/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 04:15:20,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 04:15:20,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 04:15:20,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 04:15:20,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 04:15:20,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 04:15:20,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 04:15:20,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 04:15:20,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 04:15:20,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 04:15:20,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 04:15:20,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 04:15:20,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 04:15:20,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 04:15:20,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 04:15:20,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 04:15:20,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 04:15:20,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 04:15:20,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 04:15:20,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 04:15:20,228 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 04:15:20,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 04:15:20,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 04:15:20,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 04:15:20,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 04:15:20,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-05 04:15:20,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-05 04:15:20,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-05 04:15:20,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-05 04:15:20,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-05 04:15:20,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-05 04:15:20,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-05 04:15:20,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-05 04:15:20,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-05 04:15:20,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-05 04:15:20,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-05 04:15:20,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-05 04:15:20,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-05 04:15:20,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-05 04:15:20,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 04:15:20,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 04:15:20,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 04:15:20,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 04:15:20,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 04:15:20,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 04:15:20,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 04:15:20,255 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 04:15:20,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 04:15:20,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 04:15:20,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 04:15:20,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 04:15:20,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 04:15:20,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 04:15:20,256 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 04:15:20,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 04:15:20,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 04:15:20,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 04:15:20,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 04:15:20,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 04:15:20,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 04:15:20,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 04:15:20,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:15:20,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 04:15:20,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 04:15:20,259 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 04:15:20,259 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 04:15:20,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 04:15:20,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 04:15:20,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 04:15:20,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 04:15:20,515 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 04:15:20,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-04-05 04:15:20,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467035714/c7d0e7c06c3b41b6b3114148fdd6cf1a/FLAG50c308866 [2022-04-05 04:15:21,084 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 04:15:21,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-04-05 04:15:21,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467035714/c7d0e7c06c3b41b6b3114148fdd6cf1a/FLAG50c308866 [2022-04-05 04:15:21,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467035714/c7d0e7c06c3b41b6b3114148fdd6cf1a [2022-04-05 04:15:21,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 04:15:21,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 04:15:21,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 04:15:21,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 04:15:21,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 04:15:21,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:15:21" (1/1) ... [2022-04-05 04:15:21,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c1c366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:21, skipping insertion in model container [2022-04-05 04:15:21,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:15:21" (1/1) ... [2022-04-05 04:15:21,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 04:15:21,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 04:15:22,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2022-04-05 04:15:22,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:15:22,130 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 04:15:22,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2022-04-05 04:15:22,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:15:22,253 INFO L208 MainTranslator]: Completed translation [2022-04-05 04:15:22,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22 WrapperNode [2022-04-05 04:15:22,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 04:15:22,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 04:15:22,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 04:15:22,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 04:15:22,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 04:15:22,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 04:15:22,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 04:15:22,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 04:15:22,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (1/1) ... [2022-04-05 04:15:22,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:15:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:15:22,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-05 04:15:22,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-05 04:15:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 04:15:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 04:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 04:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-04-05 04:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-04-05 04:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 04:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-05 04:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-05 04:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-05 04:15:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-05 04:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 04:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 04:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 04:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 04:15:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-04-05 04:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 04:15:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 04:15:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-05 04:15:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-05 04:15:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-05 04:15:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-05 04:15:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 04:15:22,640 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 04:15:22,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 04:15:23,924 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 04:15:24,434 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-05 04:15:24,434 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-05 04:15:24,458 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 04:15:24,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 04:15:24,469 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 04:15:24,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:15:24 BoogieIcfgContainer [2022-04-05 04:15:24,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 04:15:24,472 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 04:15:24,472 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 04:15:24,474 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 04:15:24,476 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:15:24" (1/1) ... [2022-04-05 04:15:24,478 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 04:15:24,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:15:24 BasicIcfg [2022-04-05 04:15:24,537 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 04:15:24,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 04:15:24,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 04:15:24,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 04:15:24,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:15:21" (1/4) ... [2022-04-05 04:15:24,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b6e31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:15:24, skipping insertion in model container [2022-04-05 04:15:24,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:15:22" (2/4) ... [2022-04-05 04:15:24,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b6e31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:15:24, skipping insertion in model container [2022-04-05 04:15:24,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:15:24" (3/4) ... [2022-04-05 04:15:24,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b6e31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:15:24, skipping insertion in model container [2022-04-05 04:15:24,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:15:24" (4/4) ... [2022-04-05 04:15:24,549 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.cJordan [2022-04-05 04:15:24,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 04:15:24,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 04:15:24,608 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 04:15:24,617 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-05 04:15:24,618 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 04:15:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-05 04:15:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-05 04:15:24,659 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:24,660 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:24,660 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash -106935299, now seen corresponding path program 1 times [2022-04-05 04:15:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:24,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846035362] [2022-04-05 04:15:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:24,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:15:25,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:25,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846035362] [2022-04-05 04:15:25,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846035362] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:25,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:25,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:25,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218262486] [2022-04-05 04:15:25,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:25,250 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:25,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:25,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:25,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:25,285 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:27,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:27,848 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-04-05 04:15:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:27,850 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 [2022-04-05 04:15:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:27,857 INFO L225 Difference]: With dead ends: 144 [2022-04-05 04:15:27,857 INFO L226 Difference]: Without dead ends: 124 [2022-04-05 04:15:27,858 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:27,867 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:27,868 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:15:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-04-05 04:15:27,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-04-05 04:15:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 118 states have (on average 1.4915254237288136) internal successors, (176), 118 states have internal predecessors, (176), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-04-05 04:15:27,925 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-04-05 04:15:27,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:27,926 INFO L478 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-04-05 04:15:27,926 INFO L479 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) [2022-04-05 04:15:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-04-05 04:15:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-05 04:15:27,927 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:27,928 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:27,928 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 04:15:27,929 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:27,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1091565072, now seen corresponding path program 1 times [2022-04-05 04:15:27,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:27,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895499301] [2022-04-05 04:15:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:28,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:28,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895499301] [2022-04-05 04:15:28,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895499301] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:28,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:28,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:15:28,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469188081] [2022-04-05 04:15:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:28,295 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:15:28,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:28,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:15:28,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:28,296 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:30,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:30,582 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-04-05 04:15:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:15:30,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-04-05 04:15:30,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:30,585 INFO L225 Difference]: With dead ends: 226 [2022-04-05 04:15:30,585 INFO L226 Difference]: Without dead ends: 226 [2022-04-05 04:15:30,585 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:30,586 INFO L913 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:30,587 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 323 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-05 04:15:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-04-05 04:15:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-04-05 04:15:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 221 states have internal predecessors, (326), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-04-05 04:15:30,599 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-04-05 04:15:30,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:30,599 INFO L478 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-04-05 04:15:30,600 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-04-05 04:15:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-05 04:15:30,602 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:30,602 INFO L499 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] [2022-04-05 04:15:30,602 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 04:15:30,602 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1300196515, now seen corresponding path program 1 times [2022-04-05 04:15:30,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:30,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751716659] [2022-04-05 04:15:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:30,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:30,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751716659] [2022-04-05 04:15:30,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751716659] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:30,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:30,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:30,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073325136] [2022-04-05 04:15:30,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:30,839 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:30,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:30,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:30,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:30,840 INFO L87 Difference]: Start difference. First operand 226 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:32,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:33,296 INFO L93 Difference]: Finished difference Result 261 states and 382 transitions. [2022-04-05 04:15:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:33,296 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 [2022-04-05 04:15:33,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:33,298 INFO L225 Difference]: With dead ends: 261 [2022-04-05 04:15:33,299 INFO L226 Difference]: Without dead ends: 261 [2022-04-05 04:15:33,299 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:33,300 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:33,300 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 490 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:33,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-04-05 04:15:33,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 244. [2022-04-05 04:15:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4895397489539748) internal successors, (356), 239 states have internal predecessors, (356), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 360 transitions. [2022-04-05 04:15:33,316 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 360 transitions. Word has length 60 [2022-04-05 04:15:33,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:33,316 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 360 transitions. [2022-04-05 04:15:33,317 INFO L479 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) [2022-04-05 04:15:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 360 transitions. [2022-04-05 04:15:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-05 04:15:33,319 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:33,319 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:33,319 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 04:15:33,319 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash 894178960, now seen corresponding path program 2 times [2022-04-05 04:15:33,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:33,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667432590] [2022-04-05 04:15:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:33,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:33,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667432590] [2022-04-05 04:15:33,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667432590] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:33,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:33,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:33,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108752835] [2022-04-05 04:15:33,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:33,583 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:33,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:33,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:33,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:33,585 INFO L87 Difference]: Start difference. First operand 244 states and 360 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) [2022-04-05 04:15:35,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:36,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:36,011 INFO L93 Difference]: Finished difference Result 260 states and 380 transitions. [2022-04-05 04:15:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:36,012 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 [2022-04-05 04:15:36,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:36,014 INFO L225 Difference]: With dead ends: 260 [2022-04-05 04:15:36,014 INFO L226 Difference]: Without dead ends: 260 [2022-04-05 04:15:36,014 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:36,015 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 37 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:36,015 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 490 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 354 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:36,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-04-05 04:15:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 244. [2022-04-05 04:15:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4853556485355648) internal successors, (355), 239 states have internal predecessors, (355), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 359 transitions. [2022-04-05 04:15:36,025 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 359 transitions. Word has length 75 [2022-04-05 04:15:36,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:36,025 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 359 transitions. [2022-04-05 04:15:36,026 INFO L479 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) [2022-04-05 04:15:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2022-04-05 04:15:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-05 04:15:36,027 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:36,028 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:36,028 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 04:15:36,028 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:36,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:36,029 INFO L85 PathProgramCache]: Analyzing trace with hash -765124944, now seen corresponding path program 1 times [2022-04-05 04:15:36,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:36,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208840344] [2022-04-05 04:15:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:36,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:36,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208840344] [2022-04-05 04:15:36,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208840344] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:36,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:36,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:36,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389428843] [2022-04-05 04:15:36,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:36,268 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:36,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:36,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:36,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:36,269 INFO L87 Difference]: Start difference. First operand 244 states and 359 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) [2022-04-05 04:15:38,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:38,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:38,742 INFO L93 Difference]: Finished difference Result 429 states and 634 transitions. [2022-04-05 04:15:38,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:38,743 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 [2022-04-05 04:15:38,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:38,745 INFO L225 Difference]: With dead ends: 429 [2022-04-05 04:15:38,745 INFO L226 Difference]: Without dead ends: 429 [2022-04-05 04:15:38,745 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:38,746 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 120 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:38,747 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-04-05 04:15:38,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 268. [2022-04-05 04:15:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 263 states have (on average 1.4828897338403042) internal successors, (390), 263 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 394 transitions. [2022-04-05 04:15:38,758 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 394 transitions. Word has length 75 [2022-04-05 04:15:38,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:38,758 INFO L478 AbstractCegarLoop]: Abstraction has 268 states and 394 transitions. [2022-04-05 04:15:38,758 INFO L479 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) [2022-04-05 04:15:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 394 transitions. [2022-04-05 04:15:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-04-05 04:15:38,761 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:38,761 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:38,761 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 04:15:38,761 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:38,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash 420689370, now seen corresponding path program 1 times [2022-04-05 04:15:38,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:38,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927330526] [2022-04-05 04:15:38,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:38,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:38,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:38,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927330526] [2022-04-05 04:15:38,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927330526] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:38,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:38,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:38,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237205926] [2022-04-05 04:15:38,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:38,938 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:38,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:38,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:38,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:38,939 INFO L87 Difference]: Start difference. First operand 268 states and 394 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) [2022-04-05 04:15:41,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:43,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:45,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:46,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:46,225 INFO L93 Difference]: Finished difference Result 429 states and 631 transitions. [2022-04-05 04:15:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:46,225 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 [2022-04-05 04:15:46,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:46,227 INFO L225 Difference]: With dead ends: 429 [2022-04-05 04:15:46,227 INFO L226 Difference]: Without dead ends: 429 [2022-04-05 04:15:46,228 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:46,228 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 43 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:46,229 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 306 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 397 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2022-04-05 04:15:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-04-05 04:15:46,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 270. [2022-04-05 04:15:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.4754716981132074) internal successors, (391), 265 states have internal predecessors, (391), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 395 transitions. [2022-04-05 04:15:46,238 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 395 transitions. Word has length 76 [2022-04-05 04:15:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:46,238 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 395 transitions. [2022-04-05 04:15:46,238 INFO L479 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) [2022-04-05 04:15:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 395 transitions. [2022-04-05 04:15:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-04-05 04:15:46,240 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:46,240 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:46,240 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 04:15:46,240 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:46,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash -70572812, now seen corresponding path program 1 times [2022-04-05 04:15:46,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:46,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519531790] [2022-04-05 04:15:46,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:46,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:46,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:46,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519531790] [2022-04-05 04:15:46,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519531790] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:46,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:46,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:46,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349430158] [2022-04-05 04:15:46,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:46,446 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:46,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:46,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:46,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:46,447 INFO L87 Difference]: Start difference. First operand 270 states and 395 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) [2022-04-05 04:15:48,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:48,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:48,849 INFO L93 Difference]: Finished difference Result 286 states and 415 transitions. [2022-04-05 04:15:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:48,849 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 [2022-04-05 04:15:48,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:48,851 INFO L225 Difference]: With dead ends: 286 [2022-04-05 04:15:48,852 INFO L226 Difference]: Without dead ends: 286 [2022-04-05 04:15:48,852 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:48,853 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 31 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 484 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 [2022-04-05 04:15:48,853 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 484 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:48,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-04-05 04:15:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2022-04-05 04:15:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.471698113207547) internal successors, (390), 265 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 394 transitions. [2022-04-05 04:15:48,866 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 394 transitions. Word has length 77 [2022-04-05 04:15:48,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:48,867 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 394 transitions. [2022-04-05 04:15:48,867 INFO L479 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) [2022-04-05 04:15:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 394 transitions. [2022-04-05 04:15:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-05 04:15:48,869 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:48,869 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:48,869 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 04:15:48,869 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:48,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1362398755, now seen corresponding path program 1 times [2022-04-05 04:15:48,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:48,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405714303] [2022-04-05 04:15:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:48,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:49,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:49,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405714303] [2022-04-05 04:15:49,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405714303] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:49,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:49,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:15:49,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483588029] [2022-04-05 04:15:49,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:49,056 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:15:49,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:49,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:15:49,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:15:49,057 INFO L87 Difference]: Start difference. First operand 270 states and 394 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:51,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:51,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:51,504 INFO L93 Difference]: Finished difference Result 429 states and 627 transitions. [2022-04-05 04:15:51,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:15:51,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-04-05 04:15:51,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:51,509 INFO L225 Difference]: With dead ends: 429 [2022-04-05 04:15:51,509 INFO L226 Difference]: Without dead ends: 429 [2022-04-05 04:15:51,510 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:15:51,510 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 115 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:51,510 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:51,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-04-05 04:15:51,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 274. [2022-04-05 04:15:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 269 states have (on average 1.4684014869888475) internal successors, (395), 269 states have internal predecessors, (395), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 399 transitions. [2022-04-05 04:15:51,519 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 399 transitions. Word has length 78 [2022-04-05 04:15:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:51,519 INFO L478 AbstractCegarLoop]: Abstraction has 274 states and 399 transitions. [2022-04-05 04:15:51,519 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 399 transitions. [2022-04-05 04:15:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-05 04:15:51,520 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:51,520 INFO L499 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] [2022-04-05 04:15:51,520 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 04:15:51,520 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:51,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1733724060, now seen corresponding path program 1 times [2022-04-05 04:15:51,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:51,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699498881] [2022-04-05 04:15:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-04-05 04:15:51,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:51,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699498881] [2022-04-05 04:15:51,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699498881] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:51,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:51,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:15:51,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010361944] [2022-04-05 04:15:51,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:51,697 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:15:51,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:51,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:15:51,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:51,698 INFO L87 Difference]: Start difference. First operand 274 states and 399 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) [2022-04-05 04:15:53,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:54,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:54,157 INFO L93 Difference]: Finished difference Result 411 states and 598 transitions. [2022-04-05 04:15:54,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:15:54,157 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 [2022-04-05 04:15:54,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:54,159 INFO L225 Difference]: With dead ends: 411 [2022-04-05 04:15:54,160 INFO L226 Difference]: Without dead ends: 411 [2022-04-05 04:15:54,160 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:54,160 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:54,161 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 483 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-04-05 04:15:54,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-04-05 04:15:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 406 states have (on average 1.4630541871921183) internal successors, (594), 406 states have internal predecessors, (594), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-04-05 04:15:54,170 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 78 [2022-04-05 04:15:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:54,170 INFO L478 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-04-05 04:15:54,171 INFO L479 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) [2022-04-05 04:15:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-04-05 04:15:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-05 04:15:54,172 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:54,172 INFO L499 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] [2022-04-05 04:15:54,172 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 04:15:54,172 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:54,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:54,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1702704253, now seen corresponding path program 1 times [2022-04-05 04:15:54,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:54,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321970293] [2022-04-05 04:15:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:54,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 04:15:54,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:54,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321970293] [2022-04-05 04:15:54,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321970293] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:54,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:54,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:15:54,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450200161] [2022-04-05 04:15:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:54,331 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:15:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:54,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:15:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:54,332 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:56,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:56,590 INFO L93 Difference]: Finished difference Result 435 states and 630 transitions. [2022-04-05 04:15:56,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:15:56,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-04-05 04:15:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:56,592 INFO L225 Difference]: With dead ends: 435 [2022-04-05 04:15:56,592 INFO L226 Difference]: Without dead ends: 435 [2022-04-05 04:15:56,592 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:56,593 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 15 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:56,593 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 363 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-04-05 04:15:56,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-04-05 04:15:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2022-04-05 04:15:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 430 states have (on average 1.455813953488372) internal successors, (626), 430 states have internal predecessors, (626), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 630 transitions. [2022-04-05 04:15:56,606 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 630 transitions. Word has length 78 [2022-04-05 04:15:56,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:56,606 INFO L478 AbstractCegarLoop]: Abstraction has 435 states and 630 transitions. [2022-04-05 04:15:56,606 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:56,606 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 630 transitions. [2022-04-05 04:15:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-05 04:15:56,607 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:56,607 INFO L499 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] [2022-04-05 04:15:56,608 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 04:15:56,608 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:56,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash -283396127, now seen corresponding path program 1 times [2022-04-05 04:15:56,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:56,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81634118] [2022-04-05 04:15:56,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:56,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 04:15:56,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:56,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81634118] [2022-04-05 04:15:56,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81634118] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:56,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:56,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:15:56,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810724824] [2022-04-05 04:15:56,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:56,803 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:15:56,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:56,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:15:56,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:56,804 INFO L87 Difference]: Start difference. First operand 435 states and 630 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) [2022-04-05 04:15:58,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:15:59,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:15:59,256 INFO L93 Difference]: Finished difference Result 571 states and 828 transitions. [2022-04-05 04:15:59,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:15:59,256 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 [2022-04-05 04:15:59,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:15:59,258 INFO L225 Difference]: With dead ends: 571 [2022-04-05 04:15:59,259 INFO L226 Difference]: Without dead ends: 571 [2022-04-05 04:15:59,259 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:59,259 INFO L913 BasicCegarLoop]: 318 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:15:59,260 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 482 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:15:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-04-05 04:15:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-04-05 04:15:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 566 states have (on average 1.4558303886925794) internal successors, (824), 566 states have internal predecessors, (824), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:15:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 828 transitions. [2022-04-05 04:15:59,272 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 828 transitions. Word has length 98 [2022-04-05 04:15:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:15:59,272 INFO L478 AbstractCegarLoop]: Abstraction has 571 states and 828 transitions. [2022-04-05 04:15:59,272 INFO L479 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) [2022-04-05 04:15:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 828 transitions. [2022-04-05 04:15:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-04-05 04:15:59,274 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:15:59,274 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:15:59,274 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 04:15:59,274 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:15:59,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:15:59,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229179, now seen corresponding path program 1 times [2022-04-05 04:15:59,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:15:59,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67280345] [2022-04-05 04:15:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:15:59,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:15:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:15:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:15:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-05 04:15:59,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:15:59,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67280345] [2022-04-05 04:15:59,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67280345] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:15:59,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:15:59,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:15:59,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176378625] [2022-04-05 04:15:59,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:15:59,448 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:15:59,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:15:59,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:15:59,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:15:59,448 INFO L87 Difference]: Start difference. First operand 571 states and 828 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:01,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:16:01,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:16:01,850 INFO L93 Difference]: Finished difference Result 706 states and 1024 transitions. [2022-04-05 04:16:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:16:01,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-04-05 04:16:01,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:16:01,853 INFO L225 Difference]: With dead ends: 706 [2022-04-05 04:16:01,853 INFO L226 Difference]: Without dead ends: 706 [2022-04-05 04:16:01,853 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:16:01,854 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:16:01,854 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 480 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 340 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:16:01,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-04-05 04:16:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2022-04-05 04:16:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 701 states have (on average 1.4550641940085591) internal successors, (1020), 701 states have internal predecessors, (1020), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1024 transitions. [2022-04-05 04:16:01,867 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1024 transitions. Word has length 119 [2022-04-05 04:16:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:16:01,868 INFO L478 AbstractCegarLoop]: Abstraction has 706 states and 1024 transitions. [2022-04-05 04:16:01,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1024 transitions. [2022-04-05 04:16:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-04-05 04:16:01,870 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:16:01,870 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:16:01,870 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 04:16:01,870 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:16:01,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:16:01,871 INFO L85 PathProgramCache]: Analyzing trace with hash -768225432, now seen corresponding path program 1 times [2022-04-05 04:16:01,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:16:01,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672936123] [2022-04-05 04:16:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:16:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:16:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:16:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-04-05 04:16:02,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:16:02,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672936123] [2022-04-05 04:16:02,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672936123] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:16:02,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:16:02,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:16:02,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829516864] [2022-04-05 04:16:02,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:16:02,115 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:16:02,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:16:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:16:02,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:16:02,115 INFO L87 Difference]: Start difference. First operand 706 states and 1024 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:04,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:16:04,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:16:04,548 INFO L93 Difference]: Finished difference Result 1169 states and 1691 transitions. [2022-04-05 04:16:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:16:04,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-04-05 04:16:04,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:16:04,553 INFO L225 Difference]: With dead ends: 1169 [2022-04-05 04:16:04,553 INFO L226 Difference]: Without dead ends: 1169 [2022-04-05 04:16:04,553 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:16:04,554 INFO L913 BasicCegarLoop]: 100 mSDtfsCounter, 110 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:16:04,554 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:16:04,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-04-05 04:16:04,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 811. [2022-04-05 04:16:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 806 states have (on average 1.4640198511166254) internal successors, (1180), 806 states have internal predecessors, (1180), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1184 transitions. [2022-04-05 04:16:04,573 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1184 transitions. Word has length 145 [2022-04-05 04:16:04,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:16:04,573 INFO L478 AbstractCegarLoop]: Abstraction has 811 states and 1184 transitions. [2022-04-05 04:16:04,573 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1184 transitions. [2022-04-05 04:16:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-04-05 04:16:04,575 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:16:04,575 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:16:04,576 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 04:16:04,576 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:16:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:16:04,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1738516439, now seen corresponding path program 1 times [2022-04-05 04:16:04,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:16:04,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460854632] [2022-04-05 04:16:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:16:04,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:16:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:16:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-05 04:16:04,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:16:04,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460854632] [2022-04-05 04:16:04,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460854632] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:16:04,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:16:04,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:16:04,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008839372] [2022-04-05 04:16:04,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:16:04,755 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:16:04,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:16:04,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:16:04,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:16:04,755 INFO L87 Difference]: Start difference. First operand 811 states and 1184 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) [2022-04-05 04:16:06,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:16:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:16:07,151 INFO L93 Difference]: Finished difference Result 1022 states and 1471 transitions. [2022-04-05 04:16:07,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:16:07,152 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 145 [2022-04-05 04:16:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:16:07,156 INFO L225 Difference]: With dead ends: 1022 [2022-04-05 04:16:07,156 INFO L226 Difference]: Without dead ends: 1022 [2022-04-05 04:16:07,156 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:16:07,156 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 45 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:16:07,157 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 523 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 410 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:16:07,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-04-05 04:16:07,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 907. [2022-04-05 04:16:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.476718403547672) internal successors, (1332), 902 states have internal predecessors, (1332), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1336 transitions. [2022-04-05 04:16:07,176 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1336 transitions. Word has length 145 [2022-04-05 04:16:07,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:16:07,199 INFO L478 AbstractCegarLoop]: Abstraction has 907 states and 1336 transitions. [2022-04-05 04:16:07,199 INFO L479 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) [2022-04-05 04:16:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1336 transitions. [2022-04-05 04:16:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-04-05 04:16:07,202 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:16:07,202 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1] [2022-04-05 04:16:07,202 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 04:16:07,202 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:16:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:16:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash -431686358, now seen corresponding path program 2 times [2022-04-05 04:16:07,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:16:07,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775287471] [2022-04-05 04:16:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:16:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:16:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:16:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-05 04:16:07,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:16:07,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775287471] [2022-04-05 04:16:07,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775287471] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:16:07,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:16:07,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:16:07,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707182076] [2022-04-05 04:16:07,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:16:07,408 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:16:07,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:16:07,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:16:07,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:16:07,409 INFO L87 Difference]: Start difference. First operand 907 states and 1336 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) [2022-04-05 04:16:09,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:16:09,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:16:09,781 INFO L93 Difference]: Finished difference Result 1285 states and 1874 transitions. [2022-04-05 04:16:09,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:16:09,781 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 160 [2022-04-05 04:16:09,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:16:09,786 INFO L225 Difference]: With dead ends: 1285 [2022-04-05 04:16:09,786 INFO L226 Difference]: Without dead ends: 1285 [2022-04-05 04:16:09,786 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:16:09,787 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 110 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:16:09,787 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 302 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:16:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-04-05 04:16:09,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 907. [2022-04-05 04:16:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.4611973392461197) internal successors, (1318), 902 states have internal predecessors, (1318), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1322 transitions. [2022-04-05 04:16:09,807 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1322 transitions. Word has length 160 [2022-04-05 04:16:09,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:16:09,808 INFO L478 AbstractCegarLoop]: Abstraction has 907 states and 1322 transitions. [2022-04-05 04:16:09,808 INFO L479 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) [2022-04-05 04:16:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1322 transitions. [2022-04-05 04:16:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-04-05 04:16:09,810 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:16:09,810 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:16:09,810 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 04:16:09,811 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:16:09,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:16:09,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1903781070, now seen corresponding path program 1 times [2022-04-05 04:16:09,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:16:09,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777525363] [2022-04-05 04:16:09,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:16:09,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:16:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:10,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:16:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-05 04:16:10,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:16:10,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777525363] [2022-04-05 04:16:10,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777525363] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:16:10,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:16:10,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:16:10,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453608959] [2022-04-05 04:16:10,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:16:10,056 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:16:10,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:16:10,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:16:10,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:16:10,057 INFO L87 Difference]: Start difference. First operand 907 states and 1322 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:12,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:16:12,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:16:12,445 INFO L93 Difference]: Finished difference Result 1286 states and 1861 transitions. [2022-04-05 04:16:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:16:12,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 162 [2022-04-05 04:16:12,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:16:12,450 INFO L225 Difference]: With dead ends: 1286 [2022-04-05 04:16:12,450 INFO L226 Difference]: Without dead ends: 1286 [2022-04-05 04:16:12,450 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:16:12,451 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 115 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:16:12,451 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:16:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2022-04-05 04:16:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 907. [2022-04-05 04:16:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.4456762749445675) internal successors, (1304), 902 states have internal predecessors, (1304), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1308 transitions. [2022-04-05 04:16:12,472 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1308 transitions. Word has length 162 [2022-04-05 04:16:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:16:12,472 INFO L478 AbstractCegarLoop]: Abstraction has 907 states and 1308 transitions. [2022-04-05 04:16:12,472 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:16:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1308 transitions. [2022-04-05 04:16:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-04-05 04:16:12,474 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:16:12,475 INFO L499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:16:12,475 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 04:16:12,475 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:16:12,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:16:12,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1242164081, now seen corresponding path program 1 times [2022-04-05 04:16:12,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:16:12,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066528519] [2022-04-05 04:16:12,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:16:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:16:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:16:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 229 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-04-05 04:16:12,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:16:12,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066528519] [2022-04-05 04:16:12,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066528519] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:16:12,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458502434] [2022-04-05 04:16:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:16:12,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:16:12,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:16:12,679 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) [2022-04-05 04:16:12,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 04:16:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:16:13,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-05 04:16:13,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:16:13,691 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-04-05 04:16:13,692 INFO L390 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 143 [2022-04-05 04:16:13,701 INFO L390 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 123 treesize of output 63 [2022-04-05 04:16:13,708 INFO L390 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 [2022-04-05 04:16:13,719 INFO L390 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