/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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 08:39:07,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 08:39:07,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 08:39:07,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 08:39:07,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 08:39:07,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 08:39:07,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 08:39:07,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 08:39:07,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 08:39:07,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 08:39:07,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 08:39:07,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 08:39:07,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 08:39:07,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 08:39:07,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 08:39:07,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 08:39:07,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 08:39:07,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 08:39:07,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 08:39:07,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 08:39:07,468 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 08:39:07,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 08:39:07,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 08:39:07,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 08:39:07,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 08:39:07,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 08:39:07,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 08:39:07,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 08:39:07,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 08:39:07,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 08:39:07,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-06 08:39:07,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-06 08:39:07,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-06 08:39:07,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-06 08:39:07,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-06 08:39:07,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-06 08:39:07,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-06 08:39:07,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-06 08:39:07,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-06 08:39:07,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 08:39:07,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 08:39:07,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 08:39:07,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 08:39:07,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 08:39:07,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 08:39:07,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 08:39:07,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 08:39:07,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 08:39:07,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 08:39:07,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 08:39:07,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 08:39:07,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 08:39:07,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 08:39:07,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:39:07,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 08:39:07,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 08:39:07,502 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 08:39:07,502 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 08:39:07,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 08:39:07,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 08:39:07,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 08:39:07,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 08:39:07,739 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 08:39:07,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c [2022-04-06 08:39:07,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b569fe3/8ecba5070e794fe5b502cae39b3532d9/FLAGf7b96bf09 [2022-04-06 08:39:08,266 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 08:39:08,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c [2022-04-06 08:39:08,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b569fe3/8ecba5070e794fe5b502cae39b3532d9/FLAGf7b96bf09 [2022-04-06 08:39:08,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b569fe3/8ecba5070e794fe5b502cae39b3532d9 [2022-04-06 08:39:08,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 08:39:08,771 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 08:39:08,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 08:39:08,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 08:39:08,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 08:39:08,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:39:08" (1/1) ... [2022-04-06 08:39:08,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6698906b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:08, skipping insertion in model container [2022-04-06 08:39:08,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:39:08" (1/1) ... [2022-04-06 08:39:08,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 08:39:08,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 08:39:09,097 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-2.c[65520,65533] [2022-04-06 08:39:09,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:39:09,113 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 08:39:09,229 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-2.c[65520,65533] [2022-04-06 08:39:09,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:39:09,259 INFO L208 MainTranslator]: Completed translation [2022-04-06 08:39:09,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09 WrapperNode [2022-04-06 08:39:09,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 08:39:09,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 08:39:09,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 08:39:09,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 08:39:09,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 08:39:09,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 08:39:09,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 08:39:09,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 08:39:09,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (1/1) ... [2022-04-06 08:39:09,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:39:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:39:09,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-06 08:39:09,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-06 08:39:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 08:39:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 08:39:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 08:39:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-04-06 08:39:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-04-06 08:39:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 08:39:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-06 08:39:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-06 08:39:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-06 08:39:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-06 08:39:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 08:39:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 08:39:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 08:39:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 08:39:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-06 08:39:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 08:39:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-06 08:39:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-06 08:39:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 08:39:09,622 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 08:39:09,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 08:39:10,747 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:39:11,105 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-06 08:39:11,105 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-06 08:39:11,122 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 08:39:11,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 08:39:11,128 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 08:39:11,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:39:11 BoogieIcfgContainer [2022-04-06 08:39:11,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 08:39:11,130 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 08:39:11,130 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 08:39:11,133 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 08:39:11,135 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:39:11" (1/1) ... [2022-04-06 08:39:11,137 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 08:39:11,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:39:11 BasicIcfg [2022-04-06 08:39:11,189 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 08:39:11,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 08:39:11,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 08:39:11,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 08:39:11,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:39:08" (1/4) ... [2022-04-06 08:39:11,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721104bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:39:11, skipping insertion in model container [2022-04-06 08:39:11,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:39:09" (2/4) ... [2022-04-06 08:39:11,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721104bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:39:11, skipping insertion in model container [2022-04-06 08:39:11,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:39:11" (3/4) ... [2022-04-06 08:39:11,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721104bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:39:11, skipping insertion in model container [2022-04-06 08:39:11,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:39:11" (4/4) ... [2022-04-06 08:39:11,198 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-2.cJordan [2022-04-06 08:39:11,204 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 08:39:11,204 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 08:39:11,238 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 08:39:11,245 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-06 08:39:11,245 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 08:39:11,260 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) [2022-04-06 08:39:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 08:39:11,286 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:11,287 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] [2022-04-06 08:39:11,287 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:11,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:11,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1407118819, now seen corresponding path program 1 times [2022-04-06 08:39:11,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:11,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513221571] [2022-04-06 08:39:11,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:11,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:39:11,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:11,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513221571] [2022-04-06 08:39:11,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513221571] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:11,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:11,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:11,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411242838] [2022-04-06 08:39:11,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:11,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:11,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:11,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:11,844 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) [2022-04-06 08:39:13,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:14,305 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-04-06 08:39:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:14,307 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 [2022-04-06 08:39:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:14,313 INFO L225 Difference]: With dead ends: 144 [2022-04-06 08:39:14,313 INFO L226 Difference]: Without dead ends: 124 [2022-04-06 08:39:14,314 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:14,321 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:14,322 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:14,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-04-06 08:39:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-04-06 08:39:14,360 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) [2022-04-06 08:39:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-04-06 08:39:14,368 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-04-06 08:39:14,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:14,369 INFO L478 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-04-06 08:39:14,369 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) [2022-04-06 08:39:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-04-06 08:39:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-06 08:39:14,370 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:14,370 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] [2022-04-06 08:39:14,370 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 08:39:14,371 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:14,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:14,373 INFO L85 PathProgramCache]: Analyzing trace with hash -765789009, now seen corresponding path program 1 times [2022-04-06 08:39:14,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:14,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759911533] [2022-04-06 08:39:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:14,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:14,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:14,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759911533] [2022-04-06 08:39:14,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759911533] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:14,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:14,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:39:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813042546] [2022-04-06 08:39:14,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:14,602 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:39:14,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:14,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:39:14,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:14,603 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) [2022-04-06 08:39:16,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:16,894 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-04-06 08:39:16,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:39:16,894 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 [2022-04-06 08:39:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:16,896 INFO L225 Difference]: With dead ends: 226 [2022-04-06 08:39:16,896 INFO L226 Difference]: Without dead ends: 226 [2022-04-06 08:39:16,897 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:16,897 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 [2022-04-06 08:39:16,898 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] [2022-04-06 08:39:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-04-06 08:39:16,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-04-06 08:39:16,906 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) [2022-04-06 08:39:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-04-06 08:39:16,906 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-04-06 08:39:16,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:16,907 INFO L478 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-04-06 08:39:16,909 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) [2022-04-06 08:39:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-04-06 08:39:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-06 08:39:16,915 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:16,916 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] [2022-04-06 08:39:16,916 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 08:39:16,916 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:16,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:16,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1602004893, now seen corresponding path program 1 times [2022-04-06 08:39:16,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:16,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425076588] [2022-04-06 08:39:16,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:16,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:17,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:17,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425076588] [2022-04-06 08:39:17,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425076588] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:17,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:17,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:17,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595568166] [2022-04-06 08:39:17,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:17,071 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:17,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:17,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:17,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:17,072 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) [2022-04-06 08:39:19,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:19,468 INFO L93 Difference]: Finished difference Result 261 states and 382 transitions. [2022-04-06 08:39:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:19,469 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 [2022-04-06 08:39:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:19,470 INFO L225 Difference]: With dead ends: 261 [2022-04-06 08:39:19,470 INFO L226 Difference]: Without dead ends: 261 [2022-04-06 08:39:19,471 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:19,471 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 [2022-04-06 08:39:19,472 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] [2022-04-06 08:39:19,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-04-06 08:39:19,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 244. [2022-04-06 08:39:19,482 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) [2022-04-06 08:39:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 360 transitions. [2022-04-06 08:39:19,483 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 360 transitions. Word has length 60 [2022-04-06 08:39:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:19,484 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 360 transitions. [2022-04-06 08:39:19,484 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) [2022-04-06 08:39:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 360 transitions. [2022-04-06 08:39:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-06 08:39:19,485 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:19,485 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] [2022-04-06 08:39:19,485 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 08:39:19,485 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:19,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:19,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1286715183, now seen corresponding path program 2 times [2022-04-06 08:39:19,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:19,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558305942] [2022-04-06 08:39:19,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:19,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:19,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:19,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558305942] [2022-04-06 08:39:19,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558305942] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:19,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:19,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642981850] [2022-04-06 08:39:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:19,637 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:19,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:19,638 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) [2022-04-06 08:39:21,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:22,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:22,008 INFO L93 Difference]: Finished difference Result 260 states and 380 transitions. [2022-04-06 08:39:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:22,008 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 [2022-04-06 08:39:22,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:22,010 INFO L225 Difference]: With dead ends: 260 [2022-04-06 08:39:22,010 INFO L226 Difference]: Without dead ends: 260 [2022-04-06 08:39:22,010 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:22,011 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 [2022-04-06 08:39:22,011 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] [2022-04-06 08:39:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-04-06 08:39:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 244. [2022-04-06 08:39:22,019 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) [2022-04-06 08:39:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 359 transitions. [2022-04-06 08:39:22,020 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 359 transitions. Word has length 75 [2022-04-06 08:39:22,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:22,020 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 359 transitions. [2022-04-06 08:39:22,020 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) [2022-04-06 08:39:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2022-04-06 08:39:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-06 08:39:22,021 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:22,021 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] [2022-04-06 08:39:22,021 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 08:39:22,022 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:22,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:22,022 INFO L85 PathProgramCache]: Analyzing trace with hash -372588721, now seen corresponding path program 1 times [2022-04-06 08:39:22,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:22,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833709325] [2022-04-06 08:39:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:22,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:22,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833709325] [2022-04-06 08:39:22,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833709325] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:22,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:22,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:22,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055480905] [2022-04-06 08:39:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:22,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:22,162 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) [2022-04-06 08:39:24,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:24,537 INFO L93 Difference]: Finished difference Result 429 states and 634 transitions. [2022-04-06 08:39:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:24,538 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 [2022-04-06 08:39:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:24,540 INFO L225 Difference]: With dead ends: 429 [2022-04-06 08:39:24,540 INFO L226 Difference]: Without dead ends: 429 [2022-04-06 08:39:24,540 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:24,541 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 120 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-04-06 08:39:24,541 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] [2022-04-06 08:39:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-04-06 08:39:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 268. [2022-04-06 08:39:24,548 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) [2022-04-06 08:39:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 394 transitions. [2022-04-06 08:39:24,549 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 394 transitions. Word has length 75 [2022-04-06 08:39:24,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:24,549 INFO L478 AbstractCegarLoop]: Abstraction has 268 states and 394 transitions. [2022-04-06 08:39:24,549 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) [2022-04-06 08:39:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 394 transitions. [2022-04-06 08:39:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-04-06 08:39:24,550 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:24,550 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] [2022-04-06 08:39:24,550 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 08:39:24,551 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:24,558 INFO L85 PathProgramCache]: Analyzing trace with hash -295589606, now seen corresponding path program 1 times [2022-04-06 08:39:24,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:24,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037975835] [2022-04-06 08:39:24,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:24,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:24,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:24,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037975835] [2022-04-06 08:39:24,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037975835] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:24,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:24,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:24,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533518687] [2022-04-06 08:39:24,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:24,754 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:24,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:24,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:24,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:24,755 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) [2022-04-06 08:39:26,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:27,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:27,150 INFO L93 Difference]: Finished difference Result 429 states and 631 transitions. [2022-04-06 08:39:27,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:27,151 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 [2022-04-06 08:39:27,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:27,152 INFO L225 Difference]: With dead ends: 429 [2022-04-06 08:39:27,152 INFO L226 Difference]: Without dead ends: 429 [2022-04-06 08:39:27,153 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:27,153 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:27,154 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 306 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-04-06 08:39:27,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 270. [2022-04-06 08:39:27,160 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) [2022-04-06 08:39:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 395 transitions. [2022-04-06 08:39:27,161 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 395 transitions. Word has length 76 [2022-04-06 08:39:27,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:27,161 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 395 transitions. [2022-04-06 08:39:27,161 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) [2022-04-06 08:39:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 395 transitions. [2022-04-06 08:39:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-04-06 08:39:27,162 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:27,162 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] [2022-04-06 08:39:27,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 08:39:27,163 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:27,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:27,163 INFO L85 PathProgramCache]: Analyzing trace with hash -800384589, now seen corresponding path program 1 times [2022-04-06 08:39:27,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:27,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740057491] [2022-04-06 08:39:27,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:27,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:27,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740057491] [2022-04-06 08:39:27,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740057491] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:27,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:27,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:27,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698306230] [2022-04-06 08:39:27,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:27,319 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:27,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:27,320 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) [2022-04-06 08:39:29,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:29,626 INFO L93 Difference]: Finished difference Result 286 states and 415 transitions. [2022-04-06 08:39:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:29,626 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 [2022-04-06 08:39:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:29,627 INFO L225 Difference]: With dead ends: 286 [2022-04-06 08:39:29,627 INFO L226 Difference]: Without dead ends: 286 [2022-04-06 08:39:29,628 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:29,628 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 31 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:29,628 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 484 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:39:29,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-04-06 08:39:29,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2022-04-06 08:39:29,632 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) [2022-04-06 08:39:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 394 transitions. [2022-04-06 08:39:29,633 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 394 transitions. Word has length 77 [2022-04-06 08:39:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:29,633 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 394 transitions. [2022-04-06 08:39:29,633 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) [2022-04-06 08:39:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 394 transitions. [2022-04-06 08:39:29,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-06 08:39:29,634 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:29,634 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] [2022-04-06 08:39:29,634 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 08:39:29,634 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:29,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1411914628, now seen corresponding path program 1 times [2022-04-06 08:39:29,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:29,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145247010] [2022-04-06 08:39:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:29,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-04-06 08:39:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:29,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145247010] [2022-04-06 08:39:29,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145247010] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:29,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:29,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:39:29,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020312338] [2022-04-06 08:39:29,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:29,805 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:39:29,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:29,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:39:29,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:29,805 INFO L87 Difference]: Start difference. First operand 270 states and 394 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) [2022-04-06 08:39:31,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:32,233 INFO L93 Difference]: Finished difference Result 405 states and 591 transitions. [2022-04-06 08:39:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:39:32,233 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 [2022-04-06 08:39:32,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:32,235 INFO L225 Difference]: With dead ends: 405 [2022-04-06 08:39:32,235 INFO L226 Difference]: Without dead ends: 405 [2022-04-06 08:39:32,235 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:32,236 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-04-06 08:39:32,236 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] [2022-04-06 08:39:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-04-06 08:39:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2022-04-06 08:39:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 400 states have (on average 1.4675) internal successors, (587), 400 states have internal predecessors, (587), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 591 transitions. [2022-04-06 08:39:32,244 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 591 transitions. Word has length 78 [2022-04-06 08:39:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:32,245 INFO L478 AbstractCegarLoop]: Abstraction has 405 states and 591 transitions. [2022-04-06 08:39:32,245 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) [2022-04-06 08:39:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 591 transitions. [2022-04-06 08:39:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-06 08:39:32,246 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:32,246 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] [2022-04-06 08:39:32,246 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 08:39:32,246 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:32,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1442934435, now seen corresponding path program 1 times [2022-04-06 08:39:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:32,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243297822] [2022-04-06 08:39:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:32,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 08:39:32,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:32,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243297822] [2022-04-06 08:39:32,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243297822] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:32,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:32,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:39:32,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459445052] [2022-04-06 08:39:32,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:32,374 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:39:32,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:32,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:39:32,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:32,374 INFO L87 Difference]: Start difference. First operand 405 states and 591 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) [2022-04-06 08:39:34,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:34,785 INFO L93 Difference]: Finished difference Result 538 states and 785 transitions. [2022-04-06 08:39:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:39:34,786 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 [2022-04-06 08:39:34,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:34,787 INFO L225 Difference]: With dead ends: 538 [2022-04-06 08:39:34,788 INFO L226 Difference]: Without dead ends: 538 [2022-04-06 08:39:34,788 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:34,788 INFO L913 BasicCegarLoop]: 312 mSDtfsCounter, 132 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:34,788 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 476 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:34,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-04-06 08:39:34,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2022-04-06 08:39:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 533 states have (on average 1.4652908067542214) internal successors, (781), 533 states have internal predecessors, (781), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 785 transitions. [2022-04-06 08:39:34,796 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 785 transitions. Word has length 78 [2022-04-06 08:39:34,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:34,797 INFO L478 AbstractCegarLoop]: Abstraction has 538 states and 785 transitions. [2022-04-06 08:39:34,797 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) [2022-04-06 08:39:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 785 transitions. [2022-04-06 08:39:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-06 08:39:34,798 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:34,798 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] [2022-04-06 08:39:34,798 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 08:39:34,798 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:34,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:34,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1560572353, now seen corresponding path program 1 times [2022-04-06 08:39:34,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:34,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299655224] [2022-04-06 08:39:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-06 08:39:34,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:34,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299655224] [2022-04-06 08:39:34,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299655224] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:34,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:34,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:39:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597342529] [2022-04-06 08:39:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:34,967 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:39:34,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:39:34,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:34,968 INFO L87 Difference]: Start difference. First operand 538 states and 785 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) [2022-04-06 08:39:36,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:37,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:37,339 INFO L93 Difference]: Finished difference Result 672 states and 981 transitions. [2022-04-06 08:39:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:39:37,339 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 [2022-04-06 08:39:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:37,341 INFO L225 Difference]: With dead ends: 672 [2022-04-06 08:39:37,342 INFO L226 Difference]: Without dead ends: 672 [2022-04-06 08:39:37,342 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:37,342 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 [2022-04-06 08:39:37,342 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] [2022-04-06 08:39:37,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-04-06 08:39:37,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2022-04-06 08:39:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 667 states have (on average 1.464767616191904) internal successors, (977), 667 states have internal predecessors, (977), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 981 transitions. [2022-04-06 08:39:37,353 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 981 transitions. Word has length 98 [2022-04-06 08:39:37,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:37,353 INFO L478 AbstractCegarLoop]: Abstraction has 672 states and 981 transitions. [2022-04-06 08:39:37,354 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) [2022-04-06 08:39:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 981 transitions. [2022-04-06 08:39:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-04-06 08:39:37,355 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:37,355 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] [2022-04-06 08:39:37,355 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 08:39:37,355 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:37,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:37,356 INFO L85 PathProgramCache]: Analyzing trace with hash 951047844, now seen corresponding path program 1 times [2022-04-06 08:39:37,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:37,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683833215] [2022-04-06 08:39:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:37,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:37,511 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-06 08:39:37,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:37,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683833215] [2022-04-06 08:39:37,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683833215] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:37,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:37,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:39:37,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714937292] [2022-04-06 08:39:37,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:37,512 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:39:37,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:37,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:39:37,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:37,513 INFO L87 Difference]: Start difference. First operand 672 states and 981 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:39,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:39,899 INFO L93 Difference]: Finished difference Result 669 states and 971 transitions. [2022-04-06 08:39:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:39:39,899 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 [2022-04-06 08:39:39,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:39,901 INFO L225 Difference]: With dead ends: 669 [2022-04-06 08:39:39,901 INFO L226 Difference]: Without dead ends: 669 [2022-04-06 08:39:39,902 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:39:39,902 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 128 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:39,902 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 478 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 337 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:39,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2022-04-06 08:39:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2022-04-06 08:39:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 664 states have (on average 1.4563253012048192) internal successors, (967), 664 states have internal predecessors, (967), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 971 transitions. [2022-04-06 08:39:39,912 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 971 transitions. Word has length 119 [2022-04-06 08:39:39,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:39,912 INFO L478 AbstractCegarLoop]: Abstraction has 669 states and 971 transitions. [2022-04-06 08:39:39,912 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 971 transitions. [2022-04-06 08:39:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-04-06 08:39:39,915 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:39,915 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, 1, 1] [2022-04-06 08:39:39,915 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 08:39:39,915 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:39,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash -840493056, now seen corresponding path program 1 times [2022-04-06 08:39:39,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:39,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830323289] [2022-04-06 08:39:39,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:39,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-04-06 08:39:40,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:40,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830323289] [2022-04-06 08:39:40,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830323289] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:40,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:40,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:40,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375486568] [2022-04-06 08:39:40,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:40,107 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:40,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:40,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:40,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:40,108 INFO L87 Difference]: Start difference. First operand 669 states and 971 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:42,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:42,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:42,500 INFO L93 Difference]: Finished difference Result 1115 states and 1613 transitions. [2022-04-06 08:39:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:42,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2022-04-06 08:39:42,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:42,504 INFO L225 Difference]: With dead ends: 1115 [2022-04-06 08:39:42,504 INFO L226 Difference]: Without dead ends: 1115 [2022-04-06 08:39:42,504 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:42,504 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 110 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:42,505 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 283 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:42,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-04-06 08:39:42,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 760. [2022-04-06 08:39:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 755 states have (on average 1.4728476821192054) internal successors, (1112), 755 states have internal predecessors, (1112), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1116 transitions. [2022-04-06 08:39:42,518 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1116 transitions. Word has length 121 [2022-04-06 08:39:42,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:42,518 INFO L478 AbstractCegarLoop]: Abstraction has 760 states and 1116 transitions. [2022-04-06 08:39:42,518 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1116 transitions. [2022-04-06 08:39:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-04-06 08:39:42,520 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:42,520 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, 1, 1] [2022-04-06 08:39:42,520 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 08:39:42,520 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:42,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1448569919, now seen corresponding path program 1 times [2022-04-06 08:39:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:42,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003106522] [2022-04-06 08:39:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-06 08:39:42,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:42,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003106522] [2022-04-06 08:39:42,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003106522] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:42,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:42,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:42,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642548257] [2022-04-06 08:39:42,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:42,677 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:42,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:42,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:42,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:42,678 INFO L87 Difference]: Start difference. First operand 760 states and 1116 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:44,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:45,082 INFO L93 Difference]: Finished difference Result 966 states and 1397 transitions. [2022-04-06 08:39:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:45,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2022-04-06 08:39:45,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:45,085 INFO L225 Difference]: With dead ends: 966 [2022-04-06 08:39:45,085 INFO L226 Difference]: Without dead ends: 966 [2022-04-06 08:39:45,085 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:45,086 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 43 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:45,086 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 516 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 407 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-04-06 08:39:45,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 856. [2022-04-06 08:39:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 851 states have (on average 1.490011750881316) internal successors, (1268), 851 states have internal predecessors, (1268), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1272 transitions. [2022-04-06 08:39:45,099 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1272 transitions. Word has length 121 [2022-04-06 08:39:45,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:45,100 INFO L478 AbstractCegarLoop]: Abstraction has 856 states and 1272 transitions. [2022-04-06 08:39:45,100 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1272 transitions. [2022-04-06 08:39:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-04-06 08:39:45,101 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:45,102 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 5, 5, 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] [2022-04-06 08:39:45,102 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 08:39:45,102 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:45,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1823323197, now seen corresponding path program 2 times [2022-04-06 08:39:45,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:45,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178823108] [2022-04-06 08:39:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-06 08:39:45,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:45,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178823108] [2022-04-06 08:39:45,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178823108] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:45,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:45,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:45,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959222199] [2022-04-06 08:39:45,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:45,327 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:45,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:45,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:45,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:45,328 INFO L87 Difference]: Start difference. First operand 856 states and 1272 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:47,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:47,683 INFO L93 Difference]: Finished difference Result 1234 states and 1807 transitions. [2022-04-06 08:39:47,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:47,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 136 [2022-04-06 08:39:47,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:47,687 INFO L225 Difference]: With dead ends: 1234 [2022-04-06 08:39:47,687 INFO L226 Difference]: Without dead ends: 1234 [2022-04-06 08:39:47,687 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:47,688 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 110 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:47,688 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 299 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 380 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-06 08:39:47,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-04-06 08:39:47,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 856. [2022-04-06 08:39:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 851 states have (on average 1.4747356051703877) internal successors, (1255), 851 states have internal predecessors, (1255), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1259 transitions. [2022-04-06 08:39:47,702 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1259 transitions. Word has length 136 [2022-04-06 08:39:47,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:47,702 INFO L478 AbstractCegarLoop]: Abstraction has 856 states and 1259 transitions. [2022-04-06 08:39:47,703 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:47,703 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1259 transitions. [2022-04-06 08:39:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-04-06 08:39:47,704 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:47,704 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 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] [2022-04-06 08:39:47,705 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 08:39:47,705 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:47,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:47,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2071101255, now seen corresponding path program 1 times [2022-04-06 08:39:47,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:47,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557049174] [2022-04-06 08:39:47,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:47,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-06 08:39:47,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:47,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557049174] [2022-04-06 08:39:47,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557049174] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:39:47,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:39:47,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:39:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479019697] [2022-04-06 08:39:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:39:47,859 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:39:47,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:39:47,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:39:47,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:39:47,859 INFO L87 Difference]: Start difference. First operand 856 states and 1259 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:49,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:39:50,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:39:50,289 INFO L93 Difference]: Finished difference Result 962 states and 1376 transitions. [2022-04-06 08:39:50,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:39:50,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2022-04-06 08:39:50,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:39:50,292 INFO L225 Difference]: With dead ends: 962 [2022-04-06 08:39:50,292 INFO L226 Difference]: Without dead ends: 962 [2022-04-06 08:39:50,293 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:39:50,293 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 51 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:39:50,293 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 514 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 399 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:39:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-04-06 08:39:50,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 856. [2022-04-06 08:39:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 851 states have (on average 1.4700352526439482) internal successors, (1251), 851 states have internal predecessors, (1251), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1255 transitions. [2022-04-06 08:39:50,306 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1255 transitions. Word has length 138 [2022-04-06 08:39:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:39:50,306 INFO L478 AbstractCegarLoop]: Abstraction has 856 states and 1255 transitions. [2022-04-06 08:39:50,306 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:39:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1255 transitions. [2022-04-06 08:39:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-04-06 08:39:50,308 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:39:50,308 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:39:50,308 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 08:39:50,308 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:39:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:39:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1142128455, now seen corresponding path program 1 times [2022-04-06 08:39:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:39:50,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149736841] [2022-04-06 08:39:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:39:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:39:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 157 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-04-06 08:39:50,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:39:50,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149736841] [2022-04-06 08:39:50,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149736841] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:39:50,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35798532] [2022-04-06 08:39:50,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:39:50,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:39:50,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:39:50,466 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) [2022-04-06 08:39:50,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 08:39:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:39:51,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-06 08:39:51,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:39:51,242 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-04-06 08:39:51,242 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 [2022-04-06 08:39:51,250 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 [2022-04-06 08:39:51,258 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 [2022-04-06 08:39:51,277 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 [2022-04-06 08:39:51,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-04-06 08:39:51,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3