop]: Abstraction has 1809 states and 2438 transitions. [2022-02-15 00:43:30,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 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 00:43:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2438 transitions. [2022-02-15 00:43:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-02-15 00:43:30,024 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:30,024 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:43:30,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 00:43:30,025 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:30,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:30,025 INFO L85 PathProgramCache]: Analyzing trace with hash -997439574, now seen corresponding path program 1 times [2022-02-15 00:43:30,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:30,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935367183] [2022-02-15 00:43:30,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:30,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:30,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:30,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935367183] [2022-02-15 00:43:30,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935367183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:30,347 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:30,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:30,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943904191] [2022-02-15 00:43:30,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:30,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:30,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:30,350 INFO L87 Difference]: Start difference. First operand 1809 states and 2438 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 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 00:43:32,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:32,697 INFO L93 Difference]: Finished difference Result 2025 states and 2708 transitions. [2022-02-15 00:43:32,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:32,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 284 [2022-02-15 00:43:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:32,700 INFO L225 Difference]: With dead ends: 2025 [2022-02-15 00:43:32,700 INFO L226 Difference]: Without dead ends: 2025 [2022-02-15 00:43:32,700 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 00:43:32,700 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 90 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:32,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 292 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 389 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2022-02-15 00:43:32,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1813. [2022-02-15 00:43:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1808 states have (on average 1.3462389380530972) internal successors, (2434), 1808 states have internal predecessors, (2434), 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 00:43:32,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2438 transitions. [2022-02-15 00:43:32,719 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2438 transitions. Word has length 284 [2022-02-15 00:43:32,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:32,719 INFO L470 AbstractCegarLoop]: Abstraction has 1813 states and 2438 transitions. [2022-02-15 00:43:32,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 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 00:43:32,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2438 transitions. [2022-02-15 00:43:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-02-15 00:43:32,722 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:32,722 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 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, 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 00:43:32,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 00:43:32,723 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:32,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:32,723 INFO L85 PathProgramCache]: Analyzing trace with hash 885984726, now seen corresponding path program 1 times [2022-02-15 00:43:32,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:32,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127798916] [2022-02-15 00:43:32,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:32,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:33,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:33,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127798916] [2022-02-15 00:43:33,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127798916] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:33,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:33,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:33,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109326622] [2022-02-15 00:43:33,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:33,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:33,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:33,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:33,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:33,033 INFO L87 Difference]: Start difference. First operand 1813 states and 2438 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 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 00:43:35,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:35,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:35,368 INFO L93 Difference]: Finished difference Result 1882 states and 2528 transitions. [2022-02-15 00:43:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:35,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 288 [2022-02-15 00:43:35,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:35,371 INFO L225 Difference]: With dead ends: 1882 [2022-02-15 00:43:35,371 INFO L226 Difference]: Without dead ends: 1882 [2022-02-15 00:43:35,372 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 00:43:35,372 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 32 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:35,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 484 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 433 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2022-02-15 00:43:35,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1828. [2022-02-15 00:43:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1823 states have (on average 1.3433900164563906) internal successors, (2449), 1823 states have internal predecessors, (2449), 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 00:43:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2453 transitions. [2022-02-15 00:43:35,391 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2453 transitions. Word has length 288 [2022-02-15 00:43:35,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:35,391 INFO L470 AbstractCegarLoop]: Abstraction has 1828 states and 2453 transitions. [2022-02-15 00:43:35,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 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 00:43:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2453 transitions. [2022-02-15 00:43:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-02-15 00:43:35,394 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:35,394 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:43:35,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 00:43:35,394 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:35,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1601195619, now seen corresponding path program 1 times [2022-02-15 00:43:35,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:35,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072534398] [2022-02-15 00:43:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:35,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:35,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072534398] [2022-02-15 00:43:35,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072534398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:35,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:35,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:35,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570429105] [2022-02-15 00:43:35,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:35,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:35,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:35,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:35,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:35,696 INFO L87 Difference]: Start difference. First operand 1828 states and 2453 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 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 00:43:37,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:38,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:38,053 INFO L93 Difference]: Finished difference Result 1882 states and 2525 transitions. [2022-02-15 00:43:38,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:38,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 288 [2022-02-15 00:43:38,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:38,055 INFO L225 Difference]: With dead ends: 1882 [2022-02-15 00:43:38,055 INFO L226 Difference]: Without dead ends: 1882 [2022-02-15 00:43:38,056 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 00:43:38,056 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 30 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:38,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 482 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 432 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2022-02-15 00:43:38,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1831. [2022-02-15 00:43:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1826 states have (on average 1.3428258488499452) internal successors, (2452), 1826 states have internal predecessors, (2452), 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 00:43:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2456 transitions. [2022-02-15 00:43:38,074 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2456 transitions. Word has length 288 [2022-02-15 00:43:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:38,075 INFO L470 AbstractCegarLoop]: Abstraction has 1831 states and 2456 transitions. [2022-02-15 00:43:38,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 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 00:43:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2456 transitions. [2022-02-15 00:43:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-02-15 00:43:38,078 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:38,078 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:43:38,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 00:43:38,078 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash -693063078, now seen corresponding path program 1 times [2022-02-15 00:43:38,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:38,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347675557] [2022-02-15 00:43:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:38,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:38,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:38,395 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:38,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347675557] [2022-02-15 00:43:38,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347675557] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:38,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:38,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:38,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604642494] [2022-02-15 00:43:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:38,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:38,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:38,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:38,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:38,396 INFO L87 Difference]: Start difference. First operand 1831 states and 2456 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 2 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 00:43:40,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:40,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:40,743 INFO L93 Difference]: Finished difference Result 1876 states and 2516 transitions. [2022-02-15 00:43:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:40,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 289 [2022-02-15 00:43:40,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:40,745 INFO L225 Difference]: With dead ends: 1876 [2022-02-15 00:43:40,745 INFO L226 Difference]: Without dead ends: 1876 [2022-02-15 00:43:40,746 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 00:43:40,746 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 27 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:40,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 478 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 426 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:40,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2022-02-15 00:43:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1834. [2022-02-15 00:43:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1829 states have (on average 1.3422635319846912) internal successors, (2455), 1829 states have internal predecessors, (2455), 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 00:43:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2459 transitions. [2022-02-15 00:43:40,759 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2459 transitions. Word has length 289 [2022-02-15 00:43:40,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:40,760 INFO L470 AbstractCegarLoop]: Abstraction has 1834 states and 2459 transitions. [2022-02-15 00:43:40,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 2 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 00:43:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2459 transitions. [2022-02-15 00:43:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-02-15 00:43:40,763 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:40,763 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:43:40,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 00:43:40,763 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:40,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1488727516, now seen corresponding path program 1 times [2022-02-15 00:43:40,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:40,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307717135] [2022-02-15 00:43:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-02-15 00:43:41,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:41,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307717135] [2022-02-15 00:43:41,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307717135] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:43:41,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:43:41,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:43:41,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264416253] [2022-02-15 00:43:41,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:43:41,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:43:41,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:43:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:43:41,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:43:41,090 INFO L87 Difference]: Start difference. First operand 1834 states and 2459 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 2 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 00:43:43,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:43:43,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:43:43,429 INFO L93 Difference]: Finished difference Result 1861 states and 2492 transitions. [2022-02-15 00:43:43,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:43:43,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 290 [2022-02-15 00:43:43,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:43:43,431 INFO L225 Difference]: With dead ends: 1861 [2022-02-15 00:43:43,432 INFO L226 Difference]: Without dead ends: 1861 [2022-02-15 00:43:43,432 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 00:43:43,432 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 21 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:43:43,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 470 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 409 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 00:43:43,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2022-02-15 00:43:43,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1837. [2022-02-15 00:43:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1832 states have (on average 1.341703056768559) internal successors, (2458), 1832 states have internal predecessors, (2458), 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 00:43:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2462 transitions. [2022-02-15 00:43:43,454 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2462 transitions. Word has length 290 [2022-02-15 00:43:43,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:43:43,454 INFO L470 AbstractCegarLoop]: Abstraction has 1837 states and 2462 transitions. [2022-02-15 00:43:43,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 2 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 00:43:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2462 transitions. [2022-02-15 00:43:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-02-15 00:43:43,458 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:43:43,458 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:43:43,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 00:43:43,458 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:43:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:43:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1235340779, now seen corresponding path program 1 times [2022-02-15 00:43:43,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:43:43,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17266754] [2022-02-15 00:43:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:43:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:43:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 432 proven. 252 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-02-15 00:43:46,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:43:46,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17266754] [2022-02-15 00:43:46,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17266754] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:43:46,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796850727] [2022-02-15 00:43:46,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:43:46,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:43:46,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:43:46,857 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:43:46,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 00:43:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:43:49,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 500 conjunts are in the unsatisfiable core [2022-02-15 00:43:49,194 INFO L286 TraceCheckSpWp]: Computing forward predicates...